Meet the Speakers

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Note: In order to conserve paper, printed agendas, presentation descriptions, and speaker bios will not be provided at the training.  However, mounted posters of the agenda will be available.  We encourage you to go green and access this information via this website.  If you plan to print these documents, we recommend that you print double-sided to reduce paper use. 


Ali Adams

California Air Resources Board

Alicia.Adams@arb.ca.gov

Ali Adams is a PM2.5 Laboratory Analysts with CARB's Monitoring and Laboratory Division (MLD) in Sacramento, California. The MLD PM2.5 lab analysts handle more than 16,000 weighing's per year for 32 monitoring sites, and support periodic PM2.5 research projects and sister laboratories in the State. She has been actively involved in CARB Technical System Audits, and ongoing improvements to the PM2.5 program and laboratory processes.

Craig Anderson

California Air Resources Board

Craig.Anderson@arb.ca.gov

Craig Anderson is an Air Pollution Specialist in CARB’s Air Quality Analysis Section and is currently working on monitoring network design and assessment, data certification, federal ozone designations, and analysis projects supporting State Implementation Plans.  Craig has over 20 years of air quality experience in a wide range of areas, including operational ozone and PM2.5 forecasting; developing and managing real-time air quality information systems; performing exceptional event analyses; permitting for stationary sources; and preparing environmental impact reports.  Craig has a B.S. in Atmospheric Science from U.C. Davis and a M.S. in Atmospheric Science from Rutgers University.

Aman Bains

California Air Resources Board

aman.bains@arb.ca.gov

Aman Bains has over seven years of experience with ARB’s Monitoring and Laboratory Division. Aman is currently an Air Resources Engineer and works for the Quality Management Section. His primary responsibilities include serving as an air monitoring liaison for local air districts and developing and reviewing quality management documents.

Yushuo Chang

Placer County Air Pollution Control District

ychang@placer.ca.gov

Yushuo Chang is the Planning and Monitoring Manager at Placer County Air Pollution Control District. Mr. Chang supervises the District’s tasks on air quality plan development, incentive programs, the smoke management program, CEQA review program, and the air monitoring network. He has participated with CARB’s Roseville Rail Yard Study on potential relative risk from diesel locomotive emissions and was the Rail Yard air monitoring project manager. In addition to his normal assignments, Yushuo is responsible for the District’s AB 617 program. Prior to working with the agency, Yushuo received his Doctor of Philosophy degree in Environmental Engineering from University of Southern California.

Simon Cheung

California Air Resources Board

Simon.Cheung@arb.ca.gov

Simon Cheung is one of the air quality monitoring instrument specialists with CARB’s Monitoring and Laboratory Division in Sacramento, California. He has been actively involved in recent development to continuous PM instruments for the regulatory PM monitoring program. In the Operation and Data Support section, he is also responsible for administering the AQ data management system that reports real-time and for-record data from the CARB’s ambient air monitoring network. Simon is a Professional Engineer in the state of California, with a bachelor’s degree in Mechanical Engineering from UC Berkeley and a master’s degree in Mechanical Engineering from CSU Sacramento.

Joel Cordes

Santa Barbara County Air Pollution Control District

CordesJ@sbcapcd.org

Joel Craig

Independent Air Quality Consultant

craigairmonitoring@att.net

Joel Craig has almost 40 years of experience in ambient air and meteorological monitoring. Mr. Craig has managed monitoring efforts for local air pollution control districts in California as well as air monitoring projects as a part of large international consulting firms. Mr. Craig has been working as an independent consultant for the past 8 years, working for local air districts and Tribal environmental departments in California.

Al Dietrich

South Coast Air Quality Management District

ADIETRICH@scaqmd.gov

Albert Dietrich is the Principal Air Quality Instrument Specialist responsible for Atmospheric Measurements Operations within the Science & Technology Advancement Division. At this time he oversees a network of over 35 ambient air monitoring stations and is responsible for organizing the day to day operations of this network. Al has been with SCAQMD for 33 years and has spent time in the Special Monitoring group, the Support/Repair section, Air Monitoring Operations and the Data Validation Sections. Al participated in implementation of the NATTS, NCORE, and Near-Road monitoring networks.

Kevin Durkee

South Coast Air Quality Management District

kdurkee@aqmd.gov

Kevin Durkee has been with South Coast AQMD for more than 29 years, first as an Air Quality Specialist, then as Senior Meteorologist for 10 years before becoming Quality Assurance Manager in late 2017. His experience forecasting, analyzing and modeling air pollution brings a broad understanding of end-user data needs to the Monitoring & Analysis Division. Kevin has a B.S. in Atmospheric Sciences from UCLA. While the QA position brings some new challenges, Kevin welcomes the opportunity to work with the many dedicated people in the air quality measurements community.

Brandon Feenstra

South Coast Air Quality Management District

bfeenstra@aqmd.gov

Brandon Feenstra is an Air Quality Specialist at South Coast AQMD. Brandon has been working in the Air Quality Sensor Performance Evaluation Center (AQ-SPEC) since 2014. He is responsible for the field deployment aspect of AQ-SPEC evaluations and for designing deployable sensor solutions that can be incorporated into SCAQMD’s ambient air monitoring network. Mr. Feenstra received his Bachelor of Science degree in Chemistry, his Master of Public Administration, and his Master of Science in Earth & Environmental Sciences degrees from California State University, San Bernardino. Brandon is currently a PhD student at the University of CA, Riverside in Chemical and Environmental Engineering with his research focusing on low-cost air sensing solutions.

Michael Flagg

United States Environmental Protection Agency

Flagg.MichaelA@epa.gov

Michael Flagg has been working on the Air Monitoring Team in the Air Quality Analysis Office at EPA Region 9 for 10 years and has focused on a number of different air quality issues throughout the region. Most recently, Michael is the geographic lead for Arizona DEQ and Imperial County APCD and has been focusing on Ozone issues.

Kathy Gill

California Air Resources Board

kathleen.gill@arb.ca.gov

Kathy Gill graduated from Wayne State University in Detroit, Michigan with a degree in biology.  She began working at CARB in 2001 in the Operations Planning and Assessment Branch of the Monitoring and Laboratory Division planning special monitoring projects for SB25, the Children’s Environmental Health Protection Program.  She moved on to manage the Organics Laboratory and is now Chief of the Air Quality Surveillance Branch.  Her responsibilities include overseeing the operation of CARB’s ambient air monitoring network throughout California.

Emily Gorrie

California Air Resources Board

emily.gorrie@arb.ca.gov

Emily is an Air Pollution Specialist in the Consumer Products and Air Quality Assessment Branch of the Air Quality Planning and Science Division. The section is responsible for maintaining aerometric data and statistics and making these data available online through CARB’s ADAM and AQMIS websites. Emily has worked on the ADAM and AQMIS databases and webpages for nearly 3 years, and is helping create CARB’s new AQ-View community air quality monitoring data portal.

Dustin Goto

California Air Resources Board

dustin.goto@arb.ca.gov

Dustin Goto graduated from California State University, Sacramento with a Bachelor of Arts in Geography and Computer Cartography. Dustin began his career with the California Air Resources Board (CARB) in 2005, working in the Quality Assurance Section supporting the performance audit program. He currently works in the Air Monitoring North Section where his primary responsibilities include field calibrations at CARB and district monitoring stations, station operation, and second level review of monitoring data. Dustin has also served on the Cal/EPA Enforcement Training Team and has presented at the Air and Waste Management Association’s Air Quality Measurements Methods and Technology conference on greenhouse gas monitoring.

Mallory Ham

Ventura County Air Pollution Control District

mallory@vcapcd.org

Mallory Ham is the manager of the Monitoring Division at the Ventura County Air Pollution Control District. Mallory began his career with the district as an Air Pollution Meteorologist. In addition to his years forecasting air quality and overseeing meteorological operations, he has worked in data quality assurance, ambient air monitoring operations, data acquisition systems, agricultural burning, and instrument repair. He earned his bachelor’s degree in Atmospheric Science from UCLA and has worked for the District since 1997.

Mike Hamdan

South Coast Air Quality Management District

mhamdan@aqmd.gov

Mike Hamdan is a Senior Air Quality Instrument Specialist in the Quality Assurance branch at the South Coast Air Quality Management District. He has over 18 years of experience at the agency. In addition to his time in quality assurance, Mike has worked in the Data Validation group which handled final data review and submittal to AQS. As part of his current position his primary responsibility is in conducting Performance Evaluation audits for gaseous instruments at over 30 air monitoring stations in the South Coast Air Basin. Mike earned a Bachelor’s degree in engineering at Cal State Long Beach.

Kate Hoag

Bay Area Air Quality Management District

khoag@baaqmd.gov

Kate Hoag has been measuring and analyzing air quality or pollutant exposure data since 1995. She is currently an Assistant Manager at the Bay Area AQMD where she oversees a section responsible for providing technical assistance and air quality data analysis to a variety of programs in the agency including community health protection, source test, rulemaking, and enforcement. She also served as the agency’s Quality Assurance Officer for over three years. Prior to joining the Air District in 2015, she worked at Region 9 EPA and the School of Public Health at UNC-Chapel Hill. Kate earned a MS in Atmospheric Science from Colorado State University and a Ph.D. in Earth and Planetary Science from UC Berkeley.

Leena Khangura

California Air Resources Board

Harleen.Khangura@arb.ca.gov

Ms. Khangura is an Air Pollution Specialist with the Monitoring and Laboratory Division at CARB. Her work in quality assurance includes four years in the private sector; and ten years with CARB in the Quality Assurance Section. She obtained a Bachelors degree in Biological Sciences from California State University, Chico. In the past ten years, Ms. Khangura has been responsible for conducting thousands of performance evaluations for criteria pollutants at hundreds of air monitoring sites throughout the State. Additionally, for the last three years she has been a member of CARB’s technical systems audit (TSA) team. This team conducts comprehensive audits for those Districts within CARB’s Primary Quality Assurance Organization, and evaluations the District’s entire air monitoring program.

Charley Knoderer

Bay Area Air Quality Management District

cknoderer@baaqmd.gov

Charley Knoderer is the manager of the Meteorology section at the Bay Area Air Quality Management District and has been with the Air District since 2014. Prior to joining the Air District, he worked at Sonoma Technology, Inc. (STI) in Petaluma, California. Prior to joining STI in 2000, Charley obtaining his M.S. in Atmospheric Science from the University of Wisconsin, Madison, and his B.S. in Atmospheric Science from the University of California, Davis. Charley obtained his Certified Consulting Meteorologist certification from the American Meteorological Society in 2014.

Randy Lam

South Coast Air Quality Management District

RLAM1@aqmd.gov

Randy Lam is a station operator in atmospheric measurements for the South Coast Air Quality Management District. Prior to joining the SCAQMD he was a high school science teacher in Biology, Earth Science, Forensics and Oceanography. Randy graduated with a Bachelor of Science in Biology and a Master of Arts in Teaching from the University of California, Irvine.

Leah Mathews

California Air Resources Board

Leah.Mathews@arb.ca.gov

Leah Mathews earned her bachelor’s degree in Physics from the University of Pacific and her master’s degree in Civil Engineering from the University of Southampton, United Kingdom. She began her career with CARB working in the Laboratory Support Section supporting ambient air monitoring programs throughout the state, and currently works in CARB’s Quality Management Section. Her primary responsibilities include writing and reviewing quality management documents, providing quality assurance/quality control support, and performing various liaison activities between CARB and local air districts.

Joseph McCormack

California Air Resources Board

joseph.mccormack@arb.ca.gov

Joseph McCormack is an Air Pollution Specialist with the California Air Resources Board’s Incident Air Monitoring Section. Joseph’s responsibilities include planning, coordinating and preparing for emergency air monitoring incidents. For the last seven years, Joseph has been responsible for conducting air quality monitoring campaigns to measure impacts from wildfire, and is currently developing a new statewide prescribed fire air monitoring program. Joseph received his Bachelors of Science Degree in Biochemistry with a concentration Chemistry from the University of California, Riverside.

Andrea McStocker

California Air Resources Board

Andrea.McStocker@arb.ca.gov

Andrea is an Air Pollution Specialist in the Quality Management Section of CARB. As a PQAO liaison, she is tasked with overseeing quality management activities throughout the PQAO. In addition to her liaison duties, Andrea manages CARB’s Quality Assurance webpage. She has a Master's degree in Environmental Policy from American University in Washington, D.C.

David Medina

San Diego County Air Pollution Control District

David.Medina@sdcounty.ca.gov

David Medina is an Associate Air Pollution Chemist with the San Diego Air Pollution Control District. He has been with the San Diego Air Pollution Control District since 2012 and works in the Monitoring Division. David is currently overseeing the PAMS VOC program. He has also been involved in various programs within the Monitoring Division including the calibration of PM 2.5 samplers and special projects. He received a Ph. D. in Chemistry from the University of California, Riverside and a B.S. in Chemistry from the University of California, Irvine.

Mike Miguel

California Air Resources Board

michael.miguel@arb.ca.gov

As Assistant Division Chief for the California Air Resources Board’s Monitoring and Laboratory Division, Michael is responsible for overseeing the agency’s ambient air monitoring program. Previously, he served as Chief of the Quality Management Branch where he directed the activities of the Primary Quality Assurance Organization. Michael has also managed the successful implementation of several regulations, including: Small Off-Road Engines, Off-Highway Recreational Vehicles, Portable Fuel Containers, and Drayage Trucks. Michael graduated from Cal Poly, San Luis Obispo and has worked for the Air Resources Board for over 30 years.

LaMar Mitchell

California Air Resources Board

LaMar.Mitchell@arb.ca.gov

LaMar Mitchell is an air pollution specialist with the Quality Assurance Section of CARB. He is part of a team of auditors that conduct performance evaluations of air districts that are included the CARB PQAO. LaMar brings to us his 29 years of experience in air pollution control from his previous 10 years work with the Sacramento Metropolitan AQMD and 19 years with the Compliance Division and Monitoring and Laboratory Division of CARB. LaMar holds an AS in Math and Physical Science from American River College in Sacramento and a BS in Mechanical Engineering from California State University, Sacramento.

Kimberly Mitchell

Great Basin Unified Air Pollution Control District

kmitchell@gbuapcd.org

Kimberly Mitchell is a research and systems analyst with Great Basin Unified Air Pollution Control District. She is responsible for data acquisition and plays an integral role in the District's data validation process. Prior to joining Great Basin Unified APCD she spent over a decade managing and validating large datasets for the U.S. Forest Service.

Theresa Najita

California Air Resources Board

theresa.najita@arb.ca.gov

Theresa Najita, a meteorologist by training, has been with the California Air Resources Board for almost 20 years. Currently an Air Pollution Specialist in the Air Quality Planning and Science Division, her work focuses on area designations, exceptional event analysis, and State and federal planning efforts. She also works closely with CARB’s Monitoring and Laboratory Division on monitoring site placement, retention, and removal.

Olga Pikelnaya

South Coast Air Quality Management District

opikelnaya@aqmd.gov

Dr. Pikelnaya is a Program Supervisor at the South Coast Air Quality Management District, working on developing South Coast AQMD’s optical remote sensing (ORS) program and implementation of Refinery and Community Air Monitoring (Rule 1180). Prior to joining South Coast AQMD, Olga worked as a post-doctoral researcher at University of California Los Angeles, where she developed and deployed ORS instrumentation for monitoring of refinery emissions. Dr. Pikelnaya earned her Ph.D. in Atmospheric and Oceanic Sciences from UCLA. Her main research interests include implementing innovative instrumentation and measurements strategies for real-time emission monitoring and assessing the impact of industrial emissions on neighboring communities. 

Aaron Plasencia

California Air Resources Board

Aaron.Plasencia@arb.ca.gov

Aaron Plasencia is an Air Resources Engineer with the Monitoring and Laboratory Division at CARB. As part of the Quality Assurance Section he conducts performance evaluations of air monitoring sites for all air districts in California. Along with working in the field as an auditor, he also performs instrument certifications in the CARB Standards Lab. Aaron earned a Bachelor of Science degree in Aerospace Engineering from the California Polytechnic State University, San Luis Obispo. 

Patrick Rainey

California Air Resources Board

Patrick.Rainey@arb.ca.gov

Patrick Rainey is the manager of the Organics Laboratory Section and oversees the analysis of ambient air samples collected from air monitoring and sampling sites throughout the State for criteria, toxic, and potentially toxic air pollutants.  Previously, he was the manager of the Quality Management Section and has also worked in the Quality Assurance Section conducting performance audits of air monitoring stations. Prior to coming to CARB, Mr. Rainey worked at Test America, a commercial analytical laboratory as the Technical Director & Air Toxics Operations Manager, Department Manager-Air Toxics, and team leader/organics extraction group supervisor for a combined 18 years.  Mr. Rainey possesses a Bachelor of Science degree in Environmental Toxicology from University of California, Davis. 

Matt Razavi

California Air Resources Board

Matt.Razavi@arb.ca.gov

Matt Razavi earned his Bachelor’s degree in Electrical Engineering in 1997, and is close to completing a Master’s in Electrical Engineering at California State University, Sacramento. He has been an Instrument Technician at CARB’s Monitoring and Laboratory Division since 2016. He is responsible for the operation, maintenance, testing, troubleshooting and repair of complex electronic air quality/monitoring instrumentation in support of the CARB's ambient air monitoring network. Prior to joining CARB, Matt worked in the seismic and automation industry for 10 years performing instrumentation support.

Honza Rejmanek

California Air Resources Board

Honza.Rejmanek@arb.ca.gov

Honza Rejmanek is an Air Pollution Specialist in CARB's Quality Assurance Section. Honza received an MS in Atmospheric Science from UC Davis and a BA in Biology from UC Santa Cruz. Honza has experience in complex field atmospheric research including areas such as instrumentation design and testing, installation and maintenance of weather station networks in icy terrain, and biometeorological stations in rice fields and vineyards. He previously managed the UC Davis National Weather Service climate station. Honza also uses his weather acumen as an accomplished flight instructor and paraglider. He participated in five Red Bull X-Alps races, a 640-mile hike and paraglide feat from Austria to Monaco.

Brian Russell

Great Basin Unified Air Pollution Control District

brian@gbuapcd.org

Brian Russell is a Systems and Research Analyst with the Great Basin Unified Air Pollution Control District headquartered in Bishop, California. Brian has been with the District almost 10 years now and started as a field technician on the Owens Dry Lake Bed. Originally from Ann Arbor, Brian has a undergraduate degree in Electrical Engineering and a Masters degree in Space Engineering from the University of Michigan focusing on instrumentation for remote sensing. Brian is an open source software and hardware enthusiast and works primarily building IT systems for GBUAPCD using open source tools whenever possible.

Koki Shimohashi

California Air Resources Board

Koki.Shimohashi@arb.ca.gov

Koki Shimohashi is an Air Resources Engineer in the Monitoring and Laboratory Division. He currently works on sensor evaluation including monitoring system development and data analysis.

Reggie Smith

California Air Resources Board

reggie.smith@arb.ca.gov

Reggie Smith is the manager of the California Air Resources Board’s (CARB) Operations and Data Support Section. His section is responsible for administering the CARB’s air quality data management system which reports real-time and data for record from the CARB’s ambient air monitoring network. He graduated from the University of Maryland in 1987 with a bachelor’s of science degree in Physical Sciences and Meteorology. Reggie began his career with the CARB in 1993. Over the past 20 years he has been involved with many aspects of the CARB’s ambient air monitoring program.

Jeremy Smith

California Air Resources Board

Jeremy.Smith@arb.ca.gov

Jeremy Smith is a Staff Air Pollution Specialist at the California Air Resources Board (CARB) in the Monitoring and Laboratory Division. Jeremy’s work at CARB has included heavy-duty vehicle emissions testing, advanced measurement technology development, ambient air monitoring, and community air quality monitoring design. Prior to working at CARB, he investigated the secondary aerosol chemistry of biomass burning emissions, cloud and rainwater chemistry in polluted areas, and the chemistry of deep ocean sediment. Jeremy has a Ph.D. from UC Davis, a M.S from the University of North Carolina Wilmington, and a B.S from the University of South Carolina.

Louise Sorensen

California Air Resources Board

Louise.Sorensen@arb.ca.gov

Louise Sorensen is the Quality Assurance Officer at CARB’s Monitoring and Laboratory Division, Standards Laboratory in Sacramento, California. She ensures efficient operation and traceability to NIST through the data quality process and documentation. After spending over a decade working in air pollution research at University of California, Davis, Louise understands the importance of developing, maintaining and monitoring the performance of a data quality system to ensure compliance with regulations. She has a certificate of achievement from NIST in completion of Fundamentals of Metrology and ISO/IEC 17025. Louise holds a B.S. in Animal Science from the University of California, Davis.

Ken Stroud

California Air Resources Board

kenneth.stroud@arb.ca.gov

Ken Stroud is Chief of the Community Air Monitoring Branch, comprised of 4 sections: Community Air Monitoring North, Community Air Monitoring South, Incident Air Monitoring and Advanced Monitoring Techniques. Ken’s portfolio includes AB 617 work as well as SNAPS (Study of Neighborhood Air near Petroleum Sources), GHG monitoring, incident air monitoring and other community monitoring activities.

Eric Stevenson

Bay Area Air Quality Management District

EStevenson@baaqmd.gov

Eric Stevenson is a chemical engineer with over 25 years of experience in the environmental field.  He has designed remediation systems, performed air pollution emissions permitting, testing and monitoring and, as the current Director of Meteorology, Measurement and Rules at the Bay Area Air Quality Management District, manages the Air Monitoring, Laboratory, Source Test, Meteorology, Quality Assurance, Data Management and Rule Development programs.  He is a member of various committees and work groups dealing with air quality issues on a local, state and national level, including the National Association of Clean Air Agencies (NACAA) Air Monitoring Steering Committee, charged with interfacing with the U.S. EPA to develop monitoring rules and guidance.

Joe Tona

Tehama County Air Pollution Control District

jtona@tehcoapcd.net

Joe Tona is the Air Pollution Control Officer for the Tehama County Air Pollution Control District in Red Bluff California. He has a B.S. in Environmental Science from Humboldt State University. Before becoming APCO, Joe managed the operation and data collection of Tehama County’s air monitoring network. Joe has been with the APCD since 2013. Prior to working with the District, Joe worked in private industry as a Research Forester. He performed watershed studies using weather stations and radio communication equipment throughout northern California. 

Nathan Trevino

San Joaquin Valley Air Pollution Control District

Nathan.Trevino@valleyair.org

Nathan Trevino is currently the supervisor for the air monitoring program at the San Joaquin Valley APCD. Nathan has been in his current position for 8 years and has been with the District for 11 years. His primary responsibilities include the supervision of air monitoring staff and coordination of activities in support of 23 locations within the eight county air basin of the San Joaquin Valley.

Karl Tupper

San Luis Obispo County Air Pollution Control District

ktupper@co.slo.ca.us

Karl Tupper is an Air Quality Specialist with the San Luis Obispo County Air Pollution Control District where he has worked for the last eight years. He operates four air monitoring stations for the District, and also has a hand in various special projects and data analyses. Prior to the District, he conducted pesticide air monitoring studies for an environmental non-profit. He has a master's degree in Chemistry from UC Berkeley and a bachelor's degree from Yale.

Lilian Turcios

Northern Sonoma County Air Pollution Control District

Lilian.Turcios@sonoma-county.org

Lilian R. Turcios is an Air Quality Specialist for the Northern Sonoma County Air Pollution Control District where she oversees the air quality monitoring and data analysis. Ms. Turcios holds a BS in Environmental Health from Texas Southern University and an MS in Health Informatics from The University of Texas. She has been with The Mighty Northern since 2016, and began her career in air quality in 2014 as an Environmental Specialist for the Lincoln-Lancaster County Health Department in Lincoln, Nebraska, where she conducted enforcement and compliance work.

Dena Vallano

United States Environmental Protection Agency

Vallano.Dena@epa.gov

Dena Vallano is a Physical Scientist within EPA Region 9’s Air Quality Analysis Office. She currently specializes in PM2.5 and air sensors and is the geographic lead for ARB, San Joaquin Valley APCD, and San Luis Obispo County APCD. She has worked in EPA’s Office of Research and Development to advance federal partnerships related to technological innovation and next-generation air quality monitoring. She holds a Ph.D. in Ecology and Evolutionary Biology from Cornell University and a Bachelor of Science in Biology from Villanova University.

Elias Villa

California Air Resources Board

Elias.Villa@arb.ca.gov

Elias Villa earned a Bachelor of Science in Environmental Science and Management from the University of California, Davis. He began work for the California Air Resources Board (CARB) in 2014 within the Laboratory Support Section, supporting laboratory operations for the Northern Laboratory Branch. Now in the Inorganic Laboratory Section, Elias is the lead analyst for filter-based PM2.5 mass analysis.

Gwen Yoshimura

United States Environmental Protection Agency

Yoshimura.Gwen@epa.gov

Gwen Yoshimura has worked for the U.S. EPA since 2004. She started in EPA Region VII's air planning office, and joined the air monitoring team in EPA Region IV in 2009, and is now the manager of the Air Quality Analysis Office and has worked with agencies such as CARB, BAAQMD, Hawaii DOH, and Guam EPA. Gwen has a B.S. in Earth Systems from Stanford University.

Yunliang Zhao

California Air Resources Board

Yunliang.Zhao@arb.ca.gov

Yunliang Zhao is an Air Pollution Specialist in the Community Air Monitoring South Section. Yunliang received his Ph.D. from University of California, Berkeley and subsequently worked as a Postdoctoral fellow and research scientist at Carnegie Mellon University. He has published 25 peer-reviewed papers and recently published his research on secondary organic aerosol formation from gasoline vehicles in Proceedings of the National Academy of Science. Yunliang’s past research projects include the study of source apportionment of atmospheric organic particles and the characterization of gas-phase emissions from on-road vehicles and off-road engines. His expertise in instrumentation includes the introduction of a thermal desorption gas chromatography-mass spectrometry instrument for quantification of semi-volatile organic compounds.

Taylor Ziolkowski

Vendor EarthSoft

taylor.ziolkowski@earthsoft.com

Taylor Ziolkowski has a background in environmental science and geology. Prior to working at EarthSoft he managed environmental data and field activities for Department of Defense and US EPA remediation projects. Taylor works with EarthSoft’s diverse client base to automate environmental data workflows in the field, lab, and office. He helps government and industrial clients align their data quality, collection, reporting, and visualization objectives with the best EQuIS workflow to meet their needs.