Members of the Independent Emissions Market Advisory Committee

Meredith Fowlie, Chair

Professor, Department of Agricultural and Resource Economics, UC Berkeley

Meredith Fowlie was appointed to the IEMAC by Governor Edmund G. Brown Jr. in June 2018. Fowlie is a professor in the Department of Agricultural and Resource Economics at UC Berkeley. She is also a faculty director at UC Berkeley’s Energy Institute at Haas and co-directs the Energy and Environmental Economics group at the National Bureau of Economic Research. She earned a doctorate in Environmental and Resource Economics from UC Berkeley and a master’s degree in environmental economics from Cornell University.

Danny Cullenward, Vice-Chair

Senior Fellow, Kleinman Center for Energy Policy, University of Pennsylvania

Danny Cullenward was appointed to the IEMAC by Senate President Pro Tempore Kevin de León in September 2017. Cullenward is an economist and lawyer focused on the scientific integrity of climate policy. He is a Senior Fellow with the Kleinman Center for Energy Policy at the University of Pennsylvania and a Senior Fellow with the Institute for Responsible Carbon Removal at American University. Cullenward’s book, Making Climate Policy Work (with David G. Victor), shows how political forces make green industrial policy more effective than carbon pricing. He holds a Juris Doctor degree from Stanford Law School and a doctorate in Environment and Resources from Stanford University.

Joe Nation, Member

Professor of the Practice of Public Policy, Stanford University

Joe Nation was appointed to the IEMAC by Governor Gavin Newsom in April 2025. Nation is a Professor of the Practice of Public Policy at Stanford University. He also serves as a Grossman-Kennedy Fellow in Human Biology, teaching environmental and health policy. In 2023, he received the Phi Beta Kappa Undergraduate Teaching Award.

Nation earned his Ph.D. in Public Policy Analysis from the Pardee RAND Graduate School (PRGS) in 1989. He also has an MSFS from Georgetown’s School of Foreign Service, where he worked as an assistant to Madeline Albright and consulted for Kissinger Associates. He completed a post-doctor fellowship at Stanford’s Center for International Security and Arms Control (CISAC).

From 2000-2006, he represented Marin and Southern Sonoma Counties in the California State Assembly. He is the principal co-author of AB 32, California’s Global Warmings Solutions Act and the author of more than 50 other laws focused primarily on the environment, energy, and education.

Katelyn Roedner photo

Katelyn Roedner Sutter, Member

California State Director, Environmental Defense Fund 

Katelyn Roedner Sutter was appointed to the IEMAC by California Assembly Speaker Anthony Rendon in May 2021. Roedner is the California State Director at the Environmental Defense Fund. In addition to leading climate work, she leads regulatory and legislative issues for the fund across the West. Her focus is on advancing policies that establish and implement long-term greenhouse gas emission reductions and improve local air quality.  She holds a master’s degree in ethics and social theory from Graduate Theological Union in Berkeley, and a bachelor’s in international affairs from George Washington University.

Brian Holt, Member

Business Manager/ Financial Secretary of IBEW Local 428 

Brian Holt was appointed to the IEMAC by Governor Gavin Newsom in December 2022. Holt is the Business Manager/ Financial Secretary of IBEW Local 428, representing electrical construction and maintenance workers in Kern County, California. He is the current Chair of the Kern County Joint Apprenticeship and Training Trust, Vice President of the Kern Inyo and Mono Counties Building and Construction Trades Council, Civil Service Commissioner for the County of Kern, and member of the local Work Force Development Board. Holt has also served on the Public Safety and Vital Services Oversight Committee for the City of Bakersfield.

Brian Holt

Helen Kerstein, Observer 

Principal Fiscal & Policy Analyst, Legislative Analyst’s Office 

Helen Kerstein is a Principal Fiscal and Policy Analyst with the Legislative Analyst’s Office (LAO), a nonpartisan office that provides independent fiscal and policy information and advice to California’s Legislature. In that role, she focuses on energy, air quality, climate change, and transportation-related issues. Prior to joining the LAO, Ms. Kerstein served as a Management Analyst with the City of Culver City. She has also held various other government and private sector positions, including serving as a David Bohnett Mayoral Public Service Fellow, a California Assembly Fellow, an auditor with the California State Auditor, and a consultant with Navigant Consulting. Ms. Kerstein holds a Master in Public Policy from the University of California at Los Angeles and a Bachelor of Arts in Economics from Pomona College.