Staff

Beth Vaughan

Chief Executive Officer

Beth is CalCCA’s first Chief Executive Officer. She joined CalCCA in 2017 as the Executive Director and was named Chief Executive Officer in 2024. Beth oversees the association’s advocacy, policy, and communications efforts, coordinating a diverse and growing membership of community choice energy providers serving customers across California. She frequently presents CalCCA’s positions on various policy issues at the California Legislature and California Public Utilities Commission and is a regular speaker at energy industry events. Prior to joining CalCCA, Beth served as executive director of the California Cogeneration Council where she advocated for companies operating combined heat and power facilities. She has worked extensively in both the public and private energy sectors, consulting with government agencies, non-profits, and private sector interests on energy, climate, and environmental public policy issues. Beth served five years as senior advisor to environment and conservation cabinet ministers in the New Zealand parliament. She earned a Bachelor of Science degree from Queen’s University in Canada, and Master of Science from Victoria University of Wellington in New Zealand.

Evelyn Kahl

Chief Policy Officer and General Counsel

Evie joined CalCCA as general counsel in 2020. She first worked with CalCCA in 2017, representing the association in the CPUC’s Power Charge Indifference Adjustment (PCIA) rulemaking. She has also represented CalCCA in the Resource Adequacy (RA) and Integrated Resource Planning (IRP) proceedings and worked to support the association’s legislative program. She brings to the General Counsel role more than three decades’ experience representing energy industry clients, including Community Choice Aggregators (CCAs), large electricity and natural gas customers, and self-generation developers. Prior to joining CalCCA, Kahl was Shareholder in Buchalter’s San Francisco office and part of the firm’s Energy & Natural Resources Practice Group. Before joining Buchalter, she was a founding partner of Alcantar & Kahl LLP from 1998-2018. Kahl is a member of the Conference of California Public Utility Counsel, the Association of Women in Water, Energy, and Environment, and is a certified mediator. She earned her J.D. magna cum laude from the University of California, Hastings College of the Law and her B.A. magna cum laude from Concordia College.

Leora Broydo Vestel

Chief Experience Officer

As Chief Experience Officer (CXO), Leora oversees CalCCA’s communications, marketing, engagement and operations functions, focusing on enhancing the overall experience for members, employees, partners and other stakeholders, advancing innovative solutions to address the association’s day-to-day and longer-term needs. Leora joined CalCCA as Director of Communications in 2018 after a 20-plus-year career as a journalist covering energy, the environment, politics and culture for a number of publications including The New York Times and California Energy Markets. Leora is a proud CleanPowerSF “SuperGreen” customer and an avid windsurfer.

Leanne Bober

Director of Regulatory Affairs and Deputy General Counsel

Leanne joined CalCCA in 2021 and is now the Director of Regulatory Affairs and Deputy General Counsel. In this role, she oversees CalCCA’s regulatory policy strategy before all California and federal energy agencies. Leanne brings her experience as an energy attorney at Davis Wright Tremaine (DWT) in San Francisco, representing clients before the California Public Utilities Commission, Federal Energy Regulatory Commission, and federal courts. Prior to DWT, she practiced in Washington, D.C., in energy regulation and antitrust at Preston Gates & Ellis (now K & L Gates). Leanne also served as a law clerk for a federal judge at the United States Court of Federal Claims in Washington, D.C. She is a member of the Conference of Public Utility Counsel, the Energy Bar Association, and the Power Association of Northern California. Leanne earned her J.D. from The George Washington University Law School in Washington, D.C., and her B.A. in Political Science from the University of Colorado, Boulder.

Sean MacNeil

Director of Legislative Affairs

Sean is a public policy veteran with a strong background in energy, environmental, labor, and local government policies. He began his career as legislative aide for Assemblymember Helen Thomson, and subsequently served as chief of staff for the following California Senate and Assembly members: Patricia Wiggins, Noreen Evans, Michael Allen and, for the last six years, Richard Bloom. In Bloom’s office, Sean managed a staff of ten and served as liaison between Bloom and elected officials, lobbyists and advocacy groups.

Eric Little

Director of Market Design

Eric Little joined CalCCA as Director of Regulatory Affairs in 2021 and oversees the development, implementation, and management of CalCCA’s regulatory strategies. Eric brings to the role more than 20 years’ experience in the California electricity sector and is known for his effective coalition building and advocacy before the California Public Utilities Commission (CPUC), California Independent System Operator (CAISO), and Federal Energy Regulatory Commission (FERC). Prior to joining CalCCA, Eric held several positions of increasing responsibility at Southern California Edison including, most recently, Manager of CAISO and GHG Markets. Earlier in his career, Eric worked on energy procurement policy and compliance, transmission and distribution policy, and retail rate design. He also held the post of Manager of Market Design and Regulatory Policy at the CAISO.

Andrew D. Mills

Director of Data Analytics

Andrew joined CalCCA in 2021 and is passionate about finding effective strategies to integrate variable renewable resources, such as wind and solar power, into the electric grid. He uses state-of-the-art power market simulation tools for quantitative analysis of issues relevant to public policy. Previously, Andrew was a staff scientist in the Electricity Markets and Policy Department at the Lawrence Berkeley National Laboratory, where he led U.S. Department of Energy-funded research. Andrew collaborated with researchers on topics including grid reliability, utility planning, valuation of emerging technologies, and infrastructure needs for wind and solar. While at the Berkeley Lab, Andrew earned a Ph.D. in Energy and Resources from the University of California, Berkeley. He also has a B.S. in Mechanical Engineering from the Illinois Institute of Technology.

Martha Serianz

Director of Finance, Human Resources, and Compliance

Though Martha formally joined the CalCCA team in 2018 as the Director of Operations, she supported CalCCA’s launch and first year of operations in 2016 while working as Manager of Legal and Compliance Operations at MCE. Prior to starting her work with CCAs in 2014, Martha served as Major Gifts Development Officer at Earthjustice, Campaign and Public Outreach Director on behalf of groups such as the Democratic National Committee, the San Francisco Democratic Party, and the ACLU, and Office Manager and Volunteer Coordinator at Habitat for Humanity. Mission-based work for causes that Martha believes in has always been the leading motivation in her professional career. Martha received her B.A. in Political Science from the University of Iowa in 2006 and an M.B.A. from Dominican University in 2014. In her free time, she enjoys travel and adventures with her husband and two daughters, Magnolia and Laurel.

Katy Morsony

Director of Policy and Senior Counsel

Katy Morsony serves as Director of Policy and Senior Counsel at CalCCA, which she joined in 2025. She brings deep expertise in California energy regulation, having advocated before the California Public Utilities Commission (CPUC) and the California Legislature on behalf of both residential customers and the broader clean energy sector. Prior to CalCCA, Katy was an attorney at The Utility Reform Network (TURN), where she represented residential ratepayers in wildfire investigations, general rate cases, and rulemakings — including proceedings shaping the CPUC’s quantitative risk analysis framework. She began her legal career at Alcantar and Kahl, LLP, and is a member of the Conference of California Public Utility Counsel. Katy holds a J.D. from The University of Texas School of Law and a B.A. in Political Science from Emory University.

Lauren Carr

Deputy Director of Regulatory Affairs

Lauren joined CalCCA as a senior market policy analyst in 2021. In her role, Lauren engages in California ISO stakeholder initiatives and the Integrated Resource Planning (IRP) and Resource Adequacy (RA) proceedings at the CPUC. Prior to joining CalCCA, Lauren worked as a policy specialist at the California ISO, leading stakeholder initiatives focused on RA and distributed energy resources. Lauren has a B.A. in Economics and History from the University of California, Davis. While pursuing her B.A., Lauren was a student assistant at the California Energy Commission analyzing benefits of Electric Program Investment Charge (EPIC) funded research projects.

Jennifer Baak

Senior Distribution Case Manager

Jennifer joined CalCCA in 2024 as a Senior Distribution Case Manager. In this role, she is responsible for leading regulatory efforts related to distributed energy resources, distribution system planning and operations, interconnection, and data access. She brings over 30 years of experience in the energy sector, with a particular focus on distributed energy resources, virtual power plants, and renewable energy issues. Prior to joining CalCCA, she ran a successful consulting business, advising clients from around the globe on energy policy, regulatory strategy, program design, utility rates, and business development. She previously held positions with MCE, Stem, Vote Solar, PG&E, Powel Group, Utility.com, Alameda Municipal Power, and ElectriCities of NC, Inc.

Willie Calvin

Senior Regulatory Case Manager

Willie joined CalCCA in 2022 as rate case manager. He previously served as power resources specialist at San Jose Clean Energy where he supported the account management and marketing team through program management, data analysis, and contract management for SJCE customer programs. While with SJCE, he helped to launch SJCE’s solar access and energy efficiency programs. Outside of work, Willie enjoys rock climbing and improv comedy.

Kevin Johnston

Senior Counsel

Kevin joined CalCCA as Regulatory Counsel in 2025, bringing more than a decade of legal experience. Most recently, he represented California agricultural customers at the California Public Utilities Commission (CPUC) and the California Legislature on behalf of the California Farm Bureau Federation. Previously, Kevin practiced law in Oregon, working at the Oregon Legislature and in private practice. He is a member of the Conference of California Public Utility Counsel. Kevin earned his J.D. in Energy, Environment, and Natural Resources Law from Lewis & Clark Law School in Portland, Oregon, and his B.S. in Environmental Systems from the University of California, San Diego in La Jolla, California.

Sonia Hennessy

Senior Manager of Events and Partnerships

Sonia Hennessy brings over 15 years of experience to her role as Event Manager with CalCCA. With a remarkable track record of planning and executing successful events and conferences for nonprofits in NYC and Sacramento, she is honored to be working with mission-driven organizations like CalCCA. Prior to working in event planning, she worked in account management after graduating with a BA in Liberal Arts from City University of New York. In her spare time, she enjoys spending time with her family, residing in the Sacramento area with her husband, two kids, and doodle.

Jackson McDonough

Senior Manager of Communications, Marketing, and Digital Solutions

Jackson is part of CalCCA’s communications team and focuses on managing social media, updating the CalCCA website, tracking CCA news and updates, and more. Jackson is excited to contribute to the advancement of CCA in California and support our members in any way that he can. Jackson is a graduate of the University of California, San Diego where he majored in political science with a focus on public law. Prior to Joining CalCCA, Jackson gained experience working for a law firm, his local government, and in sales and marketing. In his free time, Jackson enjoys volleyball, surfing, mountain biking, skiing, and finding fun ways to get outdoors.

Desik Somasundaram

Senior Data Analyst

Desik joined CalCCA in June 2023 as Data Analyst and is passionate about using data science to help find efficient, effective and equitable solutions to aid the clean energy transition. He uses a variety of tools and programming languages such as R, Python and Excel to gather meaningful insights from available data to support CalCCA’s efforts. Previously, he worked on a water resources modeling team for a global environmental consulting firm. He graduated from the Environmental Data Science master’s program at the Bren School of Environmental Sciences and Management in 2022 and holds bachelor’s degrees in Environmental Engineering and Energy and Environmental Policy from University of Delaware.

Teresa Machado

Legislative Manager

Teresa brings nearly a decade of experience to her role as Legislative Manager at CalCCA. Starting her career as a field representative with the California State Assembly, she then transitioned to the nonprofit sector, most recently serving as a Legislative Analyst with the California School Boards Association. Teresa’s passion for advocacy shines through in her work, and she is excited to contribute to CalCCA’s mission. Outside of work, Teresa enjoys traveling, experimenting with new recipes, and tending to her ever-expanding collection of houseplants.

Rebecca Miranda

Operations Manager and Board Clerk

Rebecca joined CalCCA in June 2024 as Operations Manager & Board Clerk, bringing over six years of experience in the nonprofit sector. She has a strong background in operational support, community outreach, event planning, and board management. At CalCCA, Rebecca is committed to enhancing nonprofit management processes and achieving organizational objectives. Throughout her career, Rebecca has worked with various environmental justice and immigrant advocacy organizations, developing valuable skills in administrative support and leading special projects. Rebecca holds a BA in Political Science from California State University, Fresno, and a Master’s degree in International Relations from the Institut Barcelona d’Estudis Internacionals in Spain. She currently resides in Los Angeles.

Shawn-Dai Linderman

Policy Coordinator

Shawn-Dai is an accomplished legal assistant with 25+ years of experience reporting to senior partners in the areas of energy, environment, estate planning, land use, public entity capacity, and commercial and residential real estate. Prior to joining CalCCA in 2020, Shawn-Dai worked as a legal assistant in Buchalter’s San Francisco office as part of the firm’s Energy & Natural Resources Practice Group. She also served as a legal assistant at both Holland & Knight in San Francisco and Wendel, Rosen, Black & Dean in Oakland, working for 10+ years with one senior land-use attorney. At CalCCA, Shawn-Dai supports the association’s policy team under the direction of General Counsel Evelyn Kahl. Shawn-Dai is an avid horsewoman, and spends most of her free time with her gelding, Horse Radish.

Matthew Lundy

Communications and Content Specialist

Matt joined CalCCA’s communications team in 2024. He develops newsletter content, updates the website, shoots and edits video, and more. Matt is passionate about communicating and facilitating the clean energy transition. Previously, he worked at Silicon Valley Clean Energy where he focused on community outreach. He also has experience writing about energy, the environment, and other scientific topics on behalf of news and research organizations. In his spare time, Matt likes to run, read philosophy, and play video games.