About Us

Clean Energy Works was founded by Dr. Holmes Hummel to accelerate investments in the clean energy economy on inclusive terms that are fiscally sustainable and financially scalable. Since then, Clean Energy Works has won recognition as a winner or finalist in five international searches for high-impact innovation and breakthrough solutions for clean energy deployment. Previously, Dr. Hummel served as the Senior Policy Advisor in the Department of Energy’s Office of Policy & International Affairs from 2009-2013. Among the responsibilities in that role, Dr. Hummel convened the first agency-wide working group on finance with a focus on expanding participation in the clean energy economy. In addition to prior work with energy innovators in the Silicon Valley, Dr. Hummel earned a doctorate degree from Stanford University for interdisciplinary research on energy technology scenarios that achieve 100% clean energy for all and is the Managing Director for Energy Equity & Just Transitions at the Institute for Energy at Stanford University.

Tamara is the Managing Director of Clean Energy Works. She brings more than fifteen years of managerial experience in the nonprofit and public sectors. She has served as Director of programs and policy for mayoral administrations in Atlanta and Houston, as Chief of Staff to a Houston City Councilmember, as the Executive Director of the Southeastern African American Farmers Organic Network (SAAFON), as the founder of the Social Justice Impact Project / Inquiring Systems Inc., and as a consultant guide to dozens of organizations over ten years of independent practice.

In the energy sector, Ms. Jones held positions of Director of Program Development & Government Relations at Southface Energy Institute and Director of Programs and Services for the Southeast Energy Efficiency Alliance (SEEA). At SEEA, she administered regional energy efficiency building retrofit programs for which she was designated a White House Champion of Change in 2011. Ms. Jones holds a Bachelor’s degree in Political Science and Philosophy from Long Island University Brooklyn Campus and a Master’s degree in Political Science from Yale University.

Margarita leads Clean Energy Works’ transportation portfolio. Trained as a chemical engineer from the Universidad Nacional de Colombia with a masters in Environmental Engineering from New Zealand and a diploma in Sustainable Development from India, Ms. Parra has worked for more than two decades in Latin America, China, India, and the United States to reduce local air pollution and global carbon emissions from transportation. Prior to joining Clean Energy Works, she managed the low carbon transport portfolio of the Hewlett Foundation’s Global Climate Initiative. Ms. Parra has served on the Board of Directors of the Silicon Valley Bike Coalition, the Sustainable and Low Carbon Transportation Partnership and Hispanics in Philanthropy. In 2020, Margarita was highlighted as one of 50 global changemakers in the Remarkable Women in Transport publication from Transformative Urban Mobility Initiative (TUMI).

Jenna brings more than fifteen years of project management experience to Clean Energy Works, where she focuses on communications and development in support of accelerating investment in the clean energy economy. Previously, Ms. Barron worked to secure funding for research and programs to eliminate labor and human rights abuses in global supply chains at Verité. At Oceana, Ms. Barron helped develop proposals for new initiatives leading to the founding of country offices in the Philippines, Brazil, and Canada. Ms. Barron holds a B.A. in Diplomacy and World Affairs from Occidental College in Los Angeles.

Andrew is the Director of Operations for Clean Energy Works. He brings more than thirty years of operational, data, and financial management experience from the nonprofit, private, and public sectors. He served as Director of Operation for Georgia Organics, Senior Manager at the city of Atlanta in the Department of Finance, and in the Business Intelligence & Data Management sector for a variety of companies and clients.

In the energy sector, Mr. Ladd held the position of State Utilities Program Coordinator in the Energy Resources Division for the Georgia Environmental Finance Authority (GEFA). At GEFA, he was part of a team promoting energy efficiency and conservation for state of Georgia government agencies, authorities and commissions through financing of facilities retrofits, energy usage analysis, and performance contracting. Mr. Ladd holds a Bachelor’s degree in Economics from the University of Georgia and a Master of Business Administration from Georgia State University.

Carol has been working alongside, and learning from, fenceline and shoreline communities at the intersections of clean energy, local economies, and just and equitable policy and advocacy at the local, state, and federal levels for decades. Her work began as a high school student after her hometown was bought and demolished by a utility company due to pollution; Ms. Davey organized alongside neighbors to pass a bond levy and move the school further away from danger and closer to the diaspora’s resettlement. She attended Berea College due to its legacy of inclusion and equality as the first college in the South to educate both Black and White, men and women, together. Her degrees in Communication, Peace and Social Justice Studies, and Political Science created a dynamic world view that she further expanded by obtaining her Master’s Degree in International Peace Studies from Trinity College Dublin, Ireland. Ms. Davey has been honored to be selected for multiple fellowships including the inaugural class of the Highlander Research and Education Center’s Appalachian Just Transition Fellowship. She has worked for the last five years in the conservation voter movement creating more equitable and just pathways to connect people to the power to create change and was a foundational member of the Ohio Climate Justice Fund’s Advisory Board.

Matt is the Director of the Building Decarbonization program at Clean Energy Works. His prior professional experience spans work as an attorney, a climate change policy and programs manager, an energy justice researcher, and a professional runner and running coach. He also serves as an at-large city council member in Bloomington, Indiana. In his work at the Indiana University Environmental Resilience Institute, Mr. Flaherty led policy and program implementation assisting local governments in advancing climate action and community resilience. His research experience includes energy federalism, energy insecurity, and utility disconnection issues. Mr. Flaherty holds a bachelor’s degree in civil & environmental engineering from the University of Illinois – Urbana-Champaign, as well as a law degree and master’s degrees in public affairs and environmental science from Indiana University – Bloomington.

Bethzaida Olivera Vazquez, JD is a passionate advocate for clean energy, environmental justice, civil rights, and community empowerment. Born and raised in Bayamon, Puerto Rico, she graduated from the University of Puerto Rico and also holds a Law Degree from Universidad Interamericana de Puerto Rico. Ms. Olivera Vazquez began her career as a volunteer at a nonprofit on the island, and soon reached one of the highest positions in the Puerto Rican government, as Legislative Counsel for the Speaker of the House. In this role, she worked on issues that dealt with the intersectionality of just transition, clean energy, public safety and health in low-wealth communities. In 2016, she moved to Florida where she has been involved in community organizing, advocacy and policy work for a leading environmental organization. Ms. Olivera Vazquez has also worked as an Analyst for the Congressional Research Service at the Library of Congress.

Lexie joins the Clean Energy Works team as an Associate with the Transportation Decarbonization program. Trained as a mechanical engineer with a focus in sustainability, she worked as an engineer for a transport HVAC company before returning to graduate school. Ms. Lyng has a M.S. in Science, Technology, and Environmental Policy from the University of Minnesota where she also pursued a graduate minor in Urban and Regional Planning. Prior to joining Clean Energy Works, she was selected as a 2022 Climate Corps Fellow for the Environmental Defense Fund where she worked with the City of Charlotte, NC to design an implementation plan to transition their Medium and Heavy-duty fleet to electric vehicles.

Karen is an independent contractor with the Just Energy Transition team, specializing in working with communities to create innovative and sustainable solutions to address energy equity, community building, and growth management needs. She is a member of the American Institute of Certified Planners. Ms. Campblin’s practices stems from her strong belief that creating healthy livable spaces in tandem with strong consideration of the community needs, improves social wealth, access, and overall quality of life.

Dr. Anthony Kinslow II is the founder of Gemini Energy Solutions, Executive Director of the Racial Equity in Energy Project and is an adjunct lecturer at Stanford University where he co-teaches the course Racial Equity in Energy. Dr. Kinlsow background as an implementer gives him a unique perspective in the policy space. In addition to being an HBCU alum (NC A&T), Dr. Kinslow earned a doctorate degree from Stanford University by incorporating Bayesian statistics in building science analysis to improve the cost-effectiveness of energy efficiency programs.