Our Team

Cool the Earth is primarily a volunteer organization that values everyone’s many contributions.


      Carleen Cullen


In her role as co-founder and executive director of Cool The Earth, Carleen draws from a wealth of experience, having successfully created an international company in the information technology field.

Her entrepreneurial endeavors began in 1986 when she moved to New York City to become a partner in a start-up venture with her brother. They bootstrapped the company, Ovid Technologies, and grew it into a successful global business. After expanding to include hundreds of employees in 5 international offices. Ovid went public (Nasdaq) in 1994 and later was successfully sold. In 2006, after moving to Northern California with her family, Carleen co-founded Cool the Earth, Inc., a nonprofit with the goal of stopping global warming. Carleen serves on the Leadership Council for Chabot Space and Science Center, has a BA in English Literature from Loyola Marymount University in Los Angeles, CA and graduated in 1986.


Jeff Cullen

With a business degree in Marketing and Management, Jeff went to work for Kraft-General Foods to learn about brand marketing and advertising for such brands as Maxwell House Coffee and Jell-O. Jeff moved on to Wall Street with JP Morgan to gain broader experience in business finance. Rounding out his career, Jeff became Vice-President at MediaMark Research Inc. (MRI), an advertising research company, where he focused on sales management and new media development. A 1984 graduate of Northeastern University in Boston, with a BS in Marketing and Management, Jeff also has over 10 years experience serving as a board member for Western Houston Equities.


Annika Osborn, Program Coordinator

Annika comes to Cool the Earth with extensive environmental knowledge and experience and a passion for making a difference.


Elizabeth Moreno
Social Media Specialist

Elizabeth comes to Cool the Earth with an extensive background in social media and nonprofits and has worked with organizations from the Pacific Northwest to East Africa and Southeast Asia. As a social media specialist, Elizabeth helps nonprofits harness the power of social media to drive impact. She works with nonprofits to refine their social media goals, reach new clients, grow their audience and build meaningful engagement. To learn more about Elizabeth's work, visit www.socialcareco.com


Lawrie Mott
Chair, Board of Directors

Lawrie Mott is currently an independent consultant specializing in environmental health. From 1982 to 2000, she was a senior scientist with the San Francisco office of the Natural Resources Defense Council. Lawrie has served on a wide variety of environmental and educational nonprofit boards including Resource Media - a media strategy organization focused on environmental issues, Marin Academy - an independent high school, and Envision School - a charter school management organization. She received her BA from University of California Santa Cruz and her MS from Yale.


Mary Matteson Bryan
Member, Board of Directors

Mary has over 20 years of experience in the energy efficiency field and has held senior positions at the consulting firms of EMCOR Energy Services and Newcomb Anderson McCormick. As a consultant, she directed teams of engineers in providing expert energy engineering analysis. With an emphasis on technical support for utility customer energy efficiency programs, Mary currently manages the Lighting Portfolio for Pacific Gas and Electric (PG&E) Company’s Emerging Technologies Program. Mary has an M.S. in Mechanical Engineering from Stanford University and a B.S. in Mechanical Engineering from the University of AZ. She has been providing Cool the Earth with invaluable volunteer hours from its inception.


Alex Zwissler
Member, Board of Directors

Alexander Zwissler is the Principal of Einstellung Labs, a consultancy working at the intersection of the nonprofit and for profit sectors. Prior to the formation of Einstellung Labs,Zwissler was CEO of Chabot Space & Science Center where he developed new programs including Bill Nye’s Climate Lab.  Before leading Chabot, Zwissler was the Executive Director of the Fort Mason Foundation. 

Zwissler serves in the leadership of non-profits including recently the Board of Directors of the Association of Science and Technology Centers. He is co-Chair of the Gateways Eastbay STEM Network, on the Advisory Board of the Climate Readiness Institute at UC Berkeley, and is a Commissioner on the San Francisco Bay Conservation and Development Commission

Zwissler graduated with a BA (Hons) in Political Science from the University of California at Berkeley, and went on to become a Postgraduate Research Fellow at the Centre for Mass Communication Research at the University of Leicester, England. In 2008 Zwissler was a fellow of the Noyce Leadership Institute.

In his free time Zwissler can be found mountain biking in Marin and planning to become a poet.


Robin Fisher “Member, Board of Directors”

Robin Fisher is currently working with Transforming Justice, a non-profit organization actively creating a more fair and humane justice system employing mindfulness to transform attitudes, practices and policies. She also worked with the Berkeley Initiative for Mindfulness in Law at UC Berkeley School of Law teaching meditation and the connection between law and mindfulness to the Berkeley Law community, other law school professionals across the country and the legal community in general. While practicing law in San Francisco, she counseled domestic and international corporations in litigation regarding high stakes business deals and sensitive environmental issues. She earned her BS in Occupational Therapy from the University of Oklahoma and her JD from the University of Tulsa College of Law. Robin clerked for Judge Lee R. West of the United States District Court for the Western District of Oklahoma.  


April Dean “Member, Board of Directors”

April has supported CTE and it’s mission since it’s inception and has a long-standing interest in energy efficiency, both in business and at home.  A biomedical engineer by training (B.S. UCLA, M.S. UC Davis), she started and later sold her medical device manufacturing automation company a few years ago, followed by working as Vice President of Research and Development for the acquiring company.  She recently retired, and is looking forward to devoting her time towards increasing the adoption of EV’s here in Marin.   She drives a Chevy Bolt, and the other family car is a Toyota RAV 4 EV.