A strong team of industry experts.
Tackling the world's toughest resource challenges is the shared purpose that connects us as an organization - and transcends the bottom-line.
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Allison Rebbert
Human Resources Representative
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Anastassya 'Stassya' Zack
Program Coordinator ll
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Chuck Tremper
Vice President and General Counsel
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Heather Lukacs
Board of Directors
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Kathleen Steffanic
Director of Finance
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Leann Leon
Program Specialist
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Linda Lloyd
Accounting Manager
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Rachel Peterson
Digital Marketing Manager

Allison Rebbert
Human Resources Representative
As HR Representative, Allison works with Ecology Action’s prospective, new, and current employees to assist in the recruitment, hiring, administration, and training processes. She supports the organization’s personnel-related goals, and provides benefits evaluation, consultation, and reporting.

Anastassya 'Stassya' Zack
Program Coordinator ll
As a program coordinator for youth programs, Stassya schedules, coordinates, and implements the Bike and Walk Smart programs in schools across Santa Cruz, Monterey, and Santa Clara Counties. She loves to teach youth how to navigate their communities by bike and on foot safely. Stassya is a graduate of UC Santa Cruz with a BA in Environmental Studies and a BA in Anthropology.

Chuck Tremper
Vice President and General Counsel
Chuck Tremper brings a broad range of experience and expertise to Ecology Action that he utilizes to oversee accounting, human resources, information technology, communications, compliance, risk management, facilities, governance and strategic planning for the organization. Over the past 30 years, Chuck has helped launch the AmeriCorps national service program, been a professor of both Law and Psychology, served as Chief Information Officer for large nonprofit organizations, held administrative, marketing and technical positions for software companies, provided management consulting services and conducted a variety of policy research and evaluation projects. However, his greatest fulfillment is in helping individuals and businesses take actions that benefit themselves, their businesses and the planet.
Chuck is best known as the author of As the Oceans Rise: Meeting the Challenges of Global Warming, playing doubles beach volleyball, and entertaining the staff at all-hands meetings.

Heather Lukacs
Board of Directors
Heather’s work focuses on community-based natural resource advocacy and research with a focus on drinking water access and watershed management. She is currently the Director of Community Solutions at the Community Water Center’s new Watsonville office, where she connects small, disadvantaged communities with technical and financial resources to address persistent water contamination. Her previous experience has included working as a research consultant for Stanford University focusing on projects related to the environment and education, as well as working for the National Parks Conservation Association as Program Manager and Facilitator of the New River Clean Water Alliance in West Virginia. Heather is a published author of many journal papers on water research topics, and has received numerous awards recognizing her work and leadership. Heather holds a PhD in Environment and Resources from Stanford University, as well as a Masters of Environmental Engineering and Water Resources, and a B.S. in Civil and Environmental Engineering from MIT.

Leann Leon
Program Specialist
As Program Specialist for Ecology Action’s Safe Routes to School Program in Monterey County, Leann supervises the Monterey County team’s Walk Smart and Bike Smart Program. Leann also leads all encouragement work for grants in Monterey County. Leann is an alumni of CSU Monterey Bay and Middlebury Institute of International Studies and holds a BA in Environmental Studies and an MA in International Environmental Policy.

Rachel Peterson
Digital Marketing Manager
Rachel is a Midwest native with a West Coast vibe. She comes to Ecology Action with a depth of marketing experience and brings her skills for storytelling and social media to the marketing team. As the Digital Marketing Manager, Rachel is tasked with bringing the mission of Ecology Action alive on the web and in all communication efforts. Rachel finds her inspiration on two feet and is always searching for the best roads or trails to run.