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Our Board

Mark Hall

Mark Hall

Hall is an Oakland, CA native, and former Capital Improvement Project Manager for the City of Oakland, instrumental in the adoption of the 2008 ARRA Green Jobs and Environmental Action & Resilience Plan. For the last 7 years, Mark has worked in the private sector for Revalue.io, an energy efficiency project developer working to prepare communities for the clean energy transition through energy efficiency and workforce development. In 2019,
Mark was appointed to the California Green Bond Market Development Committee by CA State Treasurer Fiona Ma and is currently working with local jurisdictions and issuers to increase adoption, equity, and diversity.
Mark is a graduate of Morehouse College and a member of the International Association of Assessing Officers.

Stephanie Ziegler

Stephanie Ziegler

Stephanie Vega Ziegler is part of Ferguson’s Strategic Development Group and serves as Director of Environmental Product Strategy. In this role, Stephanie is responsible for developing and executing Ferguson’s intentional environmental product strategy by working closely with sales leadership and category management team who manages Ferguson’s strategic vendor partners. Additionally, she works in close coordination with other functional departments to drive sustainable products and solutions to market to meet evolving customer needs.

Prior to her current role, Stephanie helped create Ferguson’s corporate venture capital capability and put Ferguson capital to work as a strategic investor in the construction technology start up community. Post investment, she managed and developed Ferguson’s investment portfolio working to accelerate portfolio company growth by providing a seamless path to market.

Fong Wan

Fong Wan

Fong has been a leader in California’s vision for a decarbonized environment over the last 3 decades. He has dedicated his entire career in energy: starting in oil and natural gas industries, building a diversified and clean energy portfolio for PG&E, championing market structure policies and strategies to enable green-house emission free sources of energy, and shaping California’s policies for the transition to transport and building electrification.

As an officer for PG&E over the last 23 years, Fong built a diversified, clean, affordable and reliable energy portfolio for PG&E’s 5 million electric customers and 4 million gas customers. He also led PG&E’s strategic and policy initiatives in wholesale and retail market structures, including power plant developments. He championed clean technologies, renewables and storage energy projects, bringing online 300+ projects and 10,000+ MWs, leading to more than 90% in GHG free energy. Fong built and oversaw sophisticated and prudent energy trading across multiple commodities in electricity, natural gas, liquids, renewable energy credits, carbon allowances, and low carbon fuel standards.

Fong received an MBA in finance from University of Michigan and a BS in Chemical
Engineering from Columbia University.

David Rusenko

David Rusenko

David was previously the Founder/CEO of Weebly and is currently the Managing Partner at Leap Forward Ventures.