OUR TEAM
With a strong track record of success leading clean energy endeavors, eFormative’s team provides a solid foundation of technical expertise, economic analysis and market insight with decades of experience conducting feasibility studies, RD&D and commercialization. Our thorough, accurate approach helps ensure public and private funds are spent wisely.
Heather Rhoads | She/Her | Founder and Principal Consultant
Experienced policy, market and development consultant with a solid reputation in the sustainable energy and public funding sectors. Strong skills in corporate social responsibility, grant writing and management, community-based renewables and distributed resources. Served as peer reviewer for U.S. Department of Energy wind program review and annual operating plans. Heather is a member of the 2SLGBTQI+community. LinkedIn
David Dunaway | He/Him | Project Associate
David is a highly skilled project associate with a passion for using technology to drive project success. With years of experience in a variety of fields such as video production, automotive calibration, 3D printing, basic coding, and Office proficiency, David has developed a strong expertise in leveraging computer tools and software to optimize project workflows, analyze data, and streamline processes. David is a registered member of the Ponca Tribe of Nebraska and also has lineage ties to Choctaw Nation of Oklahoma.
Sonja Ling | She/Her | Senior Analyst
Sonja is an experienced solar project manager and solar sales consultant with demonstrated success in addressing permitting and utility challenges, working with customers to go solar and solar plus storage, and providing strategic input on business and marketing plans. Her passion for climate action and advancing renewable energy was sparked when she was a graduate student at Oxford researching the off-grid solar PV market in a remote area of the Tibetan Plateau. As a renewable energy policy advocate at Renewable Northwest, she participated in utility integrated resource planning advisory groups and was active in shaping wind power guidelines for the siting and permitting of utility scale wind power projects in the Northwest.
Spencer Cohen, PhD | He/Him | Principal and Founder, High Peak Strategy LLC
Dr. Spencer Cohen is the founder of High Peak Strategy LLC, a Seattle-based consulting firm specializing in port operations, regional economics, international trade, and U.S.-China relations. With 14 years of experience, he’s a 2021-2023 Public Intellectuals Program fellow with the National Committee on U.S.-China Relations and an affiliate professor at the University of Washington. Spencer’s expertise spans regional economics, port impacts, and U.S.-China trade. He’s a frequent speaker, opinion contributor, and fluent Mandarin speaker. Dr. Cohen holds a PhD in economic geography from the University of Washington and actively engages with key organizations in U.S.-China relations. High Peak Strategy LLC
Roel Hammerschlag | He/Him | Senior Analyst | Principal Hammerschlag LLC
Energy and climate policy analyst who specializes in greenhouse gas management for large corporations and small governments. Develops and executes greenhouse gas inventories, science-based target setting, design of greenhouse gas reduction programs, lifecycle analyses of fuels and fuel supply chains, econometric analyses of energy choices, and interpretation of climate science for policymakers. LinkedIn
Tim Olsen | He/Him | Senior Engineer | President, Advanced Energy Systems LLC
A Professional Engineer with 30+ years wind and solar energy project engineering and management, Tim is committed to ensuring everyone has a chance to make a positive contribution. As a wind and solar energy expert, Tim is also knowledgeable in hydropower, energy efficiency, engineering, project management and mediation. LinkedIn
Marcella Guerriero | She/Her | Assistant | President, EZ-QB, Inc.
Serving as eFormative’s QuickBooks expert and financial manager, Marcella maximizes efficiency with remote support; supports cash flow management and day to day operations. Skilled at untangling messes and problem solving, using Excel and other programs and experience with numerous non-profits, healthcare services, film production, real estate, restaurants and other industries. LinkedIn
Jane Pulaski | She/Her | Senior Communications Consultant
More than two decades of effectual clean energy communications strategies, Jane is adept at helping businesses understand what’s happening within their industry, offering energetic approaches to amplify messaging and increase visibility in traditional and digital media via blogs, newsletters, websites, social media and news releases, speeches/presentations, reports. LinkedIn
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