Mark founded Whitney Architects in 1984. Specializing in commercial interiors, Whitney has developed space for a varied group of companies, including Kraft Heinz, U.S. Cellular, The Nature Conservancy, and Bosch. He is also president of Q Design, a product design consultancy that has worked with Target, Allsteel and HON. In 2014 he co-founded The Corporate Climate Alliance (CCA), out of a conviction that businesses are well positioned to be significant players in greenhouse gas reduction.

Mark has been an E2 member since 2015. As a director of our Midwest chapter, Mark has spearheaded E2’s advocacy to phase down harmful chemicals called hydrofluorocarbons (HFCs) and replace them with climate-friendlier alternatives.

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Clean energy developers announced more than 50 new utility-scale generation and storage projects totaling over 12 gigawatts (GW) and $18 billion in investment during the first quarter of 2026, according to E2’s latest Clean Economy Works analysis tracking c...


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House Republicans Launch Push to Reinstate Clean Energy Tax Credits

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