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Board of Directors


Board of Directors

Skiles Boyd, Vice President, Environmental Management and Resources, DTE Energy

S. Boyd Head Shot

Skiles Boyd is Vice President of Environmental Management and Resources at DTE Energy (NYSE:DTE), a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services nationwide. Skiles is responsible for managing the company’s environmental issues. In that role, he sets environmental policy, represents the company on environmental issues with the public and in environmental regulatory and legislative development, coordinates environmental studies, and conducts environmental audits. He manages a department of approximately 72 people and has worked in DTE’s environmental department for over 30 years.

Skiles earned a Bachelor of Science degree in environmental resource management from Pennsylvania State University and a MBA from Wayne State University. Skiles is active on the Research Advisory and Environmental Councils of the Electric Power Research Institute, the Conference Board’s Chief Environmental Health and Safety Officers’ Council (Vice Chair), the Air and Waste Management Association, the Business Environmental Leadership Council of the Center for Climate and Energy Solutions, the environmental committees of the Edison Electric Institute, and the American Coalition for Clean Coal Electricity. In addition to serving on CGLI’s Board of Directors, Skiles serves on the Board of Directors for the Southeast Michigan Sustainable Business Forum.


Linda Hilbert, Manager of Environmental Services, Consumers Energy/Interim Treasurer

L. Hilbert Head Shot

Linda Hilbert is Manager of Environmental Services at Consumers Energy where she is responsible for environmental strategy development and compliance.

Linda has over 20 years of experience in the auto and utility industries. She spent 15 years with Ford Motor Company culminating as a Regional Environmental Compliance Manager. Linda joined Consumers Energy in January 2007 as the Environmental Director for New Generation and was responsible for the environmental permitting of the proposed New Clean Coal Plant. She was subsequently appointed Director of Environmental Strategy, retrofitting pollution control equipment on coal plants and then became the Manager of Renewable Energy in November 2009. In 2011, Linda worked on Regulatory Affairs for Consumers and served on the Office of Regulatory Reinvention Advisory Committee for Environmental Rules for Governor Rick Snyder’s administration.

Linda holds a Bachelors degree in Civil Engineering and a Masters degree in Civil and Environmental Engineering from Michigan State University.


Emilio Tenuta, Vice President, Corporate Sustainability, Ecolab

E. Tenuta HeadshotEmilio Tenuta is Vice President of Corporate Sustainability for Ecolab. He is responsible for linking Ecolab’s market strategy with Ecolab’s sustainable solutions delivered through partnerships with more than 1.3 million customers in more than 170 countries.

Tenuta’s 30-year tenure at Ecolab, includes 25 years of technical and marketing management experience in various industries including Food and Beverage, Pharmaceutical, Lodging, Healthcare, Primary Metals and Automotive. In the past five years Tenuta has led Ecolab’s strategic sustainability journey focused on corporate responsibility, internal environmental stewardship and helping customers operate more sustainably.

Tenuta is actively involved in advancing sustainability practices. He sits on the National Restaurant Association CONSERVE Sustainability Advisory Council. He is also an active member of several industry organizations, including Practice Greenhealth, Net Impact and the sustainability work group for the World Travel and Tourism Council. In the last two years, Emilio has forged strong partnerships with a number of NGO’s to support management of water and energy risks in the industrial sector, including the World Wildlife Fund (WWF), Alliance for Water Stewardship (AWS), UN CEO Water Mandate, The Nature Conservancy and World Economic Forum (WEF).

Tenuta holds a Bachelor of Science degree in Chemistry from the University of Wisconsin-Eau Claire and a master’s degree in Business from Northwestern University Kellogg School of Management.