Dan Leff

Senior Advisor

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Dan has extensive experience building, leading and restructuring global energy services, industrial manufacturing, and technology & software companies.

Dan is an investor and board member in growth companies and advisor to global businesses involved in energy industry transformation. Dan currently serves as executive chairman of Ambri and Sparkfund and previously served as executive chairman of ServiceChannel. Dan also serves as a general partner of Bayard Capital Technologies, a private equity firm that is ServiceChannel’s majority owner. Earlier, Dan was executive chairman of Viridity Energy, chief executive officer and board member of Hara Software, and an advisory partner at Clayton, Dubilier & Rice, a global private equity firm.

Formerly, Dan was chief operating officer of Invensys Energy Management and co-chief operating officer of its London-based parent, Invensys plc, a global manufacturing, services, energy management and industrial automation company. Prior to Invensys, Dan served as chairman and chief executive officer of Enron Energy Services following Enron’s bankruptcy filing, where he led teams that managed the liquidation of Enron’s retail and wholesale businesses.

Earlier, Dan served in a variety of entrepreneurial and leadership roles focused on integrated energy services and energy management. Prior to Enron’s bankruptcy filing, Dan was chief operating officer of Enron Energy Services, a business unit that provided energy outsourcing and commodity services to commercial and industrial clients. Dan also led the reorganization and repositioning of the parent company’s international power plant and pipeline engineering and construction business. Formerly, Dan was president and chief executive officer of FMES, a forward-looking energy services company that he co-founded and sold to Enron Energy Services. Before FMES, Dan was president and chief executive officer of Pilot Energy, a New York City-based energy services and contracting company, and earlier, he worked for United Technologies Carrier - domestically and internationally.

Dan serves as a board member of growth companies, the Trudeau Institute, and Point Positive, as senior advisor to the Broadscale Group and advisory board member of Carter Morse & Goodrich.

Dan holds a Bachelor of Science degree in mechanical engineering from Union College in Schenectady, New York and has four children with his wife Pam of thirty-six years.

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