Dan Leff has extensive operating experience building, leading and restructuring global energy services businesses. He has recently served as executive chairman and CEO of energy software and technology companies. Previously, Dan was an Advisory Partner at Clayton, Dubilier & Rice; co-COO of Invensys plc, a global manufacturing and services company; selected to be chair and CEO of Enron Energy Services by the creditor-appointed management team to help lead the parent corporation following its 2001 bankruptcy filing; founder of a forward-looking energy services company which he sold to Enron in 1997 and where he eventually became COO of Enron Energy Services. Dan serves on the boards of a private company and non-profit organizations. Dan and his wife Pam live in Lake Placid, NY.