Earl R. Lewis

Board Member

Earl R. Lewis has served as a director of NxStage since 2008 and currently serves as a member of our Compensation Committee. Mr. Lewis has served as Chairman of the board of directors of Flir Systems Inc., a manufacturer of thermal imaging and infrared camera systems, since 2000, and also served as its Chief Executive Officer and President from 2000 to May 2013. Mr. Lewis also serves as Chairman of the board of directors of Harvard BioScience, Inc., a manufacturer of scientific instruments.

Prior to 2000, he served as Chief Executive Officer and President of Thermo Instrument Systems, Inc., a manufacturer of detection instruments. He also served Thermo Instrument Systems in various executive capacities, including President and Chief Operating Officer, Chief Executive Officer and President of Thermo Optek Corp., and President of Thermo Jarrell Ash Corp. Mr. Lewis is a trustee of Clarkson University and New Hampton School. Mr. Lewis is a member of the board of directors of Tecogen, Inc., a manufacturer and installer of heat and power products. Previously, he served on the board of directors of American DG Energy, Inc., an on-site power generation company, from 2005 to 2011. Mr. Lewis holds a Masters Professional Director Certification, conferred by the American College of Corporate Directors, a director education and credentialing organization. Mr. Lewis brings leadership, general management, and large public company operational, financial and corporate experience to our Board.