David Mather is the CEO and Chairman of the Board of Directors for 3E Nano, Inc.  As an active investor with a background in tech and growth executive leadership, Mather brings an accomplished history of expanding and growing teams and companies to the next level.  He has held senior executive positions in several major technology companies, including Compaq Computer Corporation, Hewlett Packard, and Unisys. Most recently, he served as the President and CEO of Alegion Inc, a leading AI software company in Austin TX.  Prior to his roll at Alegion he was the CEO and President of MTPV Power Corporation, an advanced technology company in clean energy as well as President of Hoovers Inc., a leading SaaS based information company and wholly owned subsidiary of Dun & Bradstreet.

Mather has acted as a board member for several companies throughout his career, and is the Managing Director of Ensys Capital,LLC, a boutique investment firm.

Mather holds a Bachelor of Science degree in Computer Science from Northeastern University and completed executive programs at both Bason College and Warton Business School. He is an avid musician, builder, and boating enthusiast usually found working from his boat in Cape Cod during the summers.