Management Team

Thomas M. Zarrella

President and CEO

Thomas Zarrella was appointed President and CEO in July 2010. Prior to SustainX, from 2004 to 2009 he held leadership roles at GT Solar International, where he joined as President and COO and was made CEO in 2006. There he grew annual revenues from $9 million to $544 million, culminating in a successful IPO in 2008. Before GT Solar, Zarrella headed Schott Solar AG's U.S. manufacturing operations, where he was instrumental in transforming the R&D-oriented company into a full-scale manufacturer of photovoltaic products. Zarrella previously directed manufacturing and North American operations for Instron Corporation, and also held management positions at companies including Revere Corporation, Sprague Meter (Textron, Inc.), and Sikorsky Aircraft (United Technologies). Zarrella holds a Bachelor of Science in mechanical engineering from the University of Connecticut and an MBA from the University of Bridgeport.

Richard Brody

Vice President, Business Development

Richard Brody, Ph.D., joined as VP of Business Development in January 2012. Prior to SustainX, he was Vice President Business Development at PowerGenix, where he was responsible for market and product strategy, as well as key relationships, for the automotive, stationary storage, and industrial battery markets. Dr. Brody has over two decades of experience in technology-based international business development and government policy. Prior to PowerGenix, he held senior positions in United Technologies Corporation (UTC), including Vice President International Business Development at UTC Power, where he established the company’s clean and renewable power generation business in Asia and Europe. Prior to that, Dr. Brody was President of UTC’s corporate office in Moscow and chairman of the board of the American Chamber of Commerce in Russia. Before joining UTC, he served in the White House as Russia foreign policy advisor to Vice President Al Gore and held positions related to international technology policy at the Department of Commerce and the Congressional Office of Technology Assessment. Dr. Brody holds a Ph.D. and Master's degree from the University of Michigan and a bachelor's degree from Columbia University.

Stephen Brown

Vice President, Engineering

Stephen Brown, SustainX Vice President of Engineering, has nearly 20 years of experience leading development, delivery and servicing of world-class advanced technology products, including more than a decade in mechanical power transmission design and manufacturing. Prior to SustainX, Brown was Director of Engineering at Nordic Windpower. At Nordic, he led global development of the company’s newest 2-bladed wind turbine, an innovative 1-MW, Class IV wind machine. Brown’s career began at Rolls Royce Industrial Power Group in 1993, followed by 13 years in various engineering positions at Llewellin’s Machine Company. At Llewellin’s, he headed product design, development and interface with manufacturing, and was a key technical and commercial leader in the organization. Following that, he spent two years at Vestas Wind Systems as Global Technology R&D Business Unit Director. Brown holds an Honors Degree in Mechanical, Materials and Manufacturing Engineering from the University of Newcastle upon Tyne, United Kingdom. He also holds a PL4 Certificate in Project Management, as well as management, financial and legal accreditations.

Dax Kepshire

Vice President and General Manager

As Vice President and General Manager, Dax Kepshire, Ph.D. is responsible for managing SustainX’s day-to-day operations and is an active participant in developing the company's strategic direction. In 2007, while pursuing a doctorate at Dartmouth’s Thayer School of Engineering, he co-founded SustainX and served as its president until 2010. During that time, Dr. Kepshire secured a total of $11 million in Series A and non-dilutive funding, assembled the core engineering team, forged relationships with strategic partners, and positioned the company as a leader in compressed air energy storage. Prior to founding SustainX, his primary focus at Thayer was on medical device engineering; most notably the development of technologies for image-guided neurosurgery and small-animal molecular imaging. Dr. Kepshire holds a B.S. from Elizabethtown College and M.S. and Ph.D. degrees from the Thayer School of Engineering.