Management Team

Gary Colello
Chief Executive Officer

Gary Colello is a co-founder of the company and has spent many years acquiring companies and building their product base. Mr. Colello has served as Vice-President of Engineering for Powercell, General Manager of SatCon Technology Advance Power Products and Vice-President of Engineering at Omnirel Corporation. He has won several awards for design innovation using ceramic materials and earned dozens of patents in Flywheel, Power Electronics, Power Management and Turbine Engine design. Mr. Colello holds degrees in Materials, Mechanical and Biomedical Engineering from Rensselaer Polytechnic Institute.

Dennis Darcy
Chief Technology Officer

Dennis Darcy is a co-founder of the company and was named Chief Technology Officer in 2003. Before joining Premium Power, Mr. Darcy was Director of Electrical Engineering at Powercell and has also served as Vice-President of Engineering for SatCon Fuel Cell Power Products, Senior Engineer at American Power Conversion, MRI Power Electronics Product Design Group Leader at Analogic Corporation and head of the Power & Control Electronics group at the Draper Laboratory. Mr. Darcy is a technical innovator behind several technology start-ups. He received a Master of Science in Electrical Engineering from Northeastern University and is a registered agent before the United States Patent & Trademark Office. Mr. Darcy holds many patents in the areas of advanced measurement, signal processing, inertial navigation and sensor fusion.

Steven Armstrong
Chief Financial Officer

Steven Armstrong joined Premium Power in September 2008, bringing an extensive financial and engineering background. Immediately prior to joining Premium Power, Steven worked at Kronos Incorporated in Corporate Development. Previously to that, he spent nine years on Wall Street in various Research and Portfolio Management roles covering the Technology, Electric Utility, and Alternative Energy sectors. Before becoming a financial analyst, Steven worked at SatCon as a Mechanical Engineer focusing on flywheel energy storage. Steven earned Bachelor of Science and Master of Science degrees in mechanical engineering from Tufts University. He received a Master of Science degree in finance from Boston College.