Our People

We are the engineers of efficient energy.
We are driven. We strive to be an industry leader in everything we do.
We value ingenuity and critical thinking and are driven by a passion for innovation.
We are visionary. We are forward thinking and continually improving.
We are genuine, open, and eager to share our story and our ideas about energy.
We are working together to make energy more efficient.

  • Philip Brennan
    Chief Executive Officer

    Philip Brennan

    Co-Founded Echogen in 2007

    Experience

    Philip has 25 years of leadership in business development, marketing and sales management with Fortune 100 companies and entrepreneurial start-ups. He has led and managed a variety of businesses, ranging from $220 million + portfolios to turnarounds, to emerging start-ups. Over his career Phil has conceived, developed, and launched over 100 new products in the plastics, nutraceuticals, food and packaged goods industries, and has raised over $75 million in equity and grant funding while preparing companies for the next stage of growth. He has held senior and executive management positions in operations, finance, manufacturing, sales and general management for Pfizer, Warner Lambert and Rubbermaid and was the youngest recipient of Georgetown University's Graduate Fellowship for the Masters in Business Administration.

    After Hours

    Phil can be found playing zone defense on his five children. The family enjoys traveling both domestically and internationally and experimenting with the local cuisine. Phil uses his spare time to study how best to utilize the world’s increasingly scarce resources of EFWS (Energy, Food, Water and Sleep).

  • Mark Terzola
    Chief Strategy Officer

    Mark Terzola

    Mark joined Echogen in July 2008 and was named Chief Strategy Officer in 2015. In this role, Mark leads the company in the area of strategy and compliance, developing and negotiating key strategic and licensing relationships.

    Experience

    Prior to joining Echogen, Mark was a partner at the law firm of Roetzel & Andress where he created and built the firm’s intellectual property group and worked with a client base that included multinational, publicly traded companies and pre-revenue start-ups. In addition to his work at Echogen, Mark previously sat on the Board of Directors for Advanced Energy Economy Ohio and was a founding director of the Ohio Business Council for a Clean Economy. Mark has a B.S. in Civil/Environmental Engineering from the University of Notre Dame and received his J.D., summa cum laude, from the University of Akron.

    After Hours

    Mark is a local, growing up in nearby Stow listening to the Michael Stanley Band, spending summer days at the lake and watching his Browns move to Baltimore (where they win Super Bowls just to rub it in). When not working, he can usually be found coaching, rooting on his Irish, or doing everything in his power to avoid the day when his wife or one of his kids can take him on the golf course or basketball court.

  • Julie Maurer
    VP Human Resources and Corporate Affairs

    Julie Maurer

    Julie joined Echogen in March of 2011 as the Vice President of Human Resources, where she is responsible for leading the recruitment, development and retention of talent, as well as the performance management strategy.

    Experience

    Julie brings 16 years of progressive experience in Human Resources, Recruitment and Organizational Development spanning the manufacturing, retail and professional services industries. Her varied experience includes leading mergers and acquisitions, union contract negotiations as well as managing high-growth environments. She is a graduate of The University of Akron with a BSIM in Human Resources & Sales Management, holds a Professional HR Certification, and has been trained as an Executive Coach.

    After Hours

    Julie is married with two daughters and lives in Akron, Ohio. When her spare time is hers, she enjoys water skiing and sleeping in. On the typical day, she can be found playing Barbies, painting nails, or dressing up like a princess.

  • Timothy Held
    Chief Technology Officer

    Timothy Held

    Timothy joined Echogen Power Systems in October 2008 as Vice President of Engineering, and was named Chief Technology Officer in June 2012. He oversees research & development initiatives.

    Experience

    Dr. Held (Ph.D., Princeton University, B.S.A.A.E. Purdue University) previously managed the Commercial Engine and Industrial Aeroderivatives Combustor Aero Design groups for GE Aviation, where he led the product introduction team for the GEnx TAPS low emissions combustor technology, and the design teams for conventional and Dry Low Emissions (DLE) combustors for the LMS100, the largest aeroderivative gas turbine in the world. He was also responsible for the design of a 15ppm NOX combustion system for the LM6000, and the dual-fuel DLE combustor for the LM2500. He also served as the technical leader for alternate fuels research and evaluation at GE Aviation, where he led the engine evaluation team for the first flight demonstration of a biofuel blend in a Virgin Atlantic 747. He presently holds 19 issued patents, with several additional in process.

    After Hours

    Tim enjoys spending time with his wife and four children, and occupies his occasional spare time working with his hands, either rebuilding and restoring old equipment, or working in his garage on whatever his latest project might be.

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