Proton OnSite Proton — The Leader in On Site Gas Generation



President & Chief Executive Officer

Robert J. Friedland, President and Chief Executive Officer

Robert J. Friedland is President and CEO of Proton OnSite. Mr. Friedland, a founder of Proton OnSite in 1996, has held several senior positions at the company since its inception. Earlier in his career, Mr. Friedland was with United Technologies Aerospace Systems (formerly the Hamilton Sundstrand division). At Hamilton, Mr. Friedland held various positions of increasing responsibility including Program Operations Manager of Navy and Electrochemical Systems. 

Mr. Friedland earned his Bachelor of Science degree in mechanical engineering from Syracuse University and an MBA from Rensselaer Polytechnic Institute. He is a Director of the Fuel Cell and Hydrogen Energy Association, the Connecticut Technology Council and the Connecticut Business and Industry Association and a member of the Executive Steering Committee for H2USA .




Executive Officers

David T. Bow,  Senior Vice President of Sales and Marketing

David Bow became our Senior Vice President of Sales and Marketing on June 2, 2014. Prior to joining Proton OnSite, Mr. Bow provided sales and marketing consulting services through his company, Sales Growth Solutions, from September 2013 through May 2014. From October 2010 to March 2013, he was Senior Vice President - Global Commercial Development of Cosa Instrument Corporation. Prior to working at Cosa, Mr. Bow worked at Dionex Corporation from September 2003 through September 2010 as Vice President - Sales, Service and Marketing.



Sheldon A. Paul, Chief Financial Officer

Sheldon A. Paul joined Proton OnSite in August, 2008 as Vice President of Finance and Administration and was later promoted to Chief Financial Officer in September, 2013.  Prior to joining Proton Onsite, Mr. Paul developed and managed a private consulting practice providing CFO services to medium sized privately held companies.  Before starting his private practice, Mr. Paul worked with Information Management Associates, Inc., a publicly traded software company, as Senior Vice President - Finance & Administration, responsible for worldwide financial operations, information systems, office administration and facilities management.  

Prior to joining Information Management Associates, Inc.,  Mr. Paul was Vice President- Finance and Administration for Dinex International, a healthcare manufacturing and distribution company, responsible for accounting, financial reporting, tax compliance, bank relations, logistics, customer service and information systems. Mr. Paul worked for 9 years in public accounting.  He earned his Bachelor of Science in Accounting from the University of Connecticut and is a Certified Public Accountant. 


John A. Zagaja III, Senior Vice President of Engineering

John Zagaja is Senior Vice President of Engineering at Proton OnSite where he has overall responsibility for technology development and product design. Mr. Zagaja joined Proton OnSite in 2014 and brings an extensive background of product development and project management experience.  Prior to joining Proton OnSite, Mr. Zagaja was with United Technologies Aerospace Systems for 32 years where he held positions of increasing responsibility in Engineering and Program Management.   Mr. Zagaja's most recent position was Manager of Programs and Business Development for Space Systems where he was responsible for the development and execution of advanced thermal, electrochemical, and life support systems programs for NASA and the United States Navy.

Mr. Zagaja earned his Bachelor of Arts degree from Fairfield University, Bachelor of Science in Chemical Engineering from the University of Connecticut, and Master of Science in Computer Engineering from Rensselaer Polytechnic Institute.


Senior Management

Everett Anderson, Vice President of Electrochemical Technology

Everett Anderson is Vice President of Electrochemical Technology at Proton OnSite where he focuses on strategic technology development and assessing new technology and potential partnerships for the next generation of Proton’s products. Mr. Anderson joined Proton OnSite in 2000 and has more than 30 years of R&D experience in hydrogen and fuel cells.  He has served previous positions at the company as Research Manager, Research Director and Director of Process and Materials Development.

Prior to joining Proton OnSite, Mr. Anderson was the Manager of Electrochemical Technologies Group at Physical Sciences Inc., a contract R&D firm where he spent over 13 years conducting research in a variety of technology areas including PEM, direct methanol and alkaline fuel cells, halogen fuel cells, electrosynthesis, electrochemical sensors, and advanced electroplating processes.  Before joining Physical Sciences Inc., Mr. Anderson worked as a Staff Scientist at Giner, Inc. where he conducted research on phosphoric acid and hydrogen-halogen flow batteries. Mr. Anderson has been granted 6 U.S. patents in the fields of electrochemical synthesis, fuel cell electrode fabrication, and PEM electrolyzer cell stack design. 




Katherine Ayers, Vice President of Research and Development

Katherine Ayers is Vice President of Research and Development at Proton OnSite overseeing Proton’s cell stack and R&D groups, with responsibility for development and execution of Proton's research and advanced technology strategy.  Dr. Ayers joined Proton OnSite in 2007 as Manager of Electrochemical Research and has a strong history of executing programs funded by U.S. federal agencies including the National Science Foundation, Office of Naval Research, USDA, Department of Energy, and ARPA-E.  She also manages many of Proton's external research collaborations with universities and national labs, and often serves as a technical expert for government review panels and workshops.  Dr. Ayers currently serves on the Scientific Advisory Boards for 2 major DOE-funded consortiums: the JCAP Energy Innovation Hub and Center for Molecular Catalysis EFRC. 

Prior to joining Proton OnSite, Dr. Ayers worked as a Staff Engineer and team leader at Energizer Battery Company for 10 years, with responsibility for strategic materials direction in batteries and fundamental investigation of production issues.  She received her Bachelor of Science degree in Chemistry/Chemical Physics at University of California, San Diego, and her Ph.D. in Chemistry with Professor Nathan Lewis at the California Institute of Technology.  

Larry Moulthrop, Vice President of Hydrogen Systems

Larry Moulthrop is the Vice President of Hydrogen Systems at Proton OnSite. Mr. Moulthrop is a system development professional and chemical engineer with over 35 years experience in proton exchange membrane (PEM) based electrolysis systems, fuel cell systems, and hydrogen fueling.   In 1996, Mr. Moulthrop co-founded Proton OnSite to commercialize PEM water electrolysis and PEM regenerative fuel cell products. In 1999, Mr. Moulthrop led the product engineering teams that launched the HOGEN® series of PEM based water electrolyzers. Currently, Mr. Moulthrop works with Proton's engineering and application teams to refine existing and develop new packaged hydrogen generator systems for vehicle fueling, renewable energy capture, telecom backup power, military applications, and other hydrogen system solutions.  

Mr. Moulthrop has served as the principal system architect for the SunHydroTM hydrogen fueling station platform and manages SunHydro station operations. He is the designated Program Coordinator for the Toyota Fuel Cell Hybrid Vehicle demonstration program underway and SunHydro LLC. Mr. Moulthrop manages our intellectual property processes, product safety and code compliance processes. He is very active in hydrogen code and standard development, and serves as the current convenor of ISO22734-1, is a committee chair within the NFPA 2 Hydrogen Technologies Code, is a subcommittee chair on the ISO 19880 Hydrogen Fueling Stations standard, and is a member of ISO TC197 Hydrogen Technologies US Technical Advisory Group, and SAE J2601 Fueling Protocols for Light Duty Gaseous Hydrogen Surface Vehicles committees. He personally holds 22 issued patents in the areas of PEM cell design and PEM system architecture through his work with Proton OnSite, United Technologies, and General Electric. He received his BSChE degree from the University of New Hampshire in 1978.


A. John Speranza, Vice President of Commercial Hydrogen Product Sales

A. John Speranza is Vice President of Commercial Hydrogen Product Sales at Proton OnSite.  Mr. Speranza joined Proton OnSite in 1997 and was involved in the development of Proton's core technology and industrial product line.  Prior to joining Proton, Mr. Speranza spent 12 years at Hamilton Sundstrand division of United Technologies Corporation developing PEM fuel cell and electrolyzer products for military and aerospace applications. Mr. Speranza has been granted 17 patents to date in the areas of control systems, fuel cell and electrolyzer system, and power plant efficiency and improvement.

Mr. Speranza has published numerous papers, case studies, and articles on the advantage of on-site gas generation for use in industrial and analytical laboratory work. Mr. Speranza has a degree in Electrical Engineering Technology from the University of Hartford.