John A. Zagaja III

SVP 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. 

Before joining Proton OnSite, Mr. Zagaja held the position of Manager of Programs and Business Development for Space Systems at United Technologies Aerospace Systems where he spent 32 years in positions of increasing responsibility in R&D, Engineering, and Program Management.  Focus of this prior experience included 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.