PSI Leadership

PSI Leadership

PSI’s senior management team has invested their careers in building a world class technology development organization. We started as technologists and continue to do so. That’s our culture.

Join the PSI Team

Meet the team

Senior Management Team

Bill Marinelli

Chief Executive Officer

Steve Genestreti

Executive Vice President, Treasurer

Pete Warren

President

Julia Dupuis

Chief Operating Officer, EVP Optical Systems

Sean Mahoney

Chief Financial Officer

Join the PSI Team

Board Of Directors

George E. Caledonia

Mr. George E. Caledonia

Past President and CEO of Physical Sciences

Dr. David W. Cullin

President, Cullin Consulting

Steven R. Genestreti

Mr. Steven R. Genestreti

Executive Vice President, Treasurer

Dr. B. David Green

Chairman

Dr. William J. 
Marinelli

Chief Executive Officer

Dr. William A. Ribich

Dr. William A. Ribich

President, Technology Solutions Group

Mr. Donald Romine

Mr. Donald Romine

Dr. Harlan Spence

Dr. Harlan Spence

Dr. Peter Warren

President

Join the PSI TEAM

Help PSI develop technologies and capabilities that directly address problems of national importance.

Build your Career at PSI