PDI’s Leadership Team combines over 200 years in the Deep Foundations Industry. As active members in PDCA, DFI, ADSC, ASCE and other industry organizations, we are dedicated to continued research, innovation and superior customer service.

George Piscsalko, P.E.


Garland Likins, P.E.

President Emeritus & Senior Consultant

Mohamad Hussein, P.E.

Chairman of the Board

Frank Rausche, PhD, P.E., D. GE.

Senior Consultant

Brent Robinson, PhD, P.E.

Vice President

Wayne Dalton

Vice President

Adrian Rausche

Chief Financial Officer

Anna Sellountou, PhD, P.E.

Senior Engineer

Ryan Allin, P.E.

Vice President

Robert Sprenger (Bob)

Production Manager

George W. Piscsalko

Production Manager

Diane Fischer

Marketing Director