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Experts

CTLGroup is comprised of a multidisciplinary team of engineering, architectural, and scientific experts who produce results for our clients. Our staff is committed to excellence.  Over 90% of our professionals hold advanced degrees and 20% hold PhD’s in their technical fields.

Showing All 34 Experts

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Dennis McCann, Ph.D., P.E.
Dennis McCann, Ph.D., P.E.

Chief Operating Officer & Vice President

Richard Kaczkowski, P.E., S.E.
Richard Kaczkowski, P.E., S.E.

Vice President, Structural Engineering and Mechanics

Boyd Clark, Ph.D.
Boyd Clark, Ph.D.

Vice President, Materials

Carlton Olson
Carlton Olson

Senior Principal Engineer & Group Director

Terry Willems
Terry Willems

Senior Principal Materials Scientist

Donald Broton
Donald Broton

Principal Scientist & Group Director

Michael Drerup, P.E., F. ASCE
Michael Drerup, P.E., F. ASCE

Principal Engineer

Gary Gan, Ph.D.
Gary Gan, Ph.D.

Principal Engineer

Peter Kolf, P.E., S.E.
Peter Kolf, P.E., S.E.

Principal Structural Engineer

Sang-yun Lee, Ph.D., P.E.
Sang-yun Lee, Ph.D., P.E.

Principal Petrographer

Timothy Martin, P.E.
Timothy Martin, P.E.

Principal Engineer

Laura Powers
Laura Powers

Principal Petrographer & Materials Scientist

John Roller, P.E., S.E.
John Roller, P.E., S.E.

Principal Structural Engineer

Giuseppe Sammartino, P.E.
Giuseppe Sammartino, P.E.

Principal Engineer

John Vincent, P.E., S.E.
John Vincent, P.E., S.E.

Principal Structural Engineer

Alexis Brackney, AIA, S.E.
Alexis Brackney, AIA, S.E.

Architect, Engineer & Group Director

David Drengenberg, P.E., S.E.
David Drengenberg, P.E., S.E.

Senior Engineer & Group Director

Xiuping Feng, Ph.D.
Xiuping Feng, Ph.D.

Senior Materials Scientist

Simonida Grubjesic, Ph.D.
Simonida Grubjesic, Ph.D.

Senior Scientist

David Kosnik, Ph.D., P.E.
David Kosnik, Ph.D., P.E.

Senior Engineer

Hamid Lotfi, Ph.D., P.E.
Hamid Lotfi, Ph.D., P.E.

Senior Engineer

Jose Pacheco, Ph.D., P.Eng.
Jose Pacheco, Ph.D., P.Eng.

Senior Consultant & Group Director

Jean Randolph
Jean Randolph

Senior Petrographer & Group Director

Saiprasad Vaidya, Ph.D.
Saiprasad Vaidya, Ph.D.

Laboratory Supervisor & Materials Scientist