Acting Chair: Allen W. Cadden, P.E., D.GE

Allen Cadden is a principal and chairman of the Board of Directors with Schnabel Engineering. He received his B.S. and M.S. degrees in civil engineering from Virginia Tech. For more than 30 years, Cadden has supported projects throughout the United States and around the world in roles from field inspection to project management and senior technical review. He joined the ranks of the International Society for Micropiles in 2001 at the Lille, France planning meeting. He has since been a regular attendee, organizer and presenter. Cadden has been a leader in the advancement of micropile technology through research, education and application of the technology. Through Schnabel Engineering research efforts and ADSC/DFI Micropile Committee activities, he has contributed to research related to buckling, load transfer in bond zones, connection to existing structures as well as advancing the understanding of micropile use and construction in karstic geologic environments. He is a past member of the ADSC Board of Directors and is currently the past president for the Geo-Institute of ASCE.

Cadden is involved in the following industry associations:

Steering Committee

ISM's Steering Committee is responsible for defining the strategic direction of ISM and comprises one member from each founding country, plus ISM’s Honorary Chairman. Current Steering Committee members are listed below.

Tom Armour, P.E., D.GE, DBM Contractors, Inc. (USA)
Dr. Donald Bruce, C.Eng, D.GE, Geosystems, L.P. (Honorary Chairman)
Andreas Brandner, IB-Brandner (Austria)
Björn Ischebeck, Fried. Ischebeck GmbH (Germany)
Prof. Jouko Lehtonen, Turku University of Applied Sciences (Finland)
Nadir Ansari, Isherwood Associates (Canada)
Masao Sagara, Fujita Research Corporation (Japan)
Paul Woodfield, C.Eng, Technik GS (U.K.)
Allan Herse, Piling and Civil Australia (Australia)

ISM Secretary: James Mason, Ph.D., P.E. (National Park Service) (USA)
ISM Technical Lead and DFI Liaison: Mary Ellen Bruce Large, P.E., D.GE
ADSC Liaison: Peggy Hagerty Duffy, P.E., D.GE

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Learn more about the DFI-ADSC Joint Micropile Committee