Please contact any of the IGS North America Board of Directors for information if you have professional questions about geosynthetics.  We will gladly address your question(s) or direct you to someone who can!

If you have membership questions, please contact

If you are interested in sponsoring an educational class, hosting an event or for other questions, please feel free to contact the current IGS-NA president, John Allen, P.E., F.ASCE and the IGS North America office (

Get Social With IGS North America

IGS North America Board of Directors

John Allen
John Allen

MBCC Group
Duluth, Minnesota
Ph: 218-393-6796

Ben Leshchinsky
Ben Leshchinsky

Oregon State University
Corvallis, Oregon
Ph: 541-737-8873

Kate Patterson

Associate, Tailings and Water Resources Engineer
Vancouver BC
Ph: +1 604 251 8487

Vice President - Technical
John Lostumbo
John Lostumbo

TenCate Geosynthetics
Pendergrass, Georgia
Ph: 412-779-3740

Vice President - Communications
Lilma Schimmel

Charlotte, North Carolina
Ph: 704-927-7918

Vice President - University Outreach
Kristen Sample-Lord

Villanova University
Villanova, Pennsylvania
Ph: 610-519-7398

Eric Blond

Eric Blond Consultant
Montreal, Quebec, Canada
Ph: 514 621 9934

John McCartney
Dr. John S. McCartney

University of California San Diego
La Jolla, California
Ph: 858-534-9630

GeoInstitute Liaison
Willie Liew

Tensar International Corporation
Alpharetta, GA
Ph: 404-219-0431

IGS Council Liaison
Sam R. Allen

TRI Environmental, Inc.
Austin, Texas
Ph: 512-615-4415

IGS Pan-Am Committee & FGI Liaison
Timothy Stark
Timothy D. Stark

University of Illinois at Urbana-Champaign
Urbana, Illinois
Ph: 217-333-7394

ASTM Liaison
Kent P. von Maubeuge

NAUE GmbH & Co. KG
Gewerbestraße 2
32339 Espelkamp
Phone: +49 5743 41-228
Mobile: +49 172 529 7928

GMA Liaison
Fred C. Chuck, P.E.

Geosynthetic Materials Association (GMA)
Ph: (651) 225-6956

Canadian Geotechnical Society Liaison
Fady Abdelaal

Queen’s University
Kingston, ON, Canada
Ph: 613-533-3352

CCR Liaison
Evan Andrews

Sequoia Services
Greensboro, North Carolina


GRI Liaison
Dr. George Koerner

Folsom, PA

Ph: 610-522-8440

Tailings Center
Mike Henderson, P.E.