About Us

Worldwide Locations

Headquartered in Houston, GSE Environmental has manufacturing facilities in Houston; Spearfish, South Dakota; and Kingstree, South Carolina. Our laboratories are accredited by the Geosynthetic Accreditation Institute – Lab Accreditation Program (GAI-LAP). We also have manufacturing facilities in Chile, Germany, Thailand and Egypt, as well as engineering and sales professionals around the globe.

Asia and Pacific

GSE Lining Technology Co. Ltd.
555 RASA Tower 26th Floor
Phaholyothin Rd. Soi 19, Chatuchak,
Bangkok 10900 Thailand
66 2 937 0091 66 2 937 0097

Daniel Lim
Director of Sales for Asia Pacific
66 2 937 0091 Contact Daniel

James Steinke
Director of Business Development for Asia Pacific
66 2 937 0091 Contact James

Patrick Chu
Inside Sales Manager
668 8022 4103 Contact Patrick

Hermann Ng
Technical Manager
66 88 0224100 Contact Hermann

Myanmar, Malaysia, Brunei, Laos, Cambodia, Singapore, Korea & Japan
Suwit Jariyavattanavijit
Export Sales Manager
668 8022 4099 Contact Suwit

Pakistan, Afghanistan, Nepal, Bhutan, Bangladesh, Sri Lanka, Philippines, Indonesia, Hong Kong, Macau & Taiwan
Krisharun O-Manee
Export Sales Manager
668 8022 4105 Contact Krisharun

Thailand
Boonchai Densakul
Domestic Sales Manager
668 8022 4101 Contact Boonchai

Vichan Tangthanasub
Assistant Sales Manager
668 8022 4102 Contact Vichan

Australia, New Zealand, New Guinea, New Caledonia, Solomon Islands & Marshall Islands
24 Regent Crescent
Moorebank, Sydney
NSW 2170
Australia
61 2 9821 2977 61 2 9821 3611

Andrew Crisafulli
Sales Manager – Australia
61 419 629 046 Contact Andrew

Ian Weir
Technical Sales Manager
61 403 133 704 Contact Ian

China & Mongolia
GSE Shanghai R.O.
Room 1807-1808, Floor 18 Shanghai Trade Center,
No.800 Quyang Road, Hongkou District, Shanghai 200437 China
86 21 65531799 & 86 21 65535266 86 21 65530787

Tan Xiao Ming (Simon Tan)
Sales Manager – China
86 13818801862 Contact Simon

Qi Changwei (David Qi)
Regional Sales Manager
86 13917820082 Contact David

Zheng Yucheng (Michael Zheng)
Regional Sales Manager
86 13917820083 Contact Michael

Chen Hong (Henry Chen)
Regional Sales Manager
86 13917820085 Contact Henry

Ma Suoning (Russel Ma)
Regional Sales Manager
86 13917820086Contact Russel

Alex Zheng (Yongya)
Technical Manager
86 13910055106Contact Alex

India
GSE Environmental
India Liaison Office
223, Gemstar Commercial Complex
Ramachandra Lane Extension – Kanchpada
Off Malad Link Road, Malad West
Mumbai, 400 064, India
91 22 2844 0841 / 2844 0842 91 22 4014 8758

Ravikumar Vengadasamy
Sales Manager – India
91 99675 70985 Contact Ravikumar

Rajesh CV
Regional Sales Manager
91 96769 89191 Contact Rajesh

Raghav Vohra
Regional Sales Manager
91 99100 40825 Contact Raghav

Abhijit Khare
Regional Sales Manager
91 98229 94378 Contact Abhijit

Vietnam
GSE Environmental
Vietnam Representative Office
Mezzanine floor, Sun Wah Tower, 115 Nguyen Hue
District 1, HCMC, Vietnam
84 8 8219192 84 8 8219181

Tran Ngoc Hung (Kenny Tran)
Sales Manager – Vietnam
84 903667174 / 84 982489444 Contact Kenny

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Europe and Africa

GSE Lining Technology GmbH
Normannenweg 28
20537 Hamburg, Germany
0049 40 767420 0049 40 7674234

David Whatley
Director of Sales for Europe, Middle East, Africa, Spain, Italy, Portugal & Benelux
0049 40 767420 0049 40 7674234 Contact David

Stefan Baldauf
Director of Global Sales Engineering
0049 40 767420 0049 40 7674234 0049 172 9914513 Contact Stefan

Doug Flynn
Business Development Director for Europe, Middle East & Africa
0049 40 767420 0049 40 7674234 Contact Doug

Peter Riegl
Director of Sales for Central Europe
0043 7258 29201 0049 40 7674234 0043 676 5549500 Contact Peter

Catrin Tarnowski
Technical Manager
0049 40 7674217 0049 40 7674268 0049 172 9914516 Contact Catrin

Jacques J. McHayleh
Technical Manager Europe & Middle East
0049 40 7674200049 40 76742340033 628 045774Contact Jacques

Mining Division Manager & Africa
Eckhard Sost
0049 40 7674243 0049 40 7674259 0049 172 99 14504 Contact Eckhard

Eastern Europe
Monica Minthorne
0049 40 7674219 0049 40 7674268 0049 172 9914520 Contact Monica

Germany, Austria & Switzerland
Michael Voigt
GSE Lining Technology – Office South/East
Orchideengarten30
09125 Chemnitz, Germany
0049 371 44479410049 371 44479430049 172 9914508Contact Michael

United Kingdom, France & Ireland
Marc Smith
49 C Fordham Road
Soham CB7 5AH
Cambridge, United Kingdom
0044 1353 722395 0044 1353 723166 0044 773 0490381 Contact Marc

Russia & European CIS Countries
Pavel Potapov
Akademika Bakuleva, 6, office 194
117513 Moscow, Russia
007 495 6603932 007 495 6603932 007 916 6281430 Contact Pavel

Turkey, Greece, Israel, Caucasian & Central Asian CIS Countries
A. Rauf Evcimen
Sevuk Sok. Cakioglu Apt. No. 7/9 D:3
Goztepe-Istanbul, Turkey
0090 216 4785612 0090 216 4785612 0090 532 5278604 Contact Rauf

Denmark, Sweden, Finland, Norway & Iceland
Per Ken Aberg
0046 46 5900 600 0049 40 7674 230 0046 70 2072 890 Contact Per

Africa
Morne Breytenbach
0049 40 767420 0049 40 7674230 0027 83 995 0774 Contact Morne

Technical Manager Africa Region
Irene N. Nyirenda
0049 40 7674200049 40 7674 2340027 78 804 3077Contact Irene

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Middle East

GSE Lining Technology-Egypt
Street No. 28, The 4th Industrial Zone
The 6th of October City, Egypt
20 23 828 8888 20 23 828 8889

David Whatley
Director of Sales for Europe, Middle East & Africa
49 40 767420 49 40 7674234 Contact David

Doug Flynn
Business Development Director for Europe, Middle East & Africa
49 40 767420 49 40 7674234 Contact Doug

Khaled Salah
Sales Manager
20 23 828 8880 20 10 828 8880 Contact Khaled Salah

Yousef Sharaf
Sales Manager
49 40 76742049 40 7674234971 50 4501520Contact Yousef Sharaf

Abdel Maksoud Mohamed
Marketing Technical Services Manager
20 23 828 8886 20 10 828 8886 Contact Abdel Maksoud Mohamed

Europe & Africa Headquarters
GSE Lining Technology GmbH
Normannenweg 28
20537 Hamburg, Germany
49 40 767420 49 40 7674234

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North America

GSE Environmental, LLC
19103 Gundle Road
Houston, Texas 77073
800 435 2008 (toll free) 281 443 8564 281 230 8650

Ryan Blanchard
Director of Sales for North America
19103 Gundle Road
Houston, TX 77073
281 443 8564 832 683 7238 Contact Ryan

Sales

South Territories
AL, AR, LA, MS & TX
Bob Wirt
Regional Sales Manager
179 Hwy. 22, Suite 500
Madisonville, LA 70447
985 845 9566 985 845 9562 713 598 3423 Contact Bob

Southeast Territories
FL, GA, & SC
Brad Reitz
Regional Sales Manager
19103 Gundle Road
Houston, TX 77073

443 538 2552 Contact Brad

Midwest Territories
IA, KS, MO, MT, ND, NE, OK & SD
Wade Davis
Regional Sales Manager
19103 Gundle Road
Houston, TX 77073
281 443 8564 281 961 3616 Contact Wade

Mexico & Caribbean Islands
Leonardo Espino
Regional Sales Manager
19103 Gundle Road
Houston, TX 77073
281 230 6768832 866 2594Contact Leonardo

Mexico - Non Mining
Enrique Marin
Regional Sales Manager
19103 Gundle Road
Houston, TX 77073

52 1 81 8362 1991 Contact Enrique

Great Lakes Territories
IL, IN, MI, MN, OH & WI
Larry Lydick
Regional Sales Manager
0N581 W. Weaver Circle
Geneva, IL 60134
630 262 1235 630 262 0230 832 392 5770 Contact Larry

Mid-Atlantic Territories
DE, KY, MD, NC, TN, VA & WV
Michael Gnau
Regional Sales Manager
5708 Renada Drive
Crestwood, KY 40014
502 632 2586 502 371 7699 281 627 3653 Contact Michael

Northeast Territories
CT, MA, ME, NH, NJ, NY, PA, RI,
& VT
Michael Schneider
Independent Representative
19103 Gundle Road
Houston, TX 77073
410 670 8441410 960 5557Contact Michael

Canada
Vincent Diviacchi
Business Development Manager
19103 Gundle Road
Houston, TX 77073

832 657 4857281 230 6615Contact Vincent

West Territories
AZ, CA, HI, NM & Guam
Walt Steinbeck
Regional Sales Manager
1101 California Avenue, Suite 100
Corona, CA 92881
951 273 3474 281 230 8650 310 617 2966 Contact Walt

Northwest Territories
AK, NV, OR & WA
Mike McCabe
Regional Sales Manager
19103 Gundle Road
Houston, TX 77073713 865 6291Contact Mike

Mountain West Territories
CO, ID, UT & WY
Joe Kaul
Independent Representative
19103 Gundle Road
Houston, TX 77073
303 989 2777 303 989 8875 303 887 4518 Contact Joe

Technical

Boyd Ramsey
Chief Engineer
19103 Gundle Road
Houston, TX 77073
281 230 2598281 230 8650Contact Boyd

West, Northwest & Mountain West Territories and Western Canada (BC, AB, SK & MB)
Adam Maskal, P.E.
Technical Manager
19103 Gundle Road
Houston, TX 77073
281 413 4188 Contact Adam

South, Southeast & Midwest Territories and Mexico & Caribbean Islands
Gerry Kehler, P.E.
Technical Manager
19103 Gundle Road
Houston, TX 77073
281 230 8617281 230 8607281 536 2022Contact Gerry

Great Lakes, Mid-Atlantic & Northeast Territories and Eastern Canada (ON & QC)
Steve Mayes, P.E.
Technical Manager
514 Barbara Sue Lane
Mt. Washington, KY 40047
502 904 9244502 209 0325Contact Steve

Upstream Energy
Rod Kirch
Regional Sales Manager
19103 Gundle Road
Houston, TX 77073
281 230 8647 281 230 8650 281 723 2036 Contact Rod

Custom Fabrication & Concrete Protective Liners
Vincent Diviacchi
Business Development Manager
19103 Gundle Road
Houston, TX 77073
832 657 4857 281 230 6615 Contact Vincent

Gary Weaver
Fabrication Sales
19103 Gundle Road
Houston, TX 77073
281 230 5848 281 230 6615 Contact Gary

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South America

GSE Lining Technology Chile S.A.
Monseñor Sotero Sanz 55 Piso 8
Providencia, Santiago, Chile
562-595-4200 562-595-4290

Andres De La Barrera Muranda
Director of Sales for South America
562-595-4201 562-595-4290 Contact Andres

Gonzalo Robledo Torres
Regional Manager
56-55 492070 56-55 492069 56-9-94791765 Contact Gonzalo

Giselle Vega
Regional Manager
562-595-4211 569-870-3271 Contact Giselle

Wladimir Paz
Regional Manager
56-2-595 4212 56-9-7-549 07 00 Contact Wladimir

Mauricio Ossa
Technical Manager
562-595-4283 562-595-4290 569-9827 4755 Contact Mauricio

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