Geosynthetic Lining Systems
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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 China, Chile, Germany, Thailand and Egypt, as well as engineering and sales professionals around the globe.
Asia 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, South Asia & Australia Pacific
66 2 937 009165 8181 3343

Robert Yi
Director of Sales, North Asia
86 512 6667610086 185 50431469

Patrick Chu
Inside Sales Manager
66 88 0224103

Boyd Ramsey
Technical Director
281 797 6183

Hermann Ng
Senior Technical Manager
66 88 0224100


Northeast Asia Region

Japan & Korea

Tomohiro Tajiri
Territory Sales Manager - Northeast Asia
668 1589 8900



ASEAN Region

Brunei, Cambodia, Indonesia, Laos, Malaysia, Philippines, Singapore & Myanmar

Krisharun O-Manee
Area Sales Manager - ASEAN
668 8022 4105

C. Mario R. Basri
Territory Sales Manager - Indonesia
62 811 333 0108

Thailand

Boonchai Densakul
Area Sales Manager - Thailand
668 8022 4101

Vichan Tangthanasub
Territory Sales Manager - Thailand
668 8022 4102

Vietnam

GSE Environmental
Vietnam Representative Office
Mezzanine floor, Sun Wah Tower, 115 Nguyen Hue
District 1, HCMC, Vietnam
84 8 821919284 8 8219181

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


Australia Pacific Region
24 Regent Crescent
Moorebank, Sydney
NSW 2170 Australia
61 2 9821 297761 2 9821 3611

Australia, New Zealand, New Guinea, New Caledonia, Solomon Islands & Marshall Islands

Andrew Crisafulli
Inside Sales Manager – Australia Pacific
61 419 629 046

Greater China Region & Mongolia
GSE Environmental Lining Technology (Suzhou) Co., Ltd.
Shanghai Branch Company
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

China, Hong Kong, Taiwan, Macau, Mongolia

Tan Xiao Ming (Simon Tan)
Area Sales Manager – Greater China Region
86 13818801862

Qi Changwei (David Qi)
Territory Sales Manager - China
86 13917820082

Zheng Yucheng (Michael Zheng)
Territory Sales Manager - China
86 13917820083

Ma Suoning (Russel Ma)
Territory Sales Manager - China
86 13917820086

Wu Zhongxuan (Mark Wu)
Territory Sales Manager - China
86 13917820085

Mongolia

86 21 65531799 or 86 21 65535266

Alex Zheng (Yongya)
Technical Manager - Greater China Region
86 13910055106


South Asia Region
GSE Environmental
India Liaison Office
Office No. 317, 3rd Floor,
Agarwal B2B Center, D'monte Lane
Kanchpada, Off Link Road, Malad West
Mumbai 400064, India
91 22 4014 8758 / 2844 0841 91 22 2844 0842

Pakistan, Afghanistan, Nepal, Bhutan, Bangladesh, Sri Lanka, & India

Sudhir Ramakrishnan
Area Sales Manager - South Asia
91 99879 43886

Europe and Africa

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

Paul Firrell
President for Europe, Middle East & Africa
0049 40 7674200049 40 7674234

Mark Harris
Director of Sales for Europe, Middle East & Africa
001 281 230 6725 001 281 875 6010 001 832 459 7143

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

Doug Flynn
Business Development Director for Europe and Middle East
0049 40 767420 0049 40 7674234 0044 7739 344691

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

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

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

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

Spain, Italy, Portugal & Benelux
Bernhard Weiss 
0049 40 76742630049 40 76742340049 172 9909601

United Kingdom & Ireland 
Marc Smith 
49 C Fordham Road
Soham CB7 5AH
Cambridge, United Kingdom
0049 40 767420 0049 40 7674234 0044 773 0490381


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 4785581 0090 532 5278604


Denmark, Sweden, Finland, Norway & Iceland

Per Ken Aberg
0046 46 5900 600 0049 40 7674 230 0046 70 2072 890

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

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

Mark Harris
Director of Sales for Europe, Middle East & Africa
001 281 230 6725001 281 875 6010001 832 459 7143

Doug Flynn
Business Development Director for Europe and Middle East 
49 40 76742049 40 7674234

Marc Smith
UAE, Qatar, and Oman 
0049 40 7674200049 40 76742340044 773 0490381

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

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

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

North America

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

Steve Eckhart
VP North American Sales & Global Marketing
19103 Gundle Road
Houston, TX 77073
281 230 8695 281 840 1754

Karen Dennison
Customer Service Manager
19103 Gundle Road
Houston, TX 77073
281 230 5831832 581 5567


West Territory Sales Team
AK, AZ, CA, CO, HI, ID, MT, NM, NV, OR, UT, WA, WY


Regional Manager
Mike Templeton
281 967 0437

Technical Manager
Adam Maskal, P.E.
281 413 4188

Customer Service Rep
Mary Cruthirds
19103 Gundle Road
Houston, TX 77073
281 230 6745281 875 6010281 384 9509


Midwest & Canada Territory Sales Team
IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, WI & Canada


Regional Manager
Larry Lydick
630 262 1235630 262 0230832 392 5770

Technical Manager
Vincent Diviacchi
832 657 4857281 230 6615

Customer Service Rep
Paige Comer
19103 Gundle Road
Houston, TX 77073
281 230 679281 875 6010832 836 0693


Northeast & MidAtlantic Territory Sales Team
DE, CT, KY, MA, MD, ME, NC, NH, NJ, NY, PA, SC, TN, VA, VT, WV


Regional Manager
Michael Schneider
Regional Sales Manager 
19103 Gundle Road 
Houston, TX 77073
410 670 8441410 960 5557

Technical Manager
Steve Mayes, P.E.  
Senior Technical Manager
502 904 9244502 209 0325

Customer Service Rep
Azucena Ochoa
19103 Gundle Road
Houston, TX 77073
281 230 8631 281 875 6010 832 581 5627


South & Southeast Territory Sales Team
AL, AR, FL, GA, LA, MS, OK, TX


Regional Manager
Bob Wirt
985 845 9566713 598 3423

Technical Manager
Brad Reitz
443 538 2552

Customer Service Rep
Patricia Zabaleta
19103 Gundle Road 
Houston, TX 77073
281 230 6700281 875 6010832 800 9114


Oil & Gas


Upstream Oil & Gas Manager
Rod Kirch  
19103 Gundle Road
Houston, TX 77073
281 230 8647281 230 8650281 723 2036

Inside Sales & Customer Service
Patty Beaubien
Inside Sales Representative
19103 Gundle Road 
Houston, TX 77073
281 230 5817281 230 8650281 723 7617


Civil Manager


Larry Salzer
19103 Gundle Road
Houston, TX 77073
320 290 0174320 255 8951


Custom Fabrication & Concrete Protective Liners


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


Mexico and Central America

Regional Manager
Leo Espino
19103 Gundle Road
Houston TX 77073
281 230 6768832 866 2594


Regional Manager
Enrique Marin
52 1 818362 199152 1 818362 1991

Customer Service Rep
Azucena Ochoa
19103 Gundle Road 
Houston, TX 77073
281 230 8631281 875 6010832 581 5627

South America

GSE Lining Technology Chile S.A.
Monseñor Sotero Sanz 55 Piso 8
Providencia, Santiago, Chile
562 2595 4200 562 2595 4290

Simoney Torres
Customer Service
562 2595 4201

Giselle Vega
Sales Director
562 2595 4211 569 9870 3271

Manuel Jaña
Regional Sales

562 2595 4202 569 8376 4416

Jorge Corssen
North Regional Manager

562 2595 4213569 9479 1765

About GSE

GSE is a leading manufacturer and marketer of geosynthetic lining products and services. We've built a reputation of reliability through our dedication to providing consistency of product, price and protection to our global customers.

Our commitment to innovation, our focus on quality and our industry expertise allow us the flexibility to collaborate with our clients to develop a custom, purpose-fit solution.