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

Peter McCourt
President, Asia Pacific66 2 937 009166 94 678 8883

Daniel Lim
Director of Sales, South Asia & Australia Pacific66 2 937 009165 8181 3343

Robert Yi
Director of Sales, North Asia86 512 6667610086 185 50431469

Boyd Ramsey
Technical Director 281 797 6183

Hermann Ng
Senior Technical Manager
66 88 0224100

Kib (Kesavaporn) Anutarapinyovong
Customer Service Manager - S. Asia & Austalia Pacific
66 94 491 7773


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

Vichan Tangthanasub
Area Sales Manager - Thailand
668 8022 4102

Vietnam
GSE Environmental
Vietnam Representative Office
L14-08B, 14th Floor, VINCOM Bldg
72 Le Thanh Ton, Ward Ben Nghe
District 1, HCMC, Vietnam
84 8 6288558684 8 62688188

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

Sven Krahberg
Commercial Director Germany
0049 40 76742620049 40 76742790049 172 9914515

Stefan Baldauf
Director of Global Sales Engineering
0049 40 767418 0049 40 7674249 0049 172 9914513

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

Catrin Tarnowski
Technical Manager Europe & Middle East
0049 40 7674217 0049 40 7674234 0049 172 9914516

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

Martin Sünnwoldt
Technical Manager 
0049 40 76742200049 40 76742340049 172 9914500

Detlev de Vries
Manager Installation Department
0049 40 7674261 0049 40 7674279 0049 172 99 14519

Eckhard Sost
Mining Division Manager & Africa
0049 40 76742430049 40 76742590049 172 99 14504

Johan Behrens
Sales Manager Africa
0049 40 7674200049 40 76742340027 7901 81433

Michael Voigt 
Sales Manager Germany Northeast, Austria & Switzerland
0049 371 44479410049 371 44479430049 172 9914508

Thomas Labda 
Sales Manager Germany Southwest
0049 40 76742260049 40 76742340049 172 9914018

Donia Hamdi 
Sales Germany
0049 40 76742880049 40 76742340049 172 9914016

Rainer Wiedemann 
Sales Germany 
0049 40 76742220049 40 76742340049 172 9914013

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

Marc Smith 
United Kingdom, France, Benelux, Ireland, Scandinavia, Iceland, & Baltic States
0044 1487 824339 0044 1487 824339 0044 7730 490381

Barry Routledge 
Civil Market Sales Manager United Kingdom
0049 40 7674200049 40 76742340044 7460 830953

A. Rauf Evcimen 
Turkey, Greece, Israel, Caucasian & Central Asian CIS Countries
0090 216 4785612 0090 216 4785581 0090 532 5278604

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

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
Vice President Americas Sales & Global Marketing
281 230 8695 281 840 1754

Steve Mayes, P.E.
Technical Director
502 209 0325

Karen Dennison
Customer Service Manager

281 230 5831832 581 5567

West Territory Sales Team
AK, AZ, CA, HI, OR, WA

Regional Manager
Todd Sturtz, P.E.
813 927 3582

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

Customer Service Rep
Mary Cruthirds
281 230 6745281 875 6010281 384 9509


Mountain West Territory Sales Team
CO, ID, MT, NM, NV, UT, WY

Regional Manager
Rod Kirch
281 230 8647281 230 8650281 723 2036

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

Customer Service Rep
Mary Cruthirds
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 232 9068832 392 5770

Technical Manager
Vincent Diviacchi
832 657 4857281 230 6615

Customer Service Rep
Paige Comer
281 230 6779281 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
410 670 8441410 960 5557


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
Patty Beaubien
281 230 5817281 230 8650281 723 7617


Oil & Gas

Upstream Oil & Gas Manager
Rod Kirch  
281 230 8647281 230 8650281 723 2036

Customer Service
Patty Beaubien
281 230 5817281 230 8650281 723 7617


Civil Market

Civil Manager
Larry Salzer
320 290 0174320 255 8951

Customer Service Rep
Patricia Zabaleta
281 230 6700281 875 6010832 800 9114


Custom Fabrication & Concrete Protective Liners

Gary Weaver
Fabrication Sales
281 230 5848 281 230 6615


Mexico and Central America

Regional Manager
Mexico & Caribbean
Mining Applications
Leo Espino
281 230 6768832 866 2594

Regional Manager
Mexico & Central America
Non-mining Applications
Enrique Marin
52 1 818362 199152 1 818362 1991

Customer Service Rep
Patricia Zabaleta
281 230 6700281 875 6010832 800 9114

South America

GSE Lining Technology Chile S.A.
Bucarest 150 of 402 Providencia
Santiago, Chile
562 2942 8365 562 2595 4290

Connie Bohm
Customer Service Manager
562 2595 4239569 9 949 8691

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.