![Alexander Buehler](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Alexander Buehler
Chief Executive Officer at
ENERGY RECOVERY, INC.
Net worth: 1 M $ as of 2026-05-30
Profile
Alexander J.
Buehler is currently President, Chief Executive Officer & Director at Energy Recovery, Inc. since 2026.
He is Chairman at LiqTech International, Inc. since 2023.
He holds the positions of President & Director at Global X-Ray & Testing Corp.
and Director at Hi-Tech Holdings, Inc. Formerly, Mr. Buehler was President & Chief Executive Officer at The Brock Group, Inc. (Texas) in 2021.
He was President & Chief Executive Officer at Energy Maintenance Services from 2014 to 2017.
He served as Chief Executive Officer & Director at Tucker Energy Solutions LLC (Texas) from 2015 to 2017.
He was President & Chief Executive Officer at Integrated Water Services, Inc. from 2023 to 2025.
He was Independent Director at Viscount Systems, Inc. from 2014 to 2019.
He held the role of Executive Vice President-Global Resources at Intertek Group Plc from 2017 to 2021.
He worked as Project Manager at U.S.
Army Corps of Engineers.
He was Vice President-Europe Region at Insituform Technologies LLC from 2004 to 2011.
Mr. Buehler completed undergraduate studies at US Military Academy and earned an MBA from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-14 | 66,755 ( 0.13% ) | 545 388 $ | 2026-05-30 | |
| 2025-04-07 | 467,623 ( 1.56% ) | 514 385 $ | 2026-05-30 |
Alexander Buehler active positions
| Companies | Position | Start |
|---|---|---|
| ENERGY RECOVERY, INC. | Chief Executive Officer | 2026-05-25 |
| LIQTECH INTERNATIONAL, INC. | Chairman | 2023-06-25 |
Global X-Ray & Testing Corp.
 Global X-Ray & Testing Corp. Medical/Nursing ServicesHealth Services Provides non-destructive testing and evaluation services | President | - |
Hi-Tech Holdings, Inc.
 Hi-Tech Holdings, Inc. Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | - |
Former positions of Alexander Buehler
| Companies | Position | End |
|---|---|---|
Integrated Water Services, Inc.
 Integrated Water Services, Inc. Environmental ServicesIndustrial Services Provides water and wastewater treatment facilities for industrial, commercial, residential and municipal developments | Chief Executive Officer | 2025-09-14 |
The Brock Group, Inc. (Texas)
 The Brock Group, Inc. (Texas) Chemicals: SpecialtyProcess Industries Engages in petrochemical, refining, power generation, heavy manufacturing, pipelines and transmission activities | Chief Executive Officer | 2021-11-30 |
| INTERTEK GROUP PLC | Corporate Officer/Principal | 2021-01-31 |
| VISCOUNT SYSTEMS, INC. | Director/Board Member | 2019-02-28 |
Energy Maintenance Services | Chief Executive Officer | 2017-09-30 |
Training of Alexander Buehler
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
59
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Insituform Technologies LLC
 Insituform Technologies LLC Engineering & ConstructionIndustrial Services Repairs and rehabilitates underground sewers and pipelines | Industrial Services |
Intertek Group Plc
 Intertek Group Plc Miscellaneous Commercial ServicesCommercial Services Provides testing, inspecting and certifying services | Commercial Services |
Viscount Systems, Inc.
 Viscount Systems, Inc. Computer CommunicationsElectronic Technology Designs, manufactures and services access control and security products | Electronic Technology |
Energy Recovery, Inc.
 Energy Recovery, Inc. Industrial MachineryProducer Manufacturing Designs, develops, manufactures and sells energy recovery devices | Producer Manufacturing |
US Military Academy
 US Military Academy Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
U.S. Army Corps of Engineers
 U.S. Army Corps of Engineers General GovernmentGovernment Protects and maintains nation navigable waterways | Government |
The Brock Group, Inc. (Texas)
The Brock Group, Inc. (Texas) Chemicals: SpecialtyProcess Industries Engages in petrochemical, refining, power generation, heavy manufacturing, pipelines and transmission activities | Process Industries |
Global X-Ray & Testing Corp.
Global X-Ray & Testing Corp. Medical/Nursing ServicesHealth Services Provides non-destructive testing and evaluation services | Health Services |
Integrated Water Services, Inc.
Integrated Water Services, Inc. Environmental ServicesIndustrial Services Provides water and wastewater treatment facilities for industrial, commercial, residential and municipal developments | Industrial Services |
Energy Maintenance Services | |
LiqTech International, Inc.
 LiqTech International, Inc. Industrial MachineryProducer Manufacturing Manufactures gas and liquid purification equipment | Producer Manufacturing |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Tucker Energy Solutions LLC (Texas)
 Tucker Energy Solutions LLC (Texas) Engineering & ConstructionIndustrial Services Provides pipeline and facility maintenance, integrity, measurement and automation services | Industrial Services |
Hi-Tech Holdings, Inc.
Hi-Tech Holdings, Inc. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
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