Management Team

IWS is the leader in cutting-edge water and wastewater treatment solutions.

Management Team

Our team boasts top green energy experts, driving innovation in sustainability.

Alex Buehler

President & CEO

Joined in October 2022; proven track record of increasing profits and returns by applying leadership to inflect organizational performance.

20+ years experience across Board, CEO, CFO, and other roles.

Harsha Tamatam

Chief Financial Officer

Joined IWS as CFO in January 2023.

15+ years of experience in various roles including VP of Finance & Treasurer, Sr. Director of Finance, and Corporate Development Manager.

Dennis Livingston

Dennis Livingston

Technical Director

Joined IWS in December 2022 via the acquisition of MMBR.

17+ years experience at Ovivo, a global wastewater treatment equipment, technology, and systems provider as well as founder of MMBR.

Todd Brunetti

Vice President of Technical Services

Joined IWS in November 2016; roles across Project Mgmt and Technical.

20+ years experience in heavy civil construction, specializing in water and wastewater retrofit, design, installation, and operations.

Michael Gay

SVP, Field Services

Joined in July 2023.

15+ years of construction project and operations management.

Fred Siino

President, KLa Systems, LLC

Joined IWS in January 2024 as part of KLa acquisition.

35+ years of leadership in the water and wastewater industry.

Brian McMackin

Vice President, Human Resources

Joined IWS in June 2023.

30+ years experience in operations and Human Resource leadership roles spanning multiple industries.

George Bunker

Joined IWS in March, 2023.

20+ years in safety leadership roles.

Jorge Toledo

Vice President of Strategic Transformation

Joined IWS in June 2023.

20+ years of financial, accounting, and operations leadership.

Eric Siebert

VP, Corporate Development

Joined IWS in December 2023.

20+ years corporate development and strategy.

Joel Long

Joel Long

VP and General Counsel

Joined IWS in October 2023.

20+ years experience representing construction companies and concerns.

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Jeb Lyne

Vice President of Production

Joined IWS in June, 2024.

20 years experience operations and leadership roles including PwC and KPMG.

Performance Management Team Culture

We're a team dedicated to unlocking everyone's potential.

We believe in open and honest conversations, setting clear expectations, and offering continuous support. Our focus is on creating a space where people feel valued, challenged, and empowered to grow. Together, we foster a culture of high performance by celebrating successes, learning from setbacks, and aligning individual goals with the broad organization vision.