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James Devlin

Chairman of the Board and Chief Executive Officer

Mr. Devlin is a seasoned operating executive and investor with directly relevant industry knowledge and experience in waste management and environmental services industries. He has broad management experience as well as a proven track record of successful acquisitions and integrations. Mr. Devlin most recently served as Chief Executive Officer for Valicor Environmental Services. Valicor was the largest company in the U.S. specializing in the collection, transportation and treatment of non-hazardous industrial wastewater, in addition to providing other services, such as product destruction, recycling and waste oil collection and processing. Before Valicor, he also served as Chief Executive Officer for ReCommunity Recycling, which was the largest independent processor of municipally generated curbside recyclables in the U.S. Before ReCommunity, James served as the Chief Executive Officer for Thermo Fluids Inc., which was the 3rd largest collector and processor of used motor oil in the U.S.

Mr. Devlin joined the Board of Directors for Aperion’s portfolio Company Tri Con Works, which is a leading provider of landfill gas system construction projects and industrial construction projects, via their Diamondback construction division.

John Freebody

Chief Financial Officer

John Freebody joined Inframark as Chief Financial Officer in March 2015. John joined us from G4S, a world leader in Security Solutions where he performed the role of Regional Finance Director for Northern and Western Europe. He managed a portfolio of nine different businesses gaining extensive business process and transformation experience. Previously he has spent several years at Bunzl Plc, a FTSE 100 outsourcing and distribution business performing a variety of finance roles including European Financial Controller. John is originally from London and studied Biological Sciences at the University of Warwick before embarking upon a career in finance. He qualified as a chartered accountant with Deloitte in 2003 before moving into industry and commerce.

Gregory Guard

Chief Growth Officer

Gregory (Greg) Guard is the Chief Growth Officer and is responsible for growing all aspects of Inframark’s business across its three divisions — Water Infrastructure Operations, Infrastructure Management Services (IMS), and Supervisory Control and Data Acquisition (SCADA) Technologies. 

Prior to joining Inframark, Greg was the CEO of CLEARAS Water Recovery, an early-stage, sustainable water treatment technology company, where he repositioned the company and drove it to profitability.  Before CLEARAS, Greg held the roles of President and Senior Vice President of Global Sales at JWC Environmental, a $100M wastewater treatment equipment company.  Greg was a key member of the management team that improved and packaged the company for sale from Windjammer Capital to Sulzer in 2018.  From 2010-2012, Greg was the Chief Marketing and Sales Officer at Thermo Fluids, which at the time was the third-most prominent collector and processor of waste oil in the U.S.  He was a key member of the team that improved and sold Thermo Fluids from CIVC Capital to Heckman Corporation in 2012.  Prior to Greg’s successful private equity career, he was the Vice President of Sales and Marketing for a $3B division of Waste Management Inc.  Greg started his career at Waste Management as a territory salesperson.  He earned a bachelor’s degree at UCLA.

He lives in Huntington Beach, CA, with his wife and three daughters.  He enjoys surfing, backpacking, fly fishing and playing guitar.



Daniel Groselle is Chief Executive Officer of Contract Operations, a role he assumed after the merger of Inframark and ESG Operations in October 2021. In a career that spans more than 37 years, Mr. Groselle Cofounded ESG and spent the last 20 years leading the effort to build the company into one of the largest and most respected utility operations and maintenance companies in North America. Prior to this he spent nearly two decades with CH2M Hill (now Jacobs Engineering) as a leader in their O&M division. Mr. Groselle has been closely involved in the planning, design, construction, and operation of over 200 water and wastewater facilities for both municipal and private-sector clients. Additionally, he has extensive experience in planning, designing, implementing, and operating effluent and biosolids reuse and disposal systems for municipal and industrial treatment and processing facilities. He received his M.S. and B.S. degrees in Engineering from the University of Georgia and is a registered Professional Engineer.

John Eddlemon

Executive Vice President, Contract Operations

John Eddlemon is Executive Vice President, Contract Operations, a role he assumed after the merger of Inframark and ESG in October 2021. He leads a team of over 1,800 professionals across the U.S., managing more than 100 utility and infrastructure projects. Mr. Eddlemon has more than 25 years of experience in the water and wastewater industry, including positions at Veolia North America and CH2M Hill (now Jacobs Engineering). He has in-depth knowledge of many aspects of water and wastewater treatment processes, with a solid background in plant design, construction management, operations, and project controls. Mr. Eddlemon also has been involved in the planning, design, construction, and operation of more than 200 water and wastewater systems throughout the U.S. He holds a B.S. degree in Natural Resources Engineering and an M.S. degree in Water Resources Engineering from the University of Connecticut, as well as an M.B.A. from the University of Georgia.

Todd Burrer

Vice President, Texas Municipal Utility Districts (MUDs)

Todd A. Burrer is Vice President of Texas MUD’s for Inframark. He has over 20 years of management experience in the area of operations, customer service, and billing within the water and wastewater industry. His responsibilities have included overall financial, operational, and compliance for the Texas municipal utility district business.

At Inframark, he is the leader of the senior level management team charged with managing day-to-day operations for the Texas MUD Region with over 400 employees, 180 utility districts, and 128 water and wastewater facilities that serve over 400,000 Texans.

A fifth-generation Houstonian, he earned his BME from Texas Christian University and has completed numerous courses in water and wastewater operations, utility management, and other related areas.

Actively involved in the Association of Water Board Directors, he currently serves as a member of the Program and Legislative committees as well as the Advisory Council. He served as Chairman of the Vendor Relations Committee from 1999 to 2020 and as a trustee for 6 consecutive years. He currently chairs the Operations and Environment Committee.

He is Chairman of the Greens Bayou Coalition and serves on the Board of Directors for the West Houston Association and the Cy-Fair Educational Foundation. Previous community positions include service to the Board of Directors of the Cy-Fair Volunteer Fire Department, the Board of Directors of Harris County MUD No. 489, and Harris County MUD No. 374.

In 2020, Todd was asked to serve as a regional representative for San Jacinto County on the Texas Water Development Board (TWDB) regional flood planning groups. This planning group will be responsible for developing Texas’ first regional flood plans by January 2023, which will culminate in the state’s first-ever state flood plan.

He and his wife Amy attend Lakewood UMC in Tomball, TX, where he serves as Director of Instrumental Music.

Jim Irwin

Vice President of Corporate Development

Mr. Irwin joined Inframark as Vice President of Corporate Development in October 2021. He is responsible for leading all facets of the company’s inorganic growth efforts, including crafting the Company’s mergers and acquisitions (M&A) priorities and executing the full lifecycle of M&A activities. Mr. Irwin brings 25+ years of experience to his role in the areas of strategy, innovation, M&A, global operations, and corporate finance. He was most recently a Managing Director with Citizens Capital Markets, where he led the Buyside Advisory Practice, assisting multibillion-dollar corporate and private equity clients to fulfill their acquisition objectives. Before that, he was Senior Vice President of Corporate Development and M&A for Evoqua Water Technologies, and Vice President of Business Development for A. Schulman, Inc. Mr. Irwin earned a bachelor’s degree in business administration from the University of Toledo and an MBA from Case Western Reserve University.

Chris Tarase

Vice President Infrastructure Management Services

Chris Tarase, Vice President Infrastructure Management Services, holds a Bachelor’s Degree in Business Management and has been providing Leadership and Service Excellence across multiple industries for over 20 years. He leads a team of over 250 professionals across the South and Southeast. He is based out of the Corporate office in Houston.

The IMS Region provides management, financial, accounting, lifestyle, and field/maintenance services to Homeowner Associations, Commercial Associations, Community Development Districts (CDDs), Special Districts, and municipalities throughout Florida and Texas.

Chris leads all aspects of the IMS business including customer care, operations, accounting and finance teams, compliance, business development, client relations. He holds his CMCA and LCAM licenses to support the HOA business. He is fully engaged with all M&A activity within the IMS region of Inframark.

Marnie Vaughan

Vice President of Human Resources

Currently Vice President of Human Resources, Marnie has been with Inframark since 2008. She has worked in the HR field for 20 years, with a background specializing in benefits and compensation. She obtained her CEBS (Certified Employee Benefit Specialist) designation in 2006 and has been active as an Officer of the Greater Philadelphia Chapter of ISCEBS since 2007. She serves as a Board Member for the Greater Philadelphia Business Coalition on Health and through that partnership was a 2017 Bruce Bradley Fellow with The Leapfrog Group. In 2016 she was named a Top 50 Benefits Technology Innovator by Employee Benefit News magazine; was a 2017 nominee for Delaware Valley HR Person of the Year; and led the Inframark Human Resources Department as finalists for 2019 Delaware Valley HR Department of the Year. Marnie obtained her B.A. in General Studies from Indiana University in Bloomington, Indiana, and recently completed an Executive MBA with Quantic School of Business and Technology.