A team of experienced and entreprenuerial-minded leaders keep us focused on our mission, visions and values —  so that we stay focused on delivering on the promises we make to our customers.

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Leading us to the next great Milestone

The current leadership of Milestone Environmental Services reflect the entrepreneurial spirit that bred the company 20 years ago. They bring a responsible layer of accomplished management to our established reputation for dependability and integrity. They are eager to work with our customers to find the right solution — for both the bottom line and the environment.

Gabriel J. Rio

President & Chief Executive Officer

Gabriel has over a decade of experience in oil and gas environmental services industry. He is currently the President & CEO of Milestone Environmental Services, LLC. Prior to leading Milestone, Gabriel worked as an Operating Partner with Intervale Capital, an oilfield-focused private equity fund with $1.2 billion in assets under management, and a key investor in Milestone. He was previously the Executive Vice President of Strategy and Business Development for R360 Environmental Solutions, Inc., a national provider of environmental services to the E&P industry. At R360, Gabriel orchestrated the strategy and mergers and acquisitions work which led to the formation and rapid growth of the company, and directly managed Williston Basin operations. After R360 completed a $1.3 billion sale to Waste Connections, Inc., Gabriel assumed work with the buyer to help with the integration of the R360 business into Waste Connections. Prior to R360's formation in 2010, he was an investment professional with Three Cities Research, Inc., a mid-market private equity firm, where he was principally responsible for US Liquids of LA, LP, a regional oilfield waste treatment and disposal provider in Louisiana and Texas.

Earlier in his career, Gabriel worked as an Associate Equity Research Analyst covering the global chemical industry at UBS Investment Bank, as a Petroleum Practice Fellow with McKinsey & Company a global strategy consultancy, and as an Associate at Purvin & Gertz, a Houston-based oil and gas consultancy. Gabriel holds a Bachelor’s Degree in Chemical Engineering from the University of Texas at Austin.

Gabriel lives in Houston with his wife Mona, two young daughters, and great dane. He is also heavily involved in the Houston Symphony, where he sits on the Board of Trustees.

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Frank Schageman

Executive Vice President, Chief Financial Officer

Frank is responsible for the financial aspects of Milestone Environmental Services. Prior to Milestone, Frank was an operating partner at OFS Energy Fund where he assisted the OFS team and its management partners with operational guidance and strategic oversight. Before OFS, Frank was Executive Vice President & Chief Financial Officer of R360 Environmental Solutions, Inc., a $300 million revenue oilfield waste treatment, recycling and disposal business and portfolio company of Paine + Partners and Tinicum Capital. Frank managed all financial aspects of the business including shareholder relationships, corporate development, accounting, risk management, tax, stakeholder relations and banking. R360 was sold to Waste Connections, Inc. in October 2012. Before R360, Frank was chief financial officer for OFS Energy Services, a portfolio company of ArcLight Capital, where he managed all financial matters for a business that doubled in size during his tenure. OFS was sold in late-2010 to Houston-based Key Energy Services (NYSE-KEG). Frank spent 16 years with Wells Fargo directing the bank’s Oilfield Services & Manufacturing segment of Wells Fargo’s Energy Banking Group and all commercial banking activities in the Houston region.

Frank achieved his BBA from Texas A&M University and his MBA from The University of Texas. He enjoys spending time with his two children, competing in triathalons, snow skiing and traveling.

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Kevin Matte

Senior Vice President of Operations & HSE

Kevin has spent the majority of his career providing Risk Management services for portfolio accounts in the Oil & Gas service space. Prior to Milestone, Kevin served as the VP of HSE at R360 Environmental Solutions where he developed a best-in-class HSE program for all companies operating under the R360 umbrella throughout the U.S. Before that, Kevin was the VP of Operations & HSE at US Liquids in Louisiana. There, he designed a comprehensive HSE program from the ground-up, while overseeing the company’s Marine Operations Division throughout LA and TX. Kevin has earned degrees in Fire Science, Risk Management and Occupational Safety & Health from Louisiana State and Eastern Kentucky Universities.

He enjoys hunting, fishing, golf and spending time with his wife and two kids in Louisiana.

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