Our team members are our greatest assets. With a combined 350 years of water treatment experience, we collectively value sustainability, innovation, collaboration, and customer satisfaction.
President / Owner
Vice President New Products Division
Warren Mathieu, an expert in reverse osmosis water treatment and ion exchange resin systems, is the Vice President of the New Equipment Division at WaterSurplus. Since joining WaterSurplus in 2000, Warren has developed partnerships with original equipment manufacturers allowing WaterSurplus to stock and showcase hundreds of new products.
Prior to joining WaterSurplus, Warren was Regional Sales Manager at both U.S. Filter and Sybron Chemicals working in Sales and Accounting at Illinois Water Treatment. Warren earned a B.S. in Business Administration and Accounting at Rockford University.
Dileep Agnihotri, PhD
Chief Technology Officer & Beverage Division Lead
Dr. Agnihotri is an expert in a multitude of water related technologies such as water-chemistry, membrane-based ultrafiltration or reverse-osmosis, high-recovery and high-efficiency beverage water-rooms and produced water treatment. At WaterSurplus, Dr. Agnihotri serves multiple team leader roles including application and process engineering, beverage division operations, technology innovations, research, and product development.
Prior to WaterSurplus, Dileep founded Advanced Hydro, Inc. where he developed and commercialized a novel membrane technology and integrated turn-key UF/RO systems wastewater treatment in the oil and gas industry and on/off-shore seawater desalination. He has also served as a member of the Board of Directors for Thermo Energy, LLC and a principal at 21 Ventures, LLC, providing capital for technology ventures. He also spent time as a Director at Jordan Valley Semiconductors Inc., where he managed technology and applications development along with strategic and technical product marketing. Dr. Agnihotri holds a PhD in Nuclear Chemistry and a MS in Physical Chemistry from the University of Rochester, NY. He also earned a M.Sc. degree in Physics (Electronics major) from Agra University. He is widely published with 30+ papers, 1000+ citations, and 12+ pending or issued worldwide patents.
Senior Vice President Business Development
Jim Groose, an expert in water chemistry, groundwater treatment, municipal water treatment, and activated carbon and filtration, is the Senior Vice President of Business Development at WaterSurplus. Jim brings his extensive experience in the development of successful programs for the sale and rental of water treatment equipment to WaterSurplus. Jim is responsible for overseeing all sales, marketing and filtration activities for the company. Jim also developed WaterSurplus’s OxiPlus line of NSF-61 certified filter media that provide superior treatment properties for filtration applications.
Vice President of Engineering
Steven Johnson, an experienced engineer with over 30 years of experience working within the processes and water treatment industry, is the Vice President of Engineering at WaterSurplus. Since joining WaterSurplus in 2012, Steven has brought internal infrastructure and procedural processes to business operations and engineering, increasing production efficiency and improving quality. Steven oversees all engineering and works with the production staff in refurbished and new equipment along with managing plant safety. Steven held several management positions at US Filter/Illinois Water Treatment including: Manager of Market Development Specialty Separations Group, Manager of Application Engineering, and Manager of Engineering of the Warren N.J. facility. Steven graduated Summa Cum Laude with a B.S. in Industrial Technology with an emphasis in Product Development.
Vice President Surplus Equipment Division
Jeff Anderson, highly experienced in water treatment equipment, RO membranes, and resin regeneration, is the Vice President of the Surplus Equipment Division at WaterSurplus. Since joining WaterSurplus in 2002, Jeff has been buying and selling surplus water treatment equipment across a wide range of market segments. His customer service skills have helped WaterSurplus develop its valuable network of over 10,000 water professionals in more than 80 countries around the world.
Vice President Rentals & Site Services
Jon Reinke, an expert in water treatment with over 30 years of experience, has served as Vice President of Rentals & Site Services at WaterSurplus since 2017. Jon is responsible for overseeing the sales, applications engineering, and execution of all rental and service projects. He also focuses on the development and implementation of business strategy for these divisions.
Prior to joining WaterSurplus, Jon owned an independent water treatment consulting firm for twenty years. He was also an Applications and Project Engineer at US Filter and Interlake Water Systems and was a Mechanical Designer/Mechanical Engineer at Illinois Water Treatment. Jon earned a B.S. in Mechanical Engineering from Northern Illinois University.
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Craig Hall joined WaterSurplus in 2012 is an expert in surplus equipment procurement. His strengths include asset appraisal, logistics and project management. He also works on overall investment recovery strategies for our larger Fortune 1000 companies, including auctions and consignments.
Craig brings a unique perspective to WaterSurplus that was formed during his 28 years of business experience as the owner and manager of Lobdell & Hall, Inc., a real estate development company in Rockford, Illinois. Craig earned a B. B. A. in Real Estate and Urban Land Economics; Finance, Investment and Banking from the University of Wisconsin – Madison.
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