Water

For more information about our water solutions and services, the following team members are available for contact:

Corporate Market Leaders

	George B. Rest, PE Corporate Municipal Programs Phone: (301) 731-1162 Ext. 162 Email: RestGB@obg.com MS/Sanitary Engineering; Syracuse University BS/Civil Engineering; Union College
Areas of Expertise: Mr. Rest serves as Senior Vice President of O’Brien & Gere’s Total Water Solutions Group. With over 30 years of professional engineering experience, Mr. Rest assumes responsibility for directing comprehensive water and wastewater programs for large and small municipalities, authorities, and privately owned utilities. Mr. Rest has extensive experience in water-related projects, with particular expertise in water treatment/water quality (over 1 billion gallons/day in treatment facilities), master planning, hydraulics/pumping, water supply development, and water distribution/transmission/storage. Mr. Rest applies his knowledge to a wide variety of programs involving state-of-the-art technology, regional planning, decision modeling, design and construction, and optimization.
	Donald E. Stone, PE Corporate Industrial Programs Phone: (770) 205-4788 Ext. 12 Email: StoneDE@obg.com BS/Civil Engineering
Areas of Expertise: Mr. Stone has more than 28 years of professional engineering experience. As a Business Unit Leader for Total Water Solutions, he supervises teams of professionals engaged in a variety of large, complex projects for institutional, industrial, municipal and federal clients. He has been leading technical teams within these markets through design, constructions, and design-build contracting approaches.
	Robert B. Keyser, PE Corporate Federal Programs Phone: (251) 463-5340 Email: KeyserRB@obg.com MA/National Resource Strategy; Industrial College of the Armed Forces MS/Construction Management; University of Florida BS//United States Military Academy
Areas of Expertise: Mr. Keyser leads O’Brien & Gere’s Corporate Federal Programs. He has more than 28 years of experience in engineering, 26 in federal service as an Army Engineer Officer, including service as a construction program manager on the Army Staff in Washington and as Commander of the Corps of Engineers Districts in Philadelphia and Mobile. His experience in conducting military construction, operations, and maintenance projects for the Army, as well as executing projects on behalf of the Army, Air Force, Department of State, and USAID provide Mr. Keyser with capabilities that can assist clients in developing both technical and funding solutions for their water and wastewater challenges.
Regional Market Leaders

	Richard E. Gell, PE Northeast Regional Manager Phone: (315) 437-6100 Ext. 2471 Email: GellRE@obg.com BS/Civil Engineering; Syracuse University
Areas of Expertise: Mr. Gell’s comprehensive experience in municipal and industrial water resources ranges from source development to evaluation of distribution systems. He has directed a number of water resources projects in major cities and small communities. His experience includes design, construction review, and inspection. Mr. Gell has served as project manager on programs involving: master plans, water system modeling, source development, hydraulic analysis, pilot studies, water treatment facility design, water treatment, process evaluations, pumping stations, water transmission and storage, instrumentation and emergency planning, process control, sludge management, corrosion control, surge analysis and water rate analysis.
	Lowell A. Kachalsky, PE Metro Regional Manager Phone: (914) 345-1616 Ext. 11 Email: KachalLA@obg.com MEng/Environmental Engineering; Manhattan College BEng/Civil Engineering; Manhattan College
Areas of Expertise: Mr. Kachalsky leads O'Brien & Gere's Metro New York region Total Water Solutions team. He has nearly 30 years of experience with wastewater and water programs, both large and small. His particular technical skills include hydraulics, membranes, wet weather programs, facility planning, design, and construction. Mr. Kachalsky led the first study of membrane technology for wastewater effluent treatment in the New York City Watershed, and has successfully managed engineering programs valued in the tens of millions of dollars.
	Robert J. Dudley, PE Mid-Atlantic Regional Manager Phone: (301) 731-5622 Ext. 161 Email: DudleyRJ@obg.com BS/Civil Engineering; University of Maryland
Areas of Expertise: Mr. Dudley has more than 22 years of professional engineering experience that has included studies, planning, and design of potable water treatment, distribution, and storage facilities; residual handling and disposal; and wastewater collection and pumping facilities.
	Thomas E. Dumm, PE Mid-Atlantic Regional Manager Phone: (301) 731-5622 Ext. 160 Email: DummTE@obg.com MS/Water Resources Engineering; George Washington University BS/Civil Engineering; Pennsylvania State University
Areas of Expertise: Mr. Dumm is a licensed Professional Engineer in Pennsylvania and Virginia with over 19 years of experience, primarily focused on water supply and water/wastewater system planning. Mr. Dumm has managed and served as lead engineer on numerous large and small water resource projects. He has worked extensively with regulatory personnel at the US Army Corps of Engineers, state permitting agencies, and resource agencies on permitting new water supplies. Mr. Dumm's water resource planning projects have included extensive investigations of existing and proposed surface and ground water supply sources; including complex hydrologic modeling of safe yields/synergistic operation of river and reservoir systems; water supply permitting; water quality sampling and modeling; water demand projections; consolidation of treatment facilities; pumping station siting, sizing, and condition assessments; hydraulic modeling of distribution systems; cost estimating; and prioritizing capital projects.
	M. Robin Chasman, PE Southeast Regional Manager Phone: (706) 548-4881Ext. 203 Email: ChasmaMR@obg.com BSME/Mechanical Engineering; Ohio University, OH
Areas of Expertise: Mr. Chasman currently directs municipal business development for O'Brien & Gere's Southeast region, which includes state / local governments, the higher education / institutional sectors, and the transportation industry. Mr. Chasman has 40 years of engineering experience, including 25 years as owner of a regional civil and environmental engineering and consulting firm. Mr. Chasman's experience has focused primarily on planning, design, and permitting of infrastructure improvements for local, state, and federal government. In particular, Mr. Chasman has extensive experience in transportation, water and wastewater, storm water, and capital improvements planning.
	Ray P. Elliott, M.S. Midwest Regional Manager- Industrial Phone: (248) 477-5701 Ext. 33 Email: ElliotRP@obg.com MS/ Environmental Health Sciences; University of Michigan BA/ Geography & Environmental Science; University of Delaware
Areas of Expertise: Mr. Elliott leads the business development efforts for the upper Midwest region, managing industrial accounts in the Detroit metro area and the upper Midwest states, including Michigan, Ohio, Illinois and Indiana. He has over 20 years of combined experience in the A/E industry and has managed a diverse variety of process water and wastewater treatment projects in the automotive and transportation, pharmaceutical, pulp & paper, food & beverage, chemical, iron and steel, and other manufacturing industries. Mr. Elliott’s past work experience includes strategic marketing, sales and new business development, account and project management, client services, and regional office operations management. He is responsible for strategic market development, project scope definition, cost estimating and budgetary control, project and account administration, and client relationship management.
	Peter J. Gibbons West Regional Manager Phone: (860) 388-3004 Email: GibbonPJ@obg.com Civil Engineering; University of New Haven, CT
Areas of Expertise: Mr. Gibbons has more than 38 years of professional experience in the areas of municipal, civil, and sanitary engineering programs. He currently serves as a Vice President and the Municipal Business Development Officer with O’Brien & Gere. Mr. Gibbons is responsible for the firm’s marketing, business development, and customer service to municipal clients throughout the country, and his areas of expertise include water transmission, distribution, and treatment; wastewater collection, conveyance, and treatment; and storm water management and design. With a thorough understanding of issues inherent to municipal and state projects, Mr. Gibbons has helped numerous clients meet their goals by incorporating cost-effective technologies and innovations.