Wet Weather

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

Corporate Market Leaders

	Peter J. Gibbons Corporate Municipal Programs 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.
	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

	Dwight A. MacArthur, PE Northeast Regional Manager Phone: (315) 437-6100 Ext. 2357 Email: MacArtDA@obg.com BS/Civil Engineering; University of Maine
Areas of Expertise: Mr. MacArthur has more than 36 years of professional engineering experience, and currently serves as a Senior Technical Director with O’Brien & Gere. He has served as lead design manager or technical consultant on numerous comprehensive municipal and industrial wastewater programs. Through his involvement in such programs over the last two decades, Mr. MacArthur has become a nationally recognized expert in the evaluation of existing systems, impact analysis of combined sewer overflow (CSO) on water quality, infiltration/ inflow analyses, field data gathering methodologies and procedures, evaluation of alternatives, implementation of selected remedies, and evaluation of effectiveness of implemented alternatives.
	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.
	Timothy W. Kraus, PE Midwest Regional Manager Phone: (502) 587-7884 Ext. 24 Email: KrausTW@obg.com BS/Civil Engineering; University of Louisville Speed Scientific School MEng./Civil Engineering; University of Louisville Speed Scientific School
Areas of Expertise: Mr. Kraus leads O'Brien & Gere's Midwest region Total Water Solutions team. He has over 20 years of experience with wastewater programs. Prior to O’Brien & Gere, Mr. Kraus worked at a major municipality overseeing their combined sewer overflow and sanitary sewer overflow programs. Mr. Kraus's technical expertise includes wet weather program management, hydraulics, flow monitoring, and design. He is responsible for developing new business in these areas, as well as for managing the work in the Louisville and Lexington, Kentucky offices. Mr. Kraus is an active member of the Water Environment Federation Collection System Committee.
	Robert E. Bell, Jr., PE Mid-Atlantic Regional Manager Phone: (804) 270-3515 E xt. 17 Email: BellRE@obg.com BS/Engineering Technology; University of Central Florida
Areas of Expertise: Mr. Bell has more than 21 years of professional engineering experience and has the responsibility of directing wet weather programs including CSO, SSO, and storm water projects. He has managed projects for both the industrial and municipal sectors, and has acquired extensive experience in performing utility evaluation studies, wet weather management strategies, preliminary and final designs, rehabilitation design, and preparation of contract documents. Mr. Bell’s experience includes regulatory negotiation and the application of trenchless technologies to rehabilitate deteriorated utility systems.
	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.
Technology Market Leader

	Dwight A. MacArthur, PE Technical Director Phone: (315) 437-6100 Ext. 2357 Email: MacArtDA@obg.com BS/Civil Engineering; University of Maine
Areas of Expertise: Mr. MacArthur has more than 36 years of professional engineering experience, and currently serves as a Senior Technical Director with O’Brien & Gere. He has served as lead design manager or technical consultant on numerous comprehensive municipal and industrial wastewater programs. Through his involvement in such programs over the last two decades, Mr. MacArthur has become a nationally recognized expert in the evaluation of existing systems, impact analysis of combined sewer overflow (CSO) on water quality, infiltration/ inflow analyses, field data gathering methodologies and procedures, evaluation of alternatives, implementation of selected remedies, and evaluation of effectiveness of implemented alternatives.
	Joseph P. Conti, PE Project Associate Phone: (706) 205-4788 Ext. 13 Email: ContiJ@obg.com BS/1998/Civil Engineering; Villanova University
Areas of Expertise: Mr. Conti has more than 10 years of experience in the area of municipal water and wastewater programs. As a Project Associate with O’Brien & Gere, Mr. Conti is currently responsible for delegating technical and administrative responsibilities to engineers, designers, and drafters on major complex and diverse projects. He assumes an active role in the selection of the project team, prepares and administers project budgets and schedules for projects under his supervision, and may also assist in the evaluation and selection of project contractors. Mr. Conti also maintains a close relationship with clients during the study, design, and construction phases of a project, and continues client contact following project completion.