Buffalo Engineering’s principals are dedicated to providing our clients with the highest level of professional services and client service. Our team approach ensures consistent and careful attention throughout all phases of your project.

Our engineering and design resources include a staff of 35 comprised of licensed Professional Engineers, LEED Accredited Professionals, project managers, and MEP designers and technicians, together with Certified Energy Managers, Certified Commissioning Professionals, energy engineers and commissioning specialists. The depth of our senior staffing enables us to manage multiple projects simultaneously and to handle projects on short notice.

The average tenure of our employees is between 10 and 12 years, and several have been with our firm for over 25 years. We take pride in the stability of our workforce, and the confidence and continuity of service this provides to our clients.

Walid S. Daham, PE


President | Principal-in-Charge

Mr. Daham began his electrical engineering career in 1979 and founded Buffalo Engineering in 1990. Under his direction, the firm has built a diverse client base in the public and private sectors and has established a proven record of successful MEP/FP engineering design that is accomplished with quality and responsive professional services. He is licensed in New York, Massachusetts, New Jersey, Pennsylvania, Ohio, Virginia and Florida.

Michael A. Mastrandrea, PE, LEED AP


Principal | Senior Electrical Engineer

With over 31 years of experience, including 26 years with Buffalo Engineering, Mr. Mastrandrea has extensive power, lighting, technology, communication, security and fire alarm system engineering expertise. His specialized knowledge, problem solving abilities, and attention to detail enable him to lead the design of the firm’s most complicated electrical projects. He earned the LEED Accredited Professional designation in 2005. He is licensed in New York State.

Joseph W. Daham, PE


Principal | Senior Mechanical Engineer

Mr. Daham has over 16 years of experience in project management and the design of mechanical systems. His responsibilities include all phases of project scope development, estimating, contract documents, bidding, and services during construction He is knowledgeable in a wide range of mechanical systems including air distribution, hydronic, steam and heat recovery. His capabilities also include fieldwork, site investigations, and coordination with architectural and engineering disciplines and equipment vendors. He is licensed in New York State.

Dante G. Izzo, PE


Principal | Senior Mechanical & Plumbing Engineer

Mr. Izzo began his professional career as a Mechanical Designer with Buffalo Engineering from 2007 to 2010, and he rejoined the firm in 2016. With over 12 years of experience, he has extensive knowledge of a wide range of mechanical systems as well as energy and building management systems. His technical expertise also includes plumbing, site utilities, pressure booster systems, automatic sprinklers and dry chemical systems. He is licensed in New York State.

Brian P. Zintel, PE


Principal | Senior Mechanical Engineer

Mr. Zintel has over eight years of experience in project management and in designing mechanical systems for new construction and renovation projects. He is skilled in HVAC system/equipment application, selection and sizing, including piping and ductwork; building conditioning load analysis and calculation; code analysis, review and compliance; preparation of construction drawings and specifications; reviewing shop drawings; and punch lists. He is licensed in New York State.