Principals

Lynn G. Bellenger, PE, LEED AP

Mrs. Bellenger is a professional engineer registered in New York, Michigan and Massachusetts. With more than 30 years of experience in Energy Engineering, she pioneered techniques that are widely used today, such as redesigning and rebalancing HVAC systems to meet actual cooling loads. A specialized area of expertise, energy services focuses on identifying, analyzing, and designing measures to reduce operation expenses. She has extensive experience in conducting comprehensive energy audits to evaluate building energy use and analyze retrofit options.

Mrs. Bellenger is a vice president and an active member of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), an international engineering society with 50,000 members.

Nancy Jendryaszek, AIA, LEED AP

Mrs. Jendryaszek has more than 30 years of industrial facility engineering and architecture experience as a project architect and project manager. She has dedicated herself to working for industrial and corporate clients as a liaison to their engineering and maintenance departments.

Mrs. Jendryaszek has been responsible for: project management, client development, supervision of project teams, directing architectural design and multi-discipline coordination, preparation of construction documents, quality reviews, construction administration and project budgets. Specializing in renovation work, typical projects include: cleanrooms, laboratories, office renovations, ADA accessibility upgrades, computer rooms, material storage systems, warehousing, docks, manufacturing/production lines and installation or relocation of specialized equipment in manufacturing facilities.

David L. Klock, PE, LEED AP

Mr. Klock has more than 30 years of experience in the consulting engineering field. He has provided leadership in all aspects of electrical design, staff development, project management, quality control and multi-disciplined coordination.

As a project manager, he has completed multi-disciplined projects for industrial, institutional, and commercial clients locally and across the state. He has designed UPS systems for data centers as well as specialty lighting and controls for operations centers and auditoriums. Mr. Klock has also been involved in developing the small system cogeneration sites, complementing Pathfinder’s energy services expertise.

David J. Meyer, PE, LEED AP

Mr. Meyer is a licensed professional engineer registered in New York, Massachusetts and Utah with nearly 30 years of mechanical engineering and management experience. Mr. Meyer's technical abilities are demonstrated by his experience as project manager and design engineer for various industrial facilities, specialty environments, health care and institutional facilities. As the leader of design teams, he has been responsible for multi-disciplined coordination and construction document production, contract preparation, and client negotiations.

His project experience includes various applications of HVAC systems, plumbing, fire protection, energy management systems, chillers, steam and hot water boilers, air compressors, and RO/DI water systems. Projects have included renovations, additions, laboratories and special environments.