William Dean

Cosentini has a 70+ year history of engineering many of the world’s most iconic buildings. Our unparalleled combination of engineering expertise and innovation has inspired architects and owners throughout the world to entrust the firm with many of the greatest buildings of the 20th and 21st centuries. The firm has a vast portfolio of work in engineering innovative, energy-efficient, and environmentally conscious designs. Cosentini’s leaders are industry experts, problem-solvers, and visionaries who create long-lasting relationships with clients and deliver the best possible solutions. We work to improve the built environment every day. Cosentini Associates provides MEP/FP (HVAC, Electrical, Plumbing, Fire Protection), Information Technologies (IT/AV/Security), Lighting Design, Sustainability Consulting (LEED, WELL, Passive House, Net Zero, Carbon Reduction), Energy Modeling, Commissioning, and Code and Fire Engineering services. Our diverse portfolio includes commercial office, residential, mixed-use, education, healthcare, cultural, hospitality and public buildings. As part of Tetra Tech’s High Performance Buildings Group, we bring together the expertise of talented engineers, commissioning agents, and energy analysts from around the world. Our reputation rests on the technical expertise and dedication of our employees – 24,000 people working together across disciplines and time zones to provide smart, sustainable solutions for challenging projects. Tetra Tech combines the resources of a global, multibillion-dollar company with local, client-focused delivery in 450 locations around the world. We are Better Together—Powered by Innovation.