Our “Owner’s Engineers” who provide engineering leadership.


Thomas Tsaros, PEtom-tsaros-sepia

Associate Principal/Senior Project Manager

Tom brings a strong technical and leadership background from over 20 years of experience as a developer and engineer in the energy services industry. As Market Leader, his mission is to identify, cultivate and implement projects and programs to improve our clients’ building infrastructure while reducing and controlling energy costs. Tom is adept at identifying and prioritizing the needs of our clients, while managing the entire project cycle to bring projects to successful completion. He works in concert with developers, engineers, contractors, and utilities to maximize the value of each project.

  • BS & MS, Mechanical Engineering, University of Massachusetts Lowell

Jason Butler, PE

Associate Principal/Senior Project Manager

As a Senior Associate within the firm, Jason also acts as a Senior Project Manager, having overall leadership and supervision of a project by defining the project, making sure it conforms to the contractual agreement the firm has made to the client, coordinating and monitoring the work and delivering a final project on time and within the prescribed budget.  He has extensive experience in electrical investigation as well as the design and construction for a broad range of facilities, with a particular focus on healthcare facilities.

  • BS, Electrical Engineering, Worcester Polytechnic Institute

Matthew Merli, PE, LEED AP BD+C

Senior Associate/Project Manager

In his role as Project Manager, Matt serves as the overall supervisor of a project and the primary contact to clients throughout project development. He understands all phases of a particular project, coordinating closely with the entire project team, both internal and external. He has extensive experience in mechanical investigation as well as the design and construction for a broad range of facilities, with a particular focus on academic facilities.

  • BS, Mechanical Engineering, University of Massachusetts

Matthew Wheeler, PE, CxA, LEED AP

Associate/Project Manager/Commissioning Market Leader

As a firm Associate, Matt is also a Project Manager and Market Leader for the Commissioning team. His approach to commissioning focuses around his operational background.  Shipboard engine room maintenance and landside power generation facility operations work have enabled him to commission through a facility’s staff’s point of view as well as an owner’s. His focus as Project Manager is to leave the owner and maintenance staff with an efficiently operating building that meets all required design criteria and provides a high level of physical comfort to all of its occupants and staff. As the Market Leader, Matt plays a key role in overall firm’s Business Development, including lead development, lead management, pre-proposal contacts, proposal preparation and presentations, client maintenance and Marketing and Business Development leadership for the market.

  • BS, Marine Engineering, Massachusetts Maritime Academy
  • MS, Mechanical Engineering, Northeastern University

Terence R. Boland, PE, LEED AP

Senior Associate/Lead Mechanical Project Engineer

Terry has complete responsibility for the mechanical systems of a project from schematic design through construction administration and he consistently incorporates innovative resources to exceed client expectations. Terry works closely with the Project Managers and other Lead Project Engineers to ensure timely, cost effective completion of a project while communicating progress regularly with the project’s Principal-in-Charge. Terry also manages and develops engineering standards within and across the project’s internal and external team members.

  • BS, Mechanical Engineering, Syracuse University

Cameron Bellao, PE, LEED AP

Senior Associate/Lead Electrical Project Engineer

Cam has a diverse project-based background that includes lead electrical engineering and project management. As a Lead Project Engineer, he acts as the discipline head within the project team. He prepares budgets and schedules and monitors project progress and costs with the Project Managers.

  • BS, Electrical Engineering, Merrimack College

Daniel Melish, PE 

Project Manager

Dan has over 12 years of experience in the design, analysis and construction administration of complex HVAC systems for healthcare, commercial, industrial, academic, justice and residential properties. He has a proven history of timely delivery, with an ability to foresee bottlenecks and coordination change. As a Project Manager, Dan ensures that all client requirements are met by developing a strong client relationship, from project inception through construction closeout. He is licensed in Massachusetts, Connecticut and Georgia.

  • BS, Mechanical Engineering, University of Massachusetts

Joshua Smith, PE

Senior Project Manager

With over 20 years of experience, Josh is a Senior Project Manager who has been responsible for all aspects of project HVAC design. Josh oversees completion of all of a project’s engineering work, tracking and planning the workloads of the project’s design engineer team. Josh’s experience includes new construction and renovation projects in the healthcare, retail and institutional sectors.

  • BS, Mechanical Engineering, Northeastern University