Our Team

Mark Hemingway

Mark T. Hemingway, PE

Principal Mechanical Engineer
Mark is one of the founding partners of Sterling. Mark is responsible for investigating, designing, and commissioning heating, ventilation, air conditioning, plumbing, process, and fire suppression systems. Mark’s experience includes work in: tight-tolerance clean rooms down to class 10, metrology labs, industrial process facilities, biomedical, biotechnical, and pharmaceutical research laboratories, central computer rooms, hospitals, universities, high-rise office buildings, and digital switching stations. He also has significant experience with central plant systems (heating and cooling), fire pumps, specialty gas, liquid and exhaust distribution systems, explosion venting, and noise and vibration control. Mark received his B.S. in Mechanical Engineering from the University of Massachusetts in Amherst, MA.


Joe-Hultquist

Joseph T. Hultquist, PE

Principal Electrical Engineer
Joe is one of the founding partners of Sterling. Joe is responsible for investigating, designing, and commissioning electrical and life safety systems. Joe’s experience includes: tight-tolerance clean rooms down to class 100, metrology labs, biomedical, biotechnical, and pharmaceutical research laboratories, computer rooms, hospitals and medical clinics, industrial process facilities, universities, and high-rise office buildings. He also has significant experience with low and medium voltage distribution, emergency and standby power systems, new service and switchgear, and central fire alarm systems. Joe received his B.S. in Electrical Engineering from the University of Rhode Island, in Kingston, RI.


Jenn Morrison

Jennifer V. Morrison-Dominguez

President
As one of the founding partners of Sterling Engineering, Jenn is responsible for all aspects of business management and operations. Her work experience includes public relations, advertising, business-to-business marketing, direct sales, and business operations. In addition to running the daily operations at Sterling, Jennifer is responsible for accounting and finance functions, client relationship management, risk management and contract negotiations, personnel, and strategic planning.


Thomas L. Kearney

Tom Kearney

Senior Electrical Engineer
Tom joined Sterling in October of 2007. He comes with more than 20 years of engineering experience including power, lighting, fire alarm and telecommunications for a variety of commercial, industrial and educational clients. Tom received his BSEE from University of New Haven in West Haven, CT. Prior to embarking upon his engineering career, Tom started out as an electrical apprentice working in general construction.


Tim Heno

Tim Heno

Jr. Mechanical Engineer
Tim joined Sterling in the spring of 2016 as a recent graduate of the University of Maine with his Bachelor’s in Mechanical Engineering Technology. Tim brings with him several years of hands-on experience in the plumbing trade that informs his ability to understand mechanical and plumbing systems and see beyond the paper. Tim is rapidly expanding his skill set and taking greater project responsibility as he broadens his experience in a variety of project types including large-scale mechanical, plumbing and fire protection systems serving biomedical research and cleanroom applications.


Jan Ruggeri

Janine Ruggeri

Sr. Mechanical Designer
Jan has been with Sterling Engineering since 1999. During her tenure she has worked on a variety of projects, including: biomedical and pharmaceutical research facilities, cleanroom production areas for semiconductor component manufacturing, low noise labs including metrology areas, industrial processing facilities, central fire pump systems, architecture studios, educational offices and classrooms, banks, and dining facilities. As a senior mechanical designer Jan is responsible for distribution layout and sizing of air and fluid systems; heating and cooling load calculations; geometric coordination of mechanical services and equipment; component selection for fans, pumps, and terminal devices.


Carol-Andrighetti

Carol Andrighetti

Sr. Electrical Designer
Carol has more than 20 years of electrical design and drafting experience and is a member of the National Fire Protection Association (NFPA). Her work experience includes biomedical and pharmaceutical research facilities, educational offices and classrooms and mid- and high-rise residence halls. As a senior designer Carol is responsible for designing and routing electrical and life safety systems, geometric coordination of electrical services and equipment, supporting the engineer in selecting major electrical equipment and accessories.


Rick-Gardner

Richard Gardner

Sr. Mechanical Designer
Rick is Sterling’s site lead and is responsible for design layout of HVAC, plumbing and fire suppression systems and geometric coordination of mechanical services and equipment. His career spans more than 30 years in the construction industry. His site responsibilities include in-the-field verification of the built environment as well as documenting the as-built condition. Rick’s work includes: biomedical and pharmaceutical research labs, cleanrooms, industrial processing facilities, and university campus facilities.