Key Personnel


Gregory W. Cheney, P.E. - Executive Vice President/Principal

Greg directs and reviews all of the engineering and design work and oversees project management, construction administration and other technical services for LJM as requested by clients and owners. Greg brings over 25 years of experience in engineering design and project management directly for large industrial owners as well as for mid-sized engineering firms with an emphasis on HVAC design and installation.

Greg holds a B.S. in Mechanical Engineering as well as an M.S. in Engineering Management from Drexel University. He is a licensed professional engineer in New Jersey, Pennsylvania, and Illinois.

Lawrence J. Muse, P.E. - Principal Consultant

Larry provides expertise in HVAC and electrical design for new projects as well as for renovations of various types of buildings including schools, offices, churches, laboratories, computer facilities, banks, hospitals, etc.

Larry earned his B.S. in Mechanical Engineering from NJIT and is a licensed professional engineer in New Jersey, New York, and Maryland.

Milton (Bud) A. Willis - Vice President

Bud is responsible for the preparation of working drawings, specifications, and contract administration. Bud has been providing the firm with mechanical/electrical designs as well as project management for commercial, industrial, educational and healthcare projects for over 35 years. Bud has also completed LEED seminar and training.

Helle-May Cheney - President/Principal

Helle-May is responsible for the overall guidance and direction of the firm, focusing her efforts on Business Administration, Human Resources and Marketing. She comes to the group with a 20 year career in operations and customer service management with large technical service companies.

Helle-May has an Industrial Engineering degree from Lafayette College and an MBA in Operations Management and Marketing from Drexel University.

Rick Macieko, P.E., C.B.C.P. - Mechanical Engineering Consultant

Rick draws on his over 25 years of experience in providing a full range of mechanical engineering design, including HVAC, Plumbing, and Fire Protection.

He is a Certified Building Commissioning Professional and is a licensed professional engineer in New Jersey, New York, Pennsylvania, Maryland, and the U.S. Virgin Islands.