Symmes, Maini & McKee Associates (SMMA), a Cambridge architectural firm, has named Martine Dion, Lorraine Finnegan and Jennifer Howe as principals in the firm. Steven Vincent was named a senior associate.

"These four individuals are admired as leaders in the company, and valued as problem solvers by our clients," Ara Krafian, SMMA president and CEO, said in a statement. "I am proud to work alongside Martine, Lorraine, Jennifer and Steve, and look forward to celebrating their ongoing success."

Dion, an 11-year veteran of SMMA, is the firm’s director of sustainable design, a licensed architect and a LEED-accredited professional. She received a bachelor of science in architecture from McGill University in Montreal. Finnegan, who has been with the firm for 19 years, leads the firm’s K-12 studio. She is a licensed architect, a LEED-accredited professional and a graduate of the Limerick Institute of Technology in Limerick, Ireland. Howe, a 13-year veteran of SMMA, leads SMMA’s government studio. She is a professional engineer, a LEED-accredited professional and a graduate of Rensselaer Polytechnic Institute.

Vincent, who joined SMMA in 2010, is a project manager and architect in the firm’s corporate and advanced technology studio. He is a licensed architect and a LEED-accredited professional. He holds a bachelor of science in civil engineering from the University of Vermont and a master’s in architecture from Syracuse University.