Waltham-based Janitronics Building Services has hired Dorrian Cohen Fragola as vice president of marketing and business development.

Fragola, formerly a senior corporate sales manager for the Boston Business Journal, has been focused on the commercial real estate industry and involved in industry groups for the past five years.

Fragola is an active committee member of the Massachusetts NAIOP chapter, an advisory board member for the Greater Boston Chamber of Commerce and works with BOMA on its annual Office Building of the Year awards.

"I look forward to working with the Janitronics team, further developing a strategic plan to enhance continued growth at Janitronics and solidify our position as the premier building services provider in the Greater Boston area," Fragola said in a statement.

Janitronics provide cleaning, maintenance and specialty services to property owners in downtown Boston and various suburban locations.