Background
Costa grew up in East Cambridge, Massachusetts, where he graduated from Cambridge Rindge and Latin School.
Costa grew up in East Cambridge, Massachusetts, where he graduated from Cambridge Rindge and Latin School.
He attended Merrimack College in Massachusetts on a hockey scholarship, majoring in English.
After transferring to Emerson College in Boston, he found a job as a disc jockey at a local nightclub. He later joined the Emerson radio station, WERS, as a DJ. After graduating from Emerson with a degree in English, Costa worked at a few other radio stations, including WBOS, before contacting WXKS-FM "Kiss 108" in 1980 for a lifestyle/entertainment news show he proposed. Costa told Kiss 108 about a lifestyle/entertainment segment he could host.
This evolved into his Top 30 Countdown which is broadcast every Saturday morning.
Costa co-hosts Matty in the Morning on weekday mornings. Costa also hosts television Diner, a restaurant review show on NECN. As of September 2013, the television Diner show has been cancelled by NECN and new episodes will no longer be created.
In 2011, Costa started hosting WGBH-television"s show, High School Quiz Show.