'Big Jim' O'Brien exits WCSX after 24 years, says he is staying in Detroit

Jim O'Brien, the host known to Detroit classic rock listeners as "Big Jim," said his run at 94.7 WCSX has ended after 24 years in the market.

O'Brien announced the change himself in a post on the "Big Jim's House" Facebook page. "After an incredible run at WCSX, my time with the station has come to an end," he wrote. He thanked listeners, coworkers, clients, veterans and the wider Detroit community for letting him be part of their mornings, and said Detroit has been his home for 24 years. He closed by saying more would come soon.

O'Brien joined WCSX in 2002 and took over as lead morning host in January 2014, fronting the "Big Jim's House" show. WCSX is owned by Beasley Media Group. Neither the station nor Beasley issued a public statement on the reason for the departure, which is typical when a local radio host exits.

He made clear he is not leaving the area. On his own social channels he signaled that he intends to stay in metro Detroit and keep working, including posting auto reviews and other content through his @jimobriendet accounts. His outside commitments were already in place before the announcement: a seat on the board of Disaster Relief At Work, the Waterford-based nonprofit also known as DRAW, announcing duties at the Detroit Grand Prix, and fundraising for veteran causes.

Classic rock radio runs on familiarity. The format keeps the same general shape for years, and listeners build attachments to the voices delivering it, so a host change registers with a segment of the audience in a way that programming tweaks do not. O'Brien had that standing in Detroit mornings for more than a decade.

What happens next in the WCSX morning slot is a question for the station's programming staff. What O'Brien plans is clearer from his own words: stay local, stay active, and take on what comes next.