Brian Shortsleeve, a venture capitalist and former MBTA executive, raised more than $135,000 in the 24 hours since he announced he was running for governor as a Republican Monday morning, his campaign said in a statement to the Herald.

In a campaign announcement video, the former Marine Corps officer promised a conservative vision built on cutting spending.

Another Republican announced his intent to run for governor Monday. Brian Shortsleeve, a venture capitalist who managed the MBTA under former Gov. Charlie Baker, officially launched his campaign this week.