Brian Shortsleeve, a venture capitalist and former MBTA chief administrator, formally launched his campaign for governor Monday, making the 52-year-old the second Republican to officially jump

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.

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