PITTSBURGH — The Penguins are officially under new ownership as the Hoffmann Family of Companies takes over for Fenway Sports Group. The NHL Board of Governors unanimously approved the transaction earlier this week. On Thursday, the Hoffmann Family held a news conference to outline its plans for the team and fans. Geoff Hoffmann, CEO of HF Companies’ private equity arm, will serve as the team’s governor, while his father, David, and brother Greg will serve as alternate governors.