Matt Greiner is in his 18th year with the 49ers and his fifth as director, groundskeeping. He previously spent 10 seasons as the senior manager & head groundskeeper.

In his role, Greiner is tasked with overseeing the maintenance of all playing surfaces at Levi's Stadium and the team's Santa Clara training facility. He originally joined the 49ers as an assistant groundskeeper in 2009.

Matt Greiner is in his 18th year with the 49ers and his fifth as director, groundskeeping. He previously spent 10 seasons as the senior manager & head groundskeeper.

In his role, Greiner is tasked with overseeing the maintenance of all playing surfaces at Levi's Stadium and the team's Santa Clara training facility. He originally joined the 49ers as an assistant groundskeeper in 2009.

Greiner began his career as a member of the Ohio State University grounds crew in 2005, remaining with the Buckeyes until 2007. He spent 2007 with the Arsenal Football Club, before transitioning to the Minnesota Vikings for the 2008 season.

The Sylvania, OH, native attended Northview High School, before earning a degree in Turfgrass Science from Ohio State University.

Greiner and his wife, Heidi, live in Willow Glen, CA, with their daughter, Haleigh.