A native of Michigan, Judge Foster graduated from the University of Michigan in 1989 with a bachelor's degree in History. He attended the Case Western Reserve University School of Law where he participated in the National Moot Court team and received his Juris Doctor degree cum laude in 1997.

Judge Foster practiced law in Cleveland, Ohio until 2000 when he moved to Southwest Florida. Prior to taking the bench, Judge Foster practiced civil trial law for fifteen years in the area of commercial and business litigation in state and federal courts in Ohio and Florida.

Judge Foster was elected to the Circuit Court bench by the voters of the Twentieth Judicial Circuit in 2012 and re-elected without opposition in 2018.

Judge Foster is actively involved in the community. He is a proud graduate of the Leadership Collier Class of 2008, and has served in various capacities with Collier County Bar Association, the Community Foundation of Collier County, the Ad Miller Chapter of Tiger Bay, the Housing Development Corporation of Southwest Florida, the Affordable Housing Commission of Collier County, Moorings Presbyterian Church, and the Michael R. N. McDonnell Inn of Court. Judge Foster was honored in 2006 as the Public Service Volunteer of the Year by the Greater Naples Chamber of Commerce, was appointed in 2012 to serve on the Canvassing Board for Collier County during the Presidential Preference Primary and the General Election, and served as an Associate Judge on the Second District Court of Appeals in April 2017.

Judge Foster is married with two children.