Lamar Hunt Jr. is the founder of both Loretto Properties, LLC, a real estate investment company specializing in the operation and management of residential properties, and Loretto Foundation, LLC, a private charitable organization. He also owns the Missouri Mavericks, LLC, a member team of the East Coast Hockey League. All three companies are based in the greater Kansas City area.

Hunt is a member of the founding family of the Kansas City Chiefs. The family also operates FC Dallas, a member franchise of Major League Soccer. Hunt sits on the board of Hunt Midwest Enterprises and the Hunt Family Foundation. He also serves on the Advisory Board of the Catholic Radio Network and served on the Case Review Task Force appointed by Archbishop Joseph Naumann, which formulated recommendations for the future growth of the Archdiocese of Kansas City, Kansas.