Missing Since: 2023-12-11 Location: Burlingame, California
Claassen was last seen at Peninsula Hospital in Burlingame, California on December 11, 2023. He has never been heard from again. Few details are available in his case. Investigating Agency Burlingame Police Department 650-777-4100 Source Information California Attorney General’s Office NamUs Updated 1 time since October 12, 2004. Last updated February 17, 2025; casefile added.