Koizumi, circa 2008
- Missing Since 04/23/2008
- Missing From San Francisco, California
- Classification Endangered Missing
- Sex Male
- Race Asian
- Date of Birth 06/25/1985 (37)
- Age 22 years old
- Height and Weight 5'8 - 5'9, 110 - 130 pounds
- Clothing/Jewelry Description A white long-sleeved t-shirt, a gray argyle sweater, a light-colored olive green jacket, blue jeans and white Converse sneakers.
- Medical Conditions Koizumi may have been suffering from depression at the time of his disappearance. He was possibly taking anti-depressant medication to control the condition.
- Distinguishing Characteristics Asian male. Black hair, brown eyes. Some accounts list Koizumi's hair as red. He is of Japanese descent.