Mark Patrick Nielsen
Nielsen, circa 1994
- Missing Since 10/10/1994
- Missing From San Luis Obispo County, California
- Classification Missing
- Sex Male
- Race White
- Date of Birth 03/17/1953 (67)
- Age 41 years old
- Height and Weight 5'8, 185 pounds
- Clothing/Jewelry Description A jean jacket, a white t-shirt and jeans.
- Distinguishing Characteristics Caucasian male. Brown hair, blue eyes. Nielsen's nickname is Sharky. He may spell his last name "Nielson."