Pittsburg High School Alumni
Pittsburg, California (CA)
Mark Guelfo
Pittsburg High School
Class of 1985
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MARK'S PROFILE
| First Name | Mark |
| Last Name | Guelfo |
| Graduation Year | Class of 1985 |
| Gender | Male |
| City | N/A |
| State/Province | CA |
| Country | United States |
| Occupation | Software |
| Married | Divorced |
| Favorite School Memory | My Friends and GF Wendy |
Class of 1985 Alumni and Other Nearby Classes
→ Reunite with 12 class of 1985 alumni that have joined.
Richard D. Enea
Class of 1960
Markiesha Hutchinson
Class of 1995
Betty Ward
Class of 1962
Kenneth Nelson
Class of 2012
Angela Aiello
Class of 1979
Donald Tye
Class of 1979
Jennifer Rhoades
Class of 2006
Chanhda Vongkesone
Class of 2000
Connor Victor Hoang Le
Class of 2025
Jane Day
Class of 2000
Ralph P. Krey
Class of 1954
Gary Zellmann
Class of 2000
Sonny Patel
Class of 1960
Steve Smith
Class of 1980
Donna Gordon
Class of 1979
Joaquin Leal
Class of 1988
Angie Rivera
Class of 1995
Miguel C.
Class of 1970