Northgate High School Alumni
Walnut Creek, California (CA)
Geoffrey Koch
Northgate High School
Class of 1990
→ Join 3244 Alumni from Northgate High School that have already claimed their alumni profiles.
→ There are 59 classes, starting with the class of 1961 all the way up to class of 2025.
GEOFFREY'S PROFILE
| First Name | Geoffrey |
| Last Name | Koch |
| Graduation Year | Class of 1990 |
| Gender | Male |
| City | N/A |
| State/Province | OR |
| Country | United States |
| Occupation | marketing writer |
| Married | Yes |
| Favorite School Memory | marching band |
Class of 1990 Alumni
→ Reunite with 59 class of 1990 alumni that have joined.
Ken Witherly
Class of 1997
Nancy Caddell
Class of 1982
Jessica Knecht
Class of 2002
Lisa Kerr
Class of 1984
Katie Price
Class of 2000
Jennifer Smith
Class of 1990
Heather Schiffman
Class of 2001
Danielle V
Class of 2008
Tamer Ibrahim
Class of 1993
Chris Honore
Class of 1978
Thom Morgan
Class of 1978
Mary O'roke
Class of 1976
Michael Winslow
Class of 1984
William Sturtevant
Class of 1989
Amy Wallace
Class of 1998
Stephen Ku
Class of 2006
Bill Walsh
Class of 1998
Kasey Coffey
Class of 2005
Upcoming Class of 1990 Reunions
Plan a Class of 1990 Reunion for Free
Class of 1996 30 Years
Invited Classes: All Classes
Date: Oct 21, 2026
Description: Look for me at the picnic area near the sand volleyball courts
Recent Class of 1990 Reunions
Class of 1981 - 40-Year Reunion
Invited Classes: All Classes
Date: Oct 09, 2021
Description: Register: https://www.classcreator.com/Walnut-Creek-CA-Northgate-1981/class_index.cfm
Grand Reunion
Invited Classes: All Classes
Date: Oct 06, 2017
Description: Please go to this site for all details of the Grand Reunion: https://www.eventbrite.com/e/northgate-high-school-grand-r...(read more)
Northgate Alumni Picnic
Invited Classes: All Classes
Date: Jul 18, 2009
Description: It is pot luck, so bring a main dish, side dish, snack, drinks, picnic table, it's very informal.
Reunion for All Years
Invited Classes: All Classes
Date: Jul 18, 2009
Description: please check this website for more information: http://www.centerd.com/events/?id=p/1/13EE9283BBE0EE1B6B4FE4641019775C/I...(read more)
