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.
Joseph Tonda
Class of 1986
Stacey Greer
Class of 1982
Will Markham
Class of 1977
Odette Zaro
Class of 1977
Jeff Swadener
Class of 1981
Monika Jesionek
Class of 2003
Dan Brumleve
Class of 1987
Daniel Baker
Class of 1998
Joseph Malott
Class of 2012
M.j. Burns
Class of 1983
Jennie Trenkwalder
Class of 1999
Janine Macdonald
Class of 1978
Danielle V
Class of 2008
Daniel Bauer
Class of 1980
Barbara Betts
Class of 1982
Julie Schroeder
Class of 1987
Ann Nettleton
Class of 1983
Lawrence Lam
Class of 1978
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)
