Northgate High School Alumni

Walnut Creek, California (CA)

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Geoffrey Koch

Northgate High School
Class of 1990

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GEOFFREY'S PROFILE

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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
No photo uploaded

Class of 1990 Alumni

→ Reunite with 59 class of 1990 alumni that have joined.

Ken Witherly

Ken Witherly
Class of 1997

Nancy Caddell

Nancy Caddell
Class of 1982

Jessica Knecht

Jessica Knecht
Class of 2002

Lisa Kerr

Lisa Kerr
Class of 1984

Katie Price

Katie Price
Class of 2000

Jennifer Smith

Jennifer Smith
Class of 1990

Heather Schiffman

Heather Schiffman
Class of 2001

Danielle V

Danielle V
Class of 2008

Tamer Ibrahim

Tamer Ibrahim
Class of 1993

Chris Honore

Chris Honore
Class of 1978

Thom Morgan

Thom Morgan
Class of 1978

Mary O'roke

Mary O'roke
Class of 1976

Michael Winslow

Michael Winslow
Class of 1984

William Sturtevant

William Sturtevant
Class of 1989

Amy Wallace

Amy Wallace
Class of 1998

Stephen Ku

Stephen Ku
Class of 2006

Bill Walsh

Bill Walsh
Class of 1998

Kasey Coffey

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

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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

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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)

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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.

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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)

More Details →