Northgate High School Alumni
Walnut Creek, California (CA)
Katherine Sullivan (Katherine Tassinari)
Northgate High School
Class of 1999
→ 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.
KATHERINE'S PROFILE
| First Name | Katherine |
| Last Name | Sullivan |
| Maiden Name | Tassinari |
| Graduation Year | Class of 1999 |
| Gender | Female |
| City | N/A |
| State/Province | CA |
| Country | United States |
| Occupation | Financial Services Manager |
| Married | Yes |
Class of 1999 Alumni
→ Reunite with 59 class of 1999 alumni that have joined.
Jeff Coolc
Class of 2007
Sean Gray
Class of 1992
Glenn Mcbee
Class of 1976
Chris Hattenbach
Class of 1985
Brad Maass
Class of 1984
Brad Medford
Class of 1982
Javier Albors
Class of 1988
Brigid Hynes
Class of 1994
Michael Bales
Class of 1982
Andrew Shi
Class of 2014
Jason Rigor
Class of 2000
Susan Hanson
Class of 1984
Robert Schmidt
Class of 1987
Dawn Edberg
Class of 1978
Ron Vogel
Class of 1981
Ernie Jacobsen
Class of 1980
Ann Langelier
Class of 1976
Amanda Kelly
Class of 2005
Upcoming Class of 1999 Reunions
Plan a Class of 1999 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 1999 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)
