About Us

The Sister City Association of Tracy, California is a non-profit organization dedicated to promoting understanding with international cultures.  We offer student youth exchange programs to Japan and Azores, an art exchange, and other programs in the effort to exchange international ideas with people of other countries.

Officers and Board Members

President:                           Diane Carnahan

Vice President:                   Judy Mizuno

Secretary:                           Joni Matalavage

Treasurer:                            Lynette Holtz

Liaison to Memuro:            Julie Mangskau

Liaison for Velas:               Gene Birk

Membership Chairman:     Sandeep Garewal

Webmaster / Publishing:   ​Hardeep Garewal


Additional Board Members:

Cyndi Sandford, Carol Minner, Jim Solarez, Joan Keith, Emiko Oshima, Erin Quintana, Bill Kaska, Dale T Mizuno, Trisha Hand, Sarah Decoite, Karen Herrick, Sunny Sethi, Nicole Riley 

Charter  Members

Ken Yasui

Gene Birk

Sid Yamada

Carl Yamada

Mel Coelho

Mel Soares

Larry Teixeira

Laverne Rocha