

Jeff was born in San Jose, CA and graduated from Willow Glen High School. He earned a bachelors degree in accounting from San Jose State University and then went on to obtain his CPA license.
Directly out of college, Jeff worked for Rodney Kobara's accounting firm which became George Neyama's accounting firm. Jeff eventually opened up his own accounting business.
Whenever he could, Jeff enjoyed hosting parties and get togethers for just about any occasion and always felt, “The more, the merrier!” He loved to play golf and was a longtime member of the Garden City Golf Club. Jeff was an active member of the San Jose Japanese American Citizens League (JACL) and the Silicon Valley JACL (SVJACL). He was one of the four founding members of the SVJACL and served as either the Chapter President or Treasurer. Jeff's passion for civil and human rights extended into his involvement with district and national organizations such as the JACL Health Trust, National Japanese American Memorial Committee, and the API Justice Coalition.
Because of all the work Jeff did for the SVJACL and the community, he was honored as a NCWNP JACL district Unsung Hero. Being active in the San Jose Japanese community was of utmost importance to Jeff. He tirelessly volunteered every year at the San Jose Nikkei Matsuri and at the San Jose, Mountain View, and Palo Alto Buddhist Church Obon festivals.
Jeff was a cherished son to the late Eddie and Akiko Yoshioka, brother to Ron (Karen) Yoshioka, Mike Yoshioka, Nancy Kerbel, and Lynda (Art) Yoshioka, and uncle to several nieces and nephews. A private funeral service has been held.
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