Renato Lumaban, a retired correctional supervising cook, passed away in October 2025, according to San Quentin Rehabilitation Center.

Lumaban began his career with San Quentin as a cook specialist II in July 1999. He was promoted to correctional supervising cook in July 2007. He then retired in July 2010.
“He will be deeply missed by all who had the privilege of knowing him. We extend our heartfelt condolences to his family, friends, and loved ones during this difficult time,” according to the institution.
Services have already been held.
Read more tributes to staff and retirees who have passed away.
Follow CDCR on YouTube, Facebook, X (formerly Twitter). Listen to the CDCR Unlocked podcast.
Related content
San Quentin mourns passing of Officer Michelle Jones‑Harris
Michelle Jones-Harris, a correctional officer at San Quentin Rehabilitation Center, passed away July 21, 2026. Jones-Harris began her career at…
Watch: Agent Byrd memorialized at training center, CMF
Two CDCR memorial ceremonies honored fallen Parole Agent Joshua Byrd, marking one year since his passing. At California Medical Facility…
Ismael Martinez, retired correctional lieutenant
Ismael Martinez, a retired correctional lieutenant from Central California Women’s Facility in Chowchilla, passed away July 14, 2026. He worked…
CMF mourns loss of Melissa Boos, management services tech
Melissa Boos, a management service technician at California Medical Facility (CMF) in Vacaville, passed away July 21, 2026. She worked…
CSP‑Solano mourns loss of Kevin Thomas, health records tech
Kevin Thomas, a health records technician at California State Prison-Solano, passed away June 22, 2026. Thomas began his career as…
San Quentin mourns passing of Jonathan Castillo, office tech
Jonathan Castillo, an office technician at San Quentin Rehabilitation Center, passed away Feb. 1, 2026. Castillo began his career at…