It is with deep sorrow that the family of Richard Tseng announces his peaceful passing at home on Sept. 21, 2026 at the age of 89. Richard was a beloved husband, father, grandfather, great-grandfather and friend. He is survived by his wife of 65 years, Patricia, and two daughters, Teresa Renison and Kathleen Peterson, 5 grandchildren and 6 great-grandchildren. He had a career as an electronic engineer with Packard Bell and Teledyne Electronics until he retired in 1993 at the age of 57. Viewing & Vigil at Pierce Bros, Westlake Village, Ca on Oct. 9, 2026, 3pm-7pm. Celebration of Life Services at St. Julie's Billiart Church, Newbury Park, Ca on Oct. 10, 2026, 11am.