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Saturday, Jul 4, 2026

OC500 2024: DAVID AND DIANA SUN

DAVID AND DIANA SUN
CO-FOUNDERS
SUN FAMILY FOUNDATION

WHO: Arrived in America in 1977; David Sun co-founded Kingston Technology, the second-largest privately held company in Orange County with an estimated $16B in revenue in 2022.

WHY: Couple’s foundation in 2022 donated $50M to Hoag Memorial Hospital Presbyterian.

IN THE NEWS: Hoag last year broke ground on the Sun Family Campus, a new six-building campus in Irvine.

NOTABLE: Kingston Technology has partnered with Hoag Classic annual golf tournament to fund $70,000 annually to support a Hoag Scholarship for non-nursing employees.

IN THEIR WORDS: “In 1977, David and Diana Sun emigrated from Taiwan to America as a young married couple in pursuit of a new life with greater opportunity. Shortly thereafter, they settled in Orange County where they put down roots and raised their two children. For the past 40 years, they have proudly called Orange County their home.” —Sun Family Foundation webpage.

LEARN MORE: sunfamilyfoundation.org

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