Gim Hoy Leong was born in China and at age 6 immigrated to Brooklyn, New York. He graduating from City College of New York with a BS in Mechanical Engineering and later achieved an MBA from Santa Clara University and a BS in Electrical Engineering from Washington University, working as an engineer and then a financial adviser.
A long-time resident of San Jose, Gim celebrated 55 years of marriage to his wife. Gim's passions included gardening, calligraphy/arts, traveling, food and his love for his family.
Gim is preceded in death by his parents Wah and Young Shill Leong and his sister Jane Leong. Gim is survived by his wife Anne Leong, his son Hou Leong (Louise Lee), his daughter Vivian Leong Madrigal (Ruben Madrigal), his Grandchildren Meghan Leong, Abigail Leong, Adrian Madrigal, Alexa Madrigal and Xavier Madrigal. His brothers Phillip Leong (May) and Baldwin Leong (Yun-Ping), his nieces and nephews Vernice Mak-Marsico (Andrew Marsico) and their children Declan and Ethan; Jeffrey Mak; Alexander Leong (Chloris Ji Leong) and their children Astrea and Jayce; Erica Leong; Catherine Leong and Joanna Leong.