In Memory of

Vance Hum

April 19, 1948 – July 23, 2022
Rockville, MD & Brighton, MI


Vance Hum, President/CEO of I.M. Systems Group, Inc., passed away peacefully at the age of 74 on Saturday, July 23, 2022 in Michigan. Born in San Francisco, California on April 19, 1948, he was the eldest of 4 children. After earning a Bachelor of Science degree in Electrical Engineering from the University of Maryland in 1970, he began his career through NASA’s Manned Space Flight Program on APOLLO 14, 15 and 16 as a telemetry engineer, and continued on to the Applications Technology Satellite (ATS) F&G and Earth Resources Technology satellite programs as a digital design engineer. He was also a patent examiner at the U.S. Patent and Trademark Office and served as Vice President of Operations, Vice President of Finance, and Chief Executive Officer for several other companies, including Cheung Laboratories, before founding I.M. Systems Group, Inc. in 1987, where he served as President/Chief Executive Officer for 35 years. He was actively involved in charitable work in the Philippines, Vietnam and Liberia. He was also awarded the position of the Dean of Honor of the Environmental Science and Technology Faculty at Nguyen Trai University in Hanoi, Vietnam; was the Chair of the U.S. Association of Southeast Asian Nations Business Council (USABC), Defense and Security Committee; and has been on the Board of Directors of several companies.

He is survived by his wife of 12 years, Imelda Martin Hum; and children, Matthew Hum of California; Christina Hum Scarantino (Josef) of Colorado; and Jonathan Hum of Taiwan; and stepson Darryl Sapp of Oregon. Also surviving are his two grandchildren, Oscar and Eva Scarantino. A memorial service will be held at Rockville Church of Christ, 1450 W Montgomery Avenue, Rockville, MD 20850 on Friday, August 5, 2022 at 10:00 A.M In lieu of flowers, the family requests memorial contributions in Vance’s name be made to the American Lung Foundation.


Charitable donations can be made to the American Lung Foundation 

Friday, August 5, 2022

10:00 A.M. Service: Celebrating the Life of Vance Hum
Rockville Church of Christ
1450 W Montgomery Avenue
Rockville, MD 20850
Online service will be available: TBD

12:00 P.M. Banquet Reception
China Garden Han Gong
11333 Woodglen Dr.
Rockville, MD 20852. 
RSVP: Anna Le,

A Moment in Your Arms, A Lifetime in Our Hearts

A Moment in Your Arms, A Lifetime in Our Hearts

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