馮志昌弟兄於1998年自香港移民至美國，起初參加了 BMCC 的大學生團契，之後加入中宣會的加密團契。在團契的栽培下，他決志信主，並於2000年受浸。其後，他帶領父母及幼妹信主，並一同在中宣會聚會至今。

    多年來，馮弟兄曾在不同團契、本地報道部及夏令會中擔任多項事奉職責。現時，他是恩雨團契的團友，同時在團契部及保安隊參與事奉。他的太太 Lina 姊妹亦在兒童主日學擔任老師。二人育有一子一女——Joshua 和 Julia，目前均就讀初中。

    在職場方面，馮弟兄現於花旗銀行任職，擁有超過20年的專業金融經驗。他於2025年10月1日正式成為中宣會的執事，任期三年。

     Brother Jack Fung immigrated to the United States from Hong Kong in 1998. He first joined BMCC’s CCF while in college and later joined OCM’s Carmel Fellowship. Through the fellowship, he came to faith in Christ and was baptized in 2000. Jack also led his parents and younger sister to Christ, and they continue to attend OCM to this day.

     Over the years, Jack has served in various ministry roles across multiple fellowships, the Local Mission Department, and the Summer Conference. He is currently a member of the Blessings Fellowship and also serves in the Fellowship Department and on the Security Team. His wife, Lina, teaches Sunday School at OCM. Together, they have two children—Joshua and Julia—who are in junior high school.

     Professionally, Jack works at Citibank and brings over 20 years of experience in the financial sector. Brother Jack has become a deacon since October 1, 2025 (a three-year term).