Leona, and her husband Ted Choy were co-founders of Ambassadors For Christ, which she served for 25 years. She and her husband traveled to the People’s Republic of China frequently to encourage and assist the underground Christian churches and also to find positions for English teachers in China’s schools. Leona made 14 trips, mostly in the 1980s, as a guide/escort for groups of Americans traveling to China.

Leona was devoted full-time to her writing and publishing ministry after she was widowed more than three decades ago.  In addition to being a sought-after speaker, she served as Executive Director of Golden Morning Publishing. Leona was also a writer, editor, and collaborator of over 55 books and many foreign language editions.

For 30 years Leona was president of the Board of WTRM-FM (Southern Light Gospel Music Network) in Winchester, VA

Leona Choy changed her permanent address to Heaven on Thursday, March 2nd, 2023 at the age of 97. She was born to first generation Czech’s, Marie and Frank Spryncl, in Cedar Rapids, Iowa. Her husband Ted, to whom she was married for 46 years.

和許多福音事工一樣，基督使者協會的成立，開始於一群對擴展神國有負擔的弟兄姊妹。1956年，周主培牧師、蔡錫惠弟兄和蔡司麗安女士夫婦以及「暗室之后」蔡蘇娟女士，在賓州樂園鎮會面。蔡弟兄夫婦當時在國際學生協會事奉，他們邀請周牧師去參加中文查經班。此後，許多活動及事工都由此而出，其中包括1957年十月創刊的《使者雜誌》。華人學生事工的需要日益迫切，經過持續的禱告和在神的帶領下，周牧師和蔡弟兄夫婦於1963年5月6日成立了基督使者協會。