Sung Kwon has served as the North American Division Adventist Community Services (ACS) executive director for over 20 years. He also served as the Good Neighbor House executive director, an ACS agency in Dayton, Ohio, for eight years. The vice president and, later, president of the North American Association of Community Services Directors (NAACSD).

He was recognized in the "40 Under 40 – Dayton's Brightest Young Business Leaders" by the Dayton Business Journal in 2000; and In May 2022, he was honored with the United States President's Volunteer Service Award for his special service commitment to disaster services.

He is ordained by the Allegheny East Conference of Seventh-day Adventist Church in 2007; has planted the Dayton Korean Adventist congregation as a company, and serving as its interim pastor for eight years, and served three years as administrative pastor of the Miracle Temple Adventist Church in Allegheny East Conference in Baltimore, Maryland.

He serves as a Chaplain (Major) for Civil Air Patrol, US Air Force Auxiliary, also serves as Mid-Atlantic Region Diversity & Inclusion Assistant Officer and Maryland Wing Critical Incident Stress Management (CISM) Officer. He has served on the National Voluntary Organizations Active in Disasters (NVOAD) boards, National Interfaith Coalition on Aging (NICA), and National Mass Care Council.

He is a licensed consultant for the Standards for Excellence Institute, a certified Cultural Intelligence Center facilitator specializing in Unconscious Bias and a certified International Critical Incident Stress Management (ICISF) instructor. He has published "Burst the Bubble: Finding Your Passion for Community Outreach."