Keturah and her husband, Arlen, joined Missionary Ventures in 1996 and hosted mission team trips near Guatemala City from 1997-2003. From 2003-2013, they ministered in the region of Petén, Guatemala, working primarily alongside local churches and disciplining believers. Much labor was given to resourcing Christian schools and teachers, but their special heart-emphasis was particularly on ministering to families and marriages. The Kings and their four children, Asher, Cordell, Ariana, and Tyrell, relocated to Orlando, Florida in 2013 to work in the MV office.

Since 2023, Keturah has served as the Team Trips Coordinator, playing a vital role in ensuring the success of mission trips by serving as the primary point of contact between team leaders and local hosts. As Team Trips Coordinator, she facilitates clear communication, smooth logistics, and strong collaboration—helping each trip run efficiently and with purpose. Her dedication to building meaningful connections and supporting both teams and communities makes her an invaluable part of every mission.