Jewel was married to Richard Showalter for 51 years. He passed away in 2019, and she began work at RBC in 2020. They have three adult children, all married, and 14 grandchildren. Since their marriage in 1968, Richard and Jewel worked on the staff of Eastern Mennonite University, as the founding pastoral couple at Mechanicsburg Christian Fellowship, as English teachers, as international workers, as Global Consultants with Rosedale International and on the staff of Eastern Mennonite Missions. Jewel enjoys the camaraderie of work with other staff and faculty as well as interactions with students. Jewel highlighted, "Working here gives me the opportunity to maintain connections with the broader Mennonite world."