TEAMS for Medical Missions

PO Box 215 ~ Macungie, PA 18062


Our People

Director and Missionaries

john-LindaHeaterJohn and Linda Heater have come to TEAMS for Medical Missions from more than 25 years of preparation for and experience in full time ministry. Graduates of Washington Bible College and Capital Bible Seminary (John), they are experienced in preaching, teaching, and are specially trained in counseling. They served in youth ministry in a Washington, DC area church for fifteen years and in the pastorate for several more. They come from a strong missionary background both by family and by experience. They have organized and led many mission teams here in the States and in such overseas places as Moldova, Lithuania, Romania and France.

John and Linda have joined and are leading TEAMS for Medical Missions because they share the TEAMS vision for strong churches in Jamaica. From the home office in Allentown, Pennsylvania and in Jamaica they serve the Lord Jesus first, but then the TEAMS missionary family and the people of Jamaica.

TEAMS Missionaries

AnneClayAnne Clay RPh, joined TEAMS in July 2004 as Pharmaceuticals Coordinator. She had previously served more than ten years as an officer in the Surgeon General’s Office of the U.S. Public Health Service. Today, Anne works closely with the TEAMS Medical Director. She also takes care of procurement of medicines, their inventorying, packing, and dispensing. In addition, she is responsible for registration of J-Teams physicians in Jamaica and most other medical matters. In Jamaica, she serves as pharmacist and as Medical Coordinator for J-Teams. This provides continuity and qualified oversight to the medical side of the work.

Randy-SaraHentzelRandy and Sara Hentzel have served as missionaries in Jamaica since 2002. During those years they developed a desire to "Minister TO Jamaicans THROUGH Jamaicans." In order to do this they and their family - five children, three still at home - joined TEAMS in January 2010.
They summarize their ministry as one of . . .

  • Training pastors and church leaders in a variety of contexts
  • Developing Christian education and training individuals within churches
  • Modeling and training in one-on-one and group settings for discipleship and mentoring.

Randy and Sara serve on the north central coast of Jamaica, in the Mango Valley area of St. Mary Parish.

Harold and Teri Nichols have been missionaries in Jamaica since 2002, joining TEAMS in September 2004. Their ministry involves evangelism and disciple making for strengthening the Jamaican church. They live at TEAMS House, the TEAMS for Medical Missions field headquarters and ministry center. The J-Teams stay there during each ministry trip and it is used year round for Bible studies, leadership training, and various spiritual retreats. The Nichols also provide planning and program support for the various J-Teams, host them during their visits, and then work after they are gone to help preserve the fruit of those ministries. Teri also serves the Jamaican people as a Community Dental Aide.

Director Emeritus


Ray and Ruth Shive came to TEAMS for Medical Missions in mid-2001. Prior to that they were involved in pastoral and teaching ministries in the United States, then for 20 years in cross-cultural missions in South Africa and later in USA home office administration.

Ray and Ruth brought to TEAMS a vision for strong Jamaican churches. This came to mean a year-round ministry with existing churches through on-field missionaries and regular J-Team visits. This ministry emphasis continues to this day.

Retired in June 2014, they continue to serve their local church in various ways, including missions and teaching.


The Board of Directors

  • George Apgar – President
  • Neville Tomlinson -- Vice President  
  • Gene Miller, DO – Secretary
  • Steve Gillespie -- Treasurer
  • Vici Boyer 
  • John Heater
  • Steve Perkoski
  • Lata Wiggins, MD

Home Office Staff

  • Jane Leeser – Bookkeeper  
  • Ann Wendling – Business Manager
  • Duane Wendling – Office Administrator - Duane serves as the main contact for T4MM and handles the J-Team stateside logistics.