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North America Staff

Christian Health Service Corps is a community of Christian doctors, health professionals and health educators serving the poor in places that have little or no access to healthcare. Every day we bring compassionate, life-saving health services to families around the world.  CHSC physicians and health professionals are often the only access to care for young families in poor communities.

North America

Sarah Cates

United StatesER Physician, DO PhD

Sarah is a board-certified ER physician who graduated from the Virginia College of Osteopathic Medicine and then completed residency training at the Geisinger Health System in Danville, PA in 2011. She was awarded her PhD from Virginia Tech in Health Promotion with an emphasis on international health and completed her dissertation on HIV awareness and education in El Salvador in 2009. She has worked extensively around the world in low resource settings and has been a part of medical care in over 20 different countries, having engaged in several disaster responses including natural disasters and infectious outbreaks. She spent the last 6 years serving and working at the Hospital of Hope in Togo, West Africa as a staff physician. She is currently completing a Masters in Disaster Healthcare from the University of South Wales and has a passion to see high-quality care delivered, regardless of the setting. Her goal is to elevate the care that mission hospitals deliver through this new partnership with CHSC. “Quality care everywhere is achievable, and we exist to come alongside others to make this a reality. For we are all made in the image of God and what better way to honor that than to strive to deliver the very best care possible in each setting.”      

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Kelly Faber

United StatesPediatrician

Kelly is a US Board Certified Pediatrician who completed training and residency at the University of Louisville. After residency she spent two years in Tsiko, Togo at the Hôpital Baptiste Biblique through Samaritan’s Purse’s Post-Residency program. At the completion of that program, she joined ABWE as a full-time medical missionary to serve at the Hospital of Hope in Mango, Togo. During her nine years in long-term missions she specialized in neonatal care and pediatric cancer care in the Low and Middle-Income Country (LMIC) setting. During this time she was also able to care for people with infectious diseases including Lassa Fever and Ebola. “I want to come alongside medical workers to teach, encourage and equip, so that we can together see quality healthcare reach those most in need, for the honor of Christ and His witness to the nations.”      

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Greg and Candi Seager

United StatesFounder/Director - Christian Health Service Corps

Greg and Candi Seager are the Founders and directors of Christian Health Service Corps (CHSC), a ministry of Christian doctors, health professionals and health educators serving the poor in places that have little or no access to care. Each year, CHSC missionaries bring compassionate, lifesaving medical services to hundreds of thousands of patients in countries across Africa, Asia, and Latin America. Our team of missionary doctors and health professionals minister both spiritually and physically and are often the only access to care for young families in poor communities. Greg and Candi are responsible for oversight of all day to day US operations of the ministry including: missionary pastoral care and support, counseling, church relations, accounting, training and preparation for all long-term missionaries.      

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Dr. Laura Smelter

United StatesDirector of Training - Christian Health Service Corps

Laura approaches her role as CHSC Director of Training with a passion to help educate, equip, and edify healthcare missionaries. God prepared her well for this role. Throughout her training and career as a family medicine physician, Laura has sought out and participated in educational and experiential global health and medical mission opportunities. She has volunteered short term in various settings and at several mission hospitals around the globe with World Medical Mission/Samaritan’s Purse. She served a term with SIM in Nigeria in hospital administration, residency physician training, and clinical capacities; and a term with Samaritan’s Purse in Haiti in medical and maternal child health program management. In these experiences Laura saw the importance of collaboration between clinical care and community development. In the United States, Laura has worked in private practice and as a family medicine residency faculty member teaching doctors in training. As part of the USA administrative team at CHSC headquarters in Texas, Laura uses her experience in clinical, academic, administrative, and global healthcare and field work to help develop and implement individual, organizational, and public training and awareness programs supporting clinical excellence, transformational development, and missionary care within the United States and internationally. She invites and is humbly thankful for prayer and financial partners in the work of educating, equipping, and edifying.      

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Darla Tate

United StatesChief Development Officer

Darla joined Christian Health Service Corps as the first full time Development staff member in October 2021. She comes to CHSC with over a decade of fundraising experience in the healthcare and social services sector, nationally with Susan G. Komen and National Psoriasis Foundation as Director of Development. Locally, she has worked as the Director of Philanthropy at ACH Child and Family Services and as Vice President of Development for Samaritan House serving the homeless and underserved in Dallas/Fort Worth.

Her primary role at CHSC is to raise critical funds to support the organization’s general operations and missionary care programs which take place in more than 20 countries. Darla has a B.S. in Business Administration from Liberty University and obtained her Certified Fund Raising Executive (CFRE) designation in 2019. She is very involved in her church and enjoys playing classical piano for family and friends. She and her husband Wally live in Fort Worth and have four children, three grandchildren and Dexter the Boston Terrier.      

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Steve and Mary Tschoepe

United StatesAdministrators - Christian Health Service Corp

Before serving as missionaries, Steve and Mary partnered in prayer with Christian Health Service Corps for over 6 years. It wasn't until 2015 that the Lord prompted them to serve the ministry fulltime.

Every sending organization has an un-seen staff that supports its missionaries. Steve & Mary are an integral part of the Christian Health Service Corps staff. CHSC has doctors and nurses in Latin America, Africa, and Asia, and the Tschoepes serve as senders in an administrative, behind-the-scenes role.

Steve holds a BA in Business Administration from the University of Texas at San Antonio. While at UTSA he was very active in campus ministry and took several mission trips into Mexico. Since graduating from UTSA over 20 years ago, Steve has served in the workplace in numerous ways, and uses his database, website, marketing, and I.T. experience to serve the local Christian Health Service Corps staff as well as its missionaries abroad. When he's not working, Steve loves to make music and worship the Lord. He is a worship leader and multi-instrumental musician, arranger, and recording artist.

Mary holds a BA in Elementary Education from Texas Lutheran College and taught 11 years in the inner city of San Antonio before becoming a full time homeschooling mom of their sons, Bobby and Timmy. During that time, Mary has served in children’s ministry and in the local church; and she has a heart to serve small groups with hospitality and prayer. She shares Steve’s heart to serve; and is excited to be a support to the entire CHSC family. She handles donor care processing and receipting, and finds it a blessing to connect with the missionaries and their support teams.      

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Joel White

United StatesPrograms Coordinator

God placed a longing in my heart in the beginning of college, to be active in the Kingdom of the Lord through Medical Missions. Through obedience, God has graciously shown me what that work looks like. After acquiring my Bachelor’s in Business, I moved to Kenya to work at Tenwek Mission Hospital. There I worked as the Intern for Friends of Tenwek inc. As I walked with the Lord in Africa, God provided a greater clarity in how to pursue my longing; to serve those who can serve more. After a wonderful year of learning and mentorship, the Lord led me to pursue a Masters in Healthcare Administration. Upon returning to the states and beginning school, I was given a job at Texas Health Stephenville as the Clinical Outcomes Specialist and Sepsis Coordinator. During my time in Stephenville, God has allowed me to see the beauty in assisting others, especially in developing projects and programs. I am overjoyed and humbled to join CHSC in the role of Program Coordinator. Our desire is to develop programs that share the gospel of Jesus Christ to the poor and underserved. I hope to use the gifts God has granted me by assisting those who are faithfully treating, so that Jesus may heal.      

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Lisa Yoder

United StatesAssistant to the Director of Training - Christian Health Service Corps

Lisa works part time at Christian Health Service Corps, as the assistant to the Director of Training. She loves being involved in what God is doing through CHSC missionaries around the world. Lisa grew up in Maine and attended Cairn University (previously Philadelphia College of Bible) in the Philadelphia area. Her degrees in Bible, Education, Social Work and Organizational Leadership served her well as she worked for nearly 25 years at Cairn in a number of positions, including Director of Admissions and most recently, Director of Disability Services and Academic Resources. Her interest in mission/relief work started in her youth as she listened to missionaries on furlough give reports at her church. She served short term for one year with TEAM in Japan teaching conversational English. She has also led and participated in a number of short-term mission trips to Hungary, The Bahamas, Italy, India, Macedonia, and South Texas. Lisa's husband Tim is a professor at Dallas Theological Seminary and shares in her love for missions. Tim is a regular presenter at CHSC Orientations. In addition to her work at CHSC Lisa is the full-time primary caregiver for her father. She also is an editor for International Students who attend Dallas Theological Seminary, and a Driver Companion for Envoy America where she drives and assists elderly clients to and from appointments. She has volunteered with the North Texas Red Cross Disaster Action Team, and is also active in her church, Crossing Baptist Church of Mesquite.

If you wish to financially support her work with CHSC, please click on the "Donate Now" button. You will be giving to the General Fund, which is how she is supported.      

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