Heartwise is made up of a team of doctors, specialists and professionals who desire to seek the fulfillment of our mission of ministry through healthcare.


Dr. James Marcum is speaker/director of Heartwise Ministries. He is a Cardiologist practicing with the Chattanooga Heart Institute. He is very active in the television, radio, and print arm of Heartwise Ministries. He is married to Sonya and has two children, Kelli and Jake, he enjoys music and outdoor activities.

Michael Bell serves as technical director for Heartwise Ministries. He graduated from Southern Adventist University in 2006 with a bachelor’s degree in film production and worked in the tv and radio business for 3 years before joining the Heartwise team In 2011. He now serves both It Is Written and Heartwise in producing quality television programming for God. He married his wife Heidi on June 3rd 2007. When not directing Heart of Health Live Michael enjoys mountain biking, camping, hiking and spending time with his wife, friends and family.

Nick Evenson is the production manager at Heartwise Ministries and oversees most of the ministry projects that Heartwise is involved in. His background in video production and mission work has taken him to locations including India, Romania, and the Dominican Republic. He is passionate about living an active life and using his talents to share the love of Christ.

Charles Mills is the host and creative energy behind the acclaimed radio program Heartwise: mind, body, and spirit. Charles owns and operates Christian communications based in Berkeley Springs, West Virginia. This popular and well-known host has authored more than forty books, written extensively, and is the former editor of Vibrant Life. Charles has traveled the world and has interviewed leading health experts. His approach to a healing ministry is based on vibrant portraits of Jesus, revealing the Savior’s love through fresh relevant words, images, and sounds. Charles enjoys photography, music, bird watching and spending time with his wife, Dorinda.

GrahamNathan Graham assists as audio mixer for our broadcasts and also helps edit the shows for rebroadcast with some of our affiliates. He enjoys drawing, writing, and creating complex story characters.  He is working on a degree in Media Technology and wants to write for television someday.

Mahoney'sRick & Christine Mahoney volunteer nearly every Thursday to help run our call center and run graphics for our live show. Rick also serves as our communications director and helps us get our content out to audiences on the internet through our newsletter, social media, and website. Rick & Christine are very involved in service to others and are always doing something to help out others. We couldn’t ask for better volunteers!

The Heartwise Ministries Advisory Board

  • T. Colin Campbell, PhD & Whole Plant Based Foods Advocate
  • Caldwell Esselstyn, Jr., MD Prevent & Reverse Heart Disease
  • Rip Esselstyn, Whole Plant Based Foods Advocate
  • Susan Raschal, DO Allergy/Immunology
  • Eric Nelson, MD General Surgeon
  • George Samuels, DO
  • Deidri White, Nutritionist
  • Charles Cleveland, MPH
  • Sharon Maloney, Psychology
  • Tammy Johnson, Autism
  • Dean Sikes, Youth Suicide Prevention
  • Dr. Ann Mashchak, OBGYN
  • Shelly Armstrong, American Heart Association
  • Wendell Moses, MD Pediatric Orthopedics
  • Sam Ledford, MD Interventional Cardiology
  • Allen Lewis, Exercise Physiology
  • Wendy Halsey-Richardson, MS Audiology
  • Cheryl Haag, DPM Podiatry
  • David Salerno, MD Electrophysiology
  • Robyn Sandin, MD Emergency Care
  • Nick Van Zyl, DDS General Dentistry
  • Martha Summa, Phd Autism
  • Lee Jackson, MD Urology/Oncology
  • Phil Mills, Dermatology
  • Michelle Chinn, MSN Cardiology
  • Dennis Ford, MD Pain Management
  • Joseph Bird, Reproductive Endocrinology
  • Michael Shepherd, MD Family Practice
  • Frank Kimsey, MD Radiation/Oncology
  • Glenda Parks, Lactation Consultant
  • Colleen Schmitt, MD Gastrointestinal Disease
  • Terry Melvin, MD Hospice Care
  • Biggya Sapkota, MD Neurology Specialist
  • Philip Swords, M.D. Dentistry

  • Allan Lewis, Exercise Physiologist
  • Tareck Kadrie, MD Neurology
  • Lynda Smith, FNP Skin Care
  • Lee Perry, MD Allergies/Immunology
  • Steven Wolf, DO Women’s Health
  • Matthew Kodsi, MD PhD Neurology
  • Brent Barrow, MD Radiology
  • Nathan Chamberlain, MD Nephrology
  • Tim Jennings, MD Psychiatry
  • Eston Wenger, MD Surgery
  • Dennis Thompson, DO Mens Health
  • Scott Grivas, MD Natural Remedies
  • Anuj Chandra, MD Sleep Medicine
  • David Wendt, MD Electrophysiology
  • Jim Zellner, MD Cardiothoracic surgery
  • Lisa Umphrey, MD Women’s Health
  • Heidi Bell, Nurse practitioner
  • Dr. Phillip Swords, DDS Dentistry
  • Ron Mahlo, CNP Oncology
  • John and Lisa Morris, DC Chiropractic Care
  • Carlton Vollberg, DO Internal Medicine
  • Burney Tompkins, RN Back to Nature
  • Cheryl Haag, DPM Podiatry
  • Wayne Kelly, MD Pediatrics
  • Larry Otto, Music Therapy
  • David King, MD Surgeon
  • Russell Adkins, Physical Therapy
  • Joshua Crowder, OD Optometry
  • David Lindsey, PhD
  • Craig Ammerall, Respiratory Therapy
  • Harold Mayer, PhD Exercise Physiologist
  • Charles-Marcel Zeno, MD Wildwood
  • Victor Czerkasij, MA; MSN Dermatology