The Wound Care University team is dedicated to providing reliable and reputable course programs for medical professionals seeking to continue their advanced wound care management education.




About Sara

Sara Holtman, RN, BSN, MHA, CWCA is a native to New Braunfels. She began her career as an LVN and has most recently completed her Masters in Healthcare Administration. She is the Director of Clinical Education for WoundCentrics and manages the company’s education and training programs through Wound Care University. Sara was a founding member of WoundCentrics and grew clinical operations with the Long-Term Care Hospital clients. She left the company to work in Hospital management before her return to WoundCentrics in the education role. Sara was born and raised in New Braunfels, TX, she has boy/girl twins that keep her busy with football and cheer.


Marcus Gitterle, MD, FACCWS, CWS

Adjunct HBO Faculty

About Dr. Gitterle

Dr. Gitterle is an experienced physician leader, having served in management roles as a hospital-based physician for more than a decade. He is an active clinician and presently serves as Regional Medical Director for one of the largest, fully-integrated, regional, inter-facility wound care and hyperbaric specialty practices in the Southwestern United States. In addition, he serves as Woundcare Medical Director for three Texas LTAC facilities. As CMO of Woundcentrics, LLC, Dr. Gitterle created a scalable management framework for the optimization of LTAC wound care, as well as a training program, and quality assurance systems to support it. He lives in Central Texas with his wife Heather, and two sons.




About Chelsea

Chelsea is a corporate safety director and healthcare educator with a decade of experience. After receiving her EMT license, Chelsea worked at two 911 county EMS agencies delivering emergency care. Upon completing her CHT Chelsea worked for Woundcentrics at Christus Santa Rosa in San Antonio and New Braunfels helping patients on their healing journey. Chelsea has since taken over the role of the Hyperbaric course administrator and presenter. Chelsea provides a wealth of knowledge related to patient care, compliance, and safety in long-term acute care to WoundCentrics. She lives in San Antonio Texas with her husband, two children, several Great Danes and two cats.



Adjunct HBO Faculty

About Dr. Reynolds, Jr.

Dr. Reynolds received his Bachelor of Science degree in 1975 at Sul Ross State University where he was a Distinguished Graduate of the Reserve Officer Training Corps, then served as a US Air Force B-52 pilot until 1982. Dr. Reynolds graduated from the University of Texas Medical School at San Antonio in 1986, and went on to complete residency and fellowship training in Family Practice, Aerospace Medicine and Hyperbaric Medicine during his Air Force career as a Chief Flight Surgeon. He has commanded two Air Force medical squadrons, served as a foreign exchange officer to the Royal Australian Air Force, led US Air Force medical programs with over 40 countries in the Asia-Pacific region, served as the Air Force Surgeon for the Asian tsunami relief operation, and served in Iraq with the Multi-National Security Transition Command. He has extensive teaching experience and has held the positions of Clinical Faculty at the USAF School of Aerospace Medicine, Adjunct Assistant Professor of Military and Emergency Medicine at the Uniformed Services University of the Health Sciences, Adjunct Assistant Professor at Embry-Riddle Aeronautical University, and Adjunct Visiting Professor of Strategic Studies at the Asia-Pacific Center for Security Studies in Hawaii. Following retirement from the Air Force in 2009, he has continued his practice of medicine as a certified wound specialist at hospitals across Central Texas and as a Hyperbaric Facility Accreditation Surveyor for the Undersea and Hyperbaric Medical Society.

Dr. Reynolds is board certified in Aerospace Medicine and is a Certified Wound Specialist Physician of the American Board of Wound Management. He is a member of the Undersea & Hyperbaric Medical Society and a Fellow of the Aerospace Medical Association. His military decorations include the Legion of Merit, Defense Meritorious Service Medal, Air Force Commendation Medal, Iraq Campaign Medal, Korea Defense Service Medal, Humanitarian Service Medal and the Australian Defence Force Commendation.



DO Adjunct HBO Faculty

About Dr. Butter

Dr. Butter has been a hyperbaric and wound care physician since 1999 following primary training in hyperbaric medicine at Palmetto Hospital, South Carolina. He was medical director of the Christus Santa Rosa Hospital Wound care and Hyperbaric Center at Westover Hills for 8 years and served as the Chief of Hyperbaric Medicine and Chairman of the Limb Salvage Committee. He has been on staff at many acute and chronic care facilities responsible for comprehensive wound care as well as evaluation and supervision of hyperbaric oxygen therapy for a complete range of indications. He has been an emergency and EMS physician for over 30 years serving as medical director for many EMS agencies, hospital emergency departments and training programs in south and central Texas. He served as member and chairman of the Texas Governor’s EMS and Trauma advisory Council for 10 years as well as faculty at the University of Texas Health Science Center. He is board certified in emergency medicine, family medicine, undersea and hyperbaric medicine and is a certified wound specialist physician by the American Board of Wound Management. He graduated from Texas State University with honors in 1980, North Texas State University Heath science Center in 1986 and postgraduate training at Corpus Christi Osteopathic hospital, Brooke Army Medical Center and Driscoll Children’s Hospital.



MD Adjunct HBO Faculty

About Dr. Sanders

Bridget Sander, M.D., FACS, FASCRS is the Regional Medical Director of Wound Care and Hyperbarics in Corpus Christi. She holds certifications from the American Board of Colon and Rectal Surgery, as well as the American Board of Wound Management.

Dr. Sanders has been the recipient of the multitude of awards and recognitions, including the “Top Doctors” listing in US News & World Report, and Physician of the Quarter oat the CHRISTUS Santa Rosa Hospital in San Antonio, TX. Dr. Sanders has also been a keynote speaker at several lectures including the Socio-Economic Impact of Pressure Ulcerations in the US Co-Management Physician Group at CHRISTUS Santa Rosa Westover Hills, and Current Management of Acute Wound Care for Family Practice Physicians at CHRISTUS Santa Rosa in April of 2016. She is a highly respected and sought-after expert in the fields of wound care, hyperbarics, as well as colon and rectal surgery.

In her spare time, she loves spending time at the beach swimming and fishing with her son, and he little American Mini Eskimo rescue name Chewy. Bridget’s favorite sporting teams include the Colts, Hoosier Basketball, Indy car racing and now the San Antonio Spurs!

Dr Jason Kelly-Edited


MD Adjunct HBO Faculty

About Dr. Jason Kelly

Dr. Jason Kelly graduated with a degree in Biomedical Engineering from Texas A&M University where he was commissioned into the United States Air Force and he accomplished his medical education at the University of Texas Health Science Center at Houston. He completed his residency training in Family Medicine through St. Louis University and Scott Air Force Base. He spent the subsequent 10 years as a Family Medicine physician and Flight Surgeon in the Air Force before completing fellowship training in Undersea and Hyperbaric Medicine. Dr. Kelly presently serves as the Undersea and Hyperbaric Medicine Consultant to the Air Force Surgeon General and the Program Director for the Undersea and Hyperbaric Medicine fellowship program at Brooke Army Medical Center in San Antonio, TX. He is actively involved with the Undersea and Hyperbaric Medical Society, serving on multiple committees, and previously served on the Board of Directors.

Dr. Bud


MD Adjunct HBO Faculty

About Dr. Bud

Robert “Bud” Thompson, Jr., M.D., FACS, CHCQM received his Bachelor of Science from Baylor University in 1978 and his medical degree from the University of Texas Health Science Center in San Antonio in 1984. He completed his Surgical Residency in 1990 and has been Board Certified in Surgery since 1991. Dr. Thompson has been consistently listed as a “Top Doc” in The Texas Medical Center of Houston, until relocating his practice to Central Texas in 2013. Dr. Thompson coordinated Seton Hays Hospital inpatient wound care and diabetic foot care program in Kyle, Texas from December 2013 to December 2020. He was the primary surgical provider for all patients admitted with a complicated Diabetic Foot Ulcer or vascular disease. He received a certification in Advanced Wound Care in 2020. In his spare time, he plays guitar during worship for his church. He enjoys spending time outdoors fishing or golfing and is known for being an excellent cook.



Director of Safety & Special Operations

About Kevan

Kevan Corson is Director of Safety & Special Operations. After retiring from the military as a special forces medic he was a research scientist at Texas Health Science Center San Antonio Texas were he ran the CORE lab in the Department of Cellular & Structural Biology Division He also completed research for the Department of Obstetrics and Gynecology in the division of Reproductive Endocrinology and Infertility in the Assisted Reproductive Technology Laboratory and taught several senior the technique of suturing under microscopic conditions. It was at the University of Texas Medical Branch, Galveston TX where he was introduced to clinical hyperbaric medicine

Under the direction of Dr. Jon Mader were he has co-authored three book chapters and fourteen papers and abstracts. Mr. Corson has an extensive background in hyperbaric oxygen that spans over thirty years. In 2004 he received the Paul Barker award for his contribution to the hyperbaric community other awards and honors include Oceaneering International award and past chair for the Undersea Hyperbaric Medical Society Associates. The Associates Educational Scholarship has been established in honor of Kevan Corson, to honor his enormous and ongoing contribution to the field of hyperbaric medicine as a chamber operator, educator, consultant, diver, technical advisor, and animal advocate. He is currently on the boards for National Board of Diving & Hyperbaric Medical Technology for the past eighteen years, Undersea Hyperbaric Medical Society Hyperbaric Safety Committee for the past twenty years, Association of Diving Contractor International Saturation Safety Committee for the past six years, and board member for CAL OSHA Appeals for compressed air tunneling.

Educationally, Kevan has trained more than 2,000 health care professionals in hyperbaric medicine. Mr. Corson is the Hyperbaric Operations Manager for the Blue Plains Tunneling Project and has extensive background in hyperbaric support in tunneling operations. In addition to his 30 years of hyperbaric experience he has garnered considerable management experience through the operational and direction of several health care companies.

Shannon Jetton-Edited


Nurse Practitioner
Adjunct HBO Faculty

About Shannon

— Coming soon —

Daniel Guerro-Edited

DANIEL Guerrero

CHT Program Director

About Daniel

Daniel Guerrero, EMT, CHT. Born and raised in New Braunfels. Completed fire school and EMT-B through San Antonio Community College. Began medical career with EMS for 5 years and then transitioned into wound care and hyper-barics, obtaining CHT in December 2014. Has become efficiently trained at applying; multi-layer compression, wound vacs and other advanced wound dressings. Currently, program/safety director for the San Marcos clinic. Verry passionate regarding the holistic approach to wound healing and wound prevention.



Adjunct HBO Faculty

About Darlene

Darlene Carey is a thirty-year veteran of the wound care industry. She holds an MBA in Management & Marketing from Delta State University, and a BS in Marketing from the University of Southern Mississippi. She has worked in many leadership roles ranging from compliance, VP of operations, Director of Operations and Consulting. Darlene has been working with Wound Care University for two years and serves as an educator on topics such as compliance and reimbursement. Darlene lives with her husband in Mississippi.

Shannon Jetton-Edited

Michael Villarreal

Certified Hyperbaric Technologist (CHT)

About Michael

Michael Villarreal is a seasoned woundcare professional with over a decade of experience in hyperbaric medicine, Michael brings extensive knowledge as a Certified Hyperbaric Technologist (CHT). With a Bachelor’s degree in Healthcare Administration and a Master’s degree in Organizational Leadership from Colorado State University, Michael has demonstrated exceptional leadership in driving strategic quality improvement initiatives and optimizing patient outcomes. His efforts have guided several facilities through their UHMS accreditation processes. Looking forward, Michael is committed to applying this expertise in strategic planning implementation and building effective teams aiming to enhance operational efficiencies within the healthcare sector. Outside of professional endeavors, Michael is an avid mountain biker and enjoys exploring the natural world and spending time with family.


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