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Marcus Jackson Sr., RRT

“I was attracted to El Centro’s program because of its accessibility, affordability and affiliations with local hospitals. The best part of my experience was the relationships I developed with fellow students and the learning experiences provided at the local clinical affiliates. 

“My education has allowed me to support my family. If we were talking about Maslow’s hierarchy of needs, it would be one of the foundational experiences that have allowed me both to meet basic needs and to expand my passions in other areas of life such as ministry. 

“The most important thing I learned is that small beginnings don’t necessarily mean small endings. Methodist Health System (which operates three hospitals in the DFW metroplex) recently hired a new CEO, Steve Mansfield, who actually began his career in health care as a respiratory therapist. 

“I feel that it is a non-negotiable to get a college degree and not settle for less. Non-college-based programs do not necessarily give you the professional skills that are required to interact with physicians and other disciplines effectively and to eventually expand your career.” 

Marcus Jackson earned an Associate in Applied Sciences degree from Cedar Valley before earning an additional A.A.S. in Respiratory Care from El Centro. In 2005, he graduated magna cum laude with a bachelor’s degree in ministry and leadership from Dallas Christian College and earned a master’s degree in New Testament from Johnson Bible College in Knoxville, Tenn., in May 2009.  In his current position, he manages day-to-day operations of a full-service hospital respiratory care department that offers 24-hour inpatient and outpatient respiratory care. His responsibilities include recruiting, training, hiring staff, budgeting, planning and operation of the department as well as maintaining accreditation of the blood gas laboratories. He previously served as team leader of the NICU respiratory care department and the neonatal transport team of Methodist Dallas Medical Center. He was ordained to the preaching ministry of the Baptist Church in 2002.


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Myriah Stevens

Myriah Stevens

Radiologic Technologist Parkland Memorial Hospital of Dallas
“When a patient who is in pain, upset or nervous tells you that you made them feel better or just simply tells you 'thank you' with a smile, it makes your hard work worth it. That is the reason I am in this field, and that is what will keep me in it forever.”
Radiologic Sciences
Kristy Sweeney

Kristy Sweeney, RDCS

Registered Diagnostic Cardiac Sonographer, UT Southwestern University Hospitals, and Adjunct Faculty, El Centro Diagnostic Medical Sonography
“My experience at El Centro was wonderful. The program included online classes plus clinicals three or four days a week. We had the flexibility to do our homework at our own convenience, either doing a little every night or doing it all over the weekend, whatever worked best for us.”
Diagnostic Medical Sonography
Sarah Taylor

Sarah Taylor, A.A.S. (ADN), RN

Registered Nurse, Adult Oncology Unit Medical City Dallas
“The best part of my education was the nursing staff. They are just so caring and supportive. They’re there to make sure you get all of the help and support you need. The most important thing I learned is that you’re never too old to set a goal and achieve it.”
Nursing
Shawn Terry

Shawn Terry, B.A., RRT, RCP

Respiratory Care Practitioner, Parkland Health and Hospital System Adjunct Faculty, El Centro Respiratory Care Program
“Respiratory therapists are not just technicians trained to deliver treatments and therapies with different types of equipment. We have to truly comprehend a wide range of topics and how they relate to a patient’s condition.”
Respiratory Care Program
Marcus Jackson
Marcus Jackson Sr., RRT
Director of Respiratory Therapy Methodist Mansfield Medical Center

Respiratory Care Program
School of Health Sciences
Updated September 16, 2025