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Dallas College

Mark Powell, RN

“This was my fourth career change. I’d already had careers in the Royal Air Force, the British Foreign Service and the IT industry. This time, I wanted a career where I could really make a difference in people’s lives. 

“Nursing is such a vast field that no one program can prepare you for everything — there are so many directions to take, from geriatrics to pediatrics to hospice care. For my introduction to nursing, I chose an internship in the ER at Baylor University Medical Center-Dallas. This opportunity allowed me to build my skills and gave me valuable insight into the varied career opportunities that nursing offers. 

“I recently changed my focus and now specialize in caring for patients in the end-stages of life as an RN case manager for a local hospice. I continue to look back at my time here and the wonderful opportunities that the nursing program has given me.

“The Associate Degree Nursing program gave me the basic preparation for my career in nursing. No program can prepare you for everything you will see in the clinical setting, but this one prepared me well to take and pass the NCLEX examination. The most valuable part of my education was the clinical rotations — medical, surgical, psychiatric, labor and delivery, and pediatric — which gave me a greater exposure to the wide variety of careers in nursing.

“In terms of personal attributes, I think it helps to be older when you enter the nursing profession. Nursing can be very challenging, and it helps to be able to draw on life experiences in dealing with different personalities. Being confident and organized is also essential, and of course, you need to be prepared to work as part of a team. 

“Nursing is not a career to take lightly. This program gave me a foundation of skills that allowed me to build on my life experience and go forward with a new career.” 

Originally from England, Mark Powell had careers in the Royal Air Force and British Foreign Service, as well as the IT industry, before earning an associate degree in Nursing.


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Kim Nguyen

Oanh Kim Nguyen, MLT(ASCP)

Medical Laboratory Technician Methodist Medical Center of Dallas
“My first experience at community college was taking ESL classes at Richland and Brookhaven, which were close to where I lived. Then when I started exploring what kind of program I wanted to take for a career change, I saw Medical Laboratory Technology and transferred to El Centro ... I always tell people who are thinking about community college to think about Medical Laboratory Technology, and I tell them about my personal experience with the program. It’s a stable job, in a quiet environment with a lot less stress than many other medically related fields, and the people are very friendly and professional. I really love my job.”
English as a Second Language (ESL and ESOL), Medical Laboratory Technology
Dolores Schueler

Dolores (Dee) Schueler, BSN, LVN, RN, CRNI

Director of Nurses USBioservices
“Our instructors had high expectations and saw our potential. They let us know that it wasn’t going to be easy, but it wasn’t going to be insurmountable either.”
Nursing
Sylvia Moreno

Sylvia Moreno, BSN, RN

Director of HIV Services Parkland Hospital of Dallas
“Community college gave me everything I needed to take and succeed in classes for an advanced degree.”
Nursing
Shawn Terry

Shawn Terry, B.A., RRT, RCP

Respiratory Care Practitioner, Parkland Health and Hospital System
“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
Mark Powell
Mark Powell, RN
Registered Nurse, Emergency Department Baylor University Medical Center
Nursing
School of Health Sciences
Updated November 25, 2025