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Nursing Leadership

Nursing leadership at Methodist Health System in North Texas

Karla Ramberger, MSN, RN

Karla Ramberger, RN, MSN, CNO, Chief Nursing Officer at Methodist Dallas Medical Center in Dallas, Texas
Karla Ramberger, MSN, RN

Chief Nursing Officer, Methodist Dallas Medical Center

Karla Ramberger, MSN, RN, began her role as Methodist Dallas Medical Center's chief nursing officer (CNO) in November 2011, moving from her position as director of the Emergency Department at Methodist Mansfield Medical Center.

Ramberger holds a Bachelor of Science in nursing degree from the University of Texas at Arlington and a Masters of Nursing Administration from the University of Texas at Tyler. She joined Methodist Health System in 1994 as a nurse intern in the Emergency Department (ED) at Methodist Dallas. From there, she earned several promotions, including roles as ED clinical coordinator and director of risk management. Under Ramberger's leadership, the Methodist Mansfield Medical Center campus has achieved many milestones, including construction of an ED expansion, designation as a Cycle III Chest Pain Center, achievement of excellent lower than national average rates for patients in Left Without Being Seen (LWOB) statistics, and improved door-to-balloon times for STEMI heart attack patients. 

Teresa Land, MBA, BSN, RN

Teresa Land, MBA, BSN, RN

Vice President and Chief Nursing Officer, Methodist Charlton Medical Center

Teresa Land, MBA, BSN, RN brings a wealth of knowledge, experience, and passion to Methodist Charlton Medical Center. Since joining Methodist Charlton in 2008, she has served as director of nursing, and most recently, director of quality. Prior to joining Methodist Charlton, Land was the senior director of critical care at a children’s hospital in San Antonio. Land has been a registered nurse for over 20 years. She holds a Bachelor of Science in nursing degree from Texas Christian University, and a Masters of Business Administration with a healthcare focus from the University of Dallas. When still practicing at the bedside, Teresa was a Certified Critical Care Registered Nurse (CCRN) and Certified Nurse Operating Room (CNOR).   

Nora Frasier, MBA, RN, FACHE, NEA-BC

Nora Frasier Chief Nursing Officer at Methodist Mansfield Medical Center
Nora Frasier, MBA, RN,

Vice President and Chief Nursing Officer, Methodist Mansfield Medical Center

As CNO, Ms. Frasier will oversee patient care delivery, nursing fiscal management, regulatory compliance of nursing services and other ancillary patient care departments for Methodist Mansfield. A 20-year veteran of the health care industry, Frasier currently serves as a magnet program appraiser team leader for the American Nurses Association, where she reviews and conducts on-site surveys to assess organizations’ compliance with magnet program standards and readiness.

Frasier previously served three years as vice president patient care services and chief nursing officer at Texas Health Presbyterian Hospital – WNJ in Sherman, Texas. Reporting to the CEO, she was accountable for nursing and ancillary service departments representing more than 400 employees at the hospital. She was responsible for contributing to improvements in patient, employee, and physician satisfaction, as well as CORE measures to name a few.

Prior to that, Frasier served as vice president and CNO for JPS Health Network in Fort Worth. While there she was responsible for nursing operations and practice in the public health care system for a 567-bed tertiary care teaching hospital. In 2007, she served for nearly three years as CNO for Baptist Medical Center in San Antonio. While there she was instrumental in reducing nurse turnover from 27 percent to 17 percent in one year, reducing pressure ulcer incidences, improving core measures in AMI, CHF and pneumonia, and creating and implementing innovative staffing solutions while maintaining high productivity and improving employee engagement.

Prior to moving to San Antonio, Frasier served for 11 years in several leadership positions with CHRISTUS Spohn Health System and began the health system’s journey to seek magnet recognition.

She has more than 20 years of experience leading health care organizations in both operational and clinical services roles, and providing direction and strategy for nursing and patient care.

Irene Strejc, BSN, MPH

Irene Strejc, BSN, MPH has been named Chief Nursing Officer (CNO) at Methodist Richardson Medical Center
Irene Strejc, BSN, MPH

Chief Nursing Officer, Methodist Richardson Medical Center

Irene Strejc, BSN, MPH, recently joined Methodist Richardson Medical Center as the new chief nursing officer. Strejc is a 30-year veteran of nursing leadership and a graduate of Benedictine University in Lisle, Illinois. Her previous assignment was at Galesburg Cottage Hospital in Galesburg, Illinois.


"I enjoy the variety of opportunities that exist every day
in nursing to develop ways to improve the service
experienced by our patients, physicians and other
departments. It's also a privilege to partner with the
nursing  leadership and staff to create a great place
to practice nursing."
Irene Strejc

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To improve and save lives through compassionate quality health care.

To be the trusted provider of integrated quality health care in North Texas.

Methodist SHINES

Methodist Health System Foundation

Mayo Clinic Care Network 

P.O. Box 655999 Dallas, Texas 75265-5999  |  1-877-637-4297