Our Administrative Team consists of several members who are focused on the overall operations of the organization. They provide leadership in the day-to-day management of the organization, evaluate the system as a whole to problem solve challenges and solutions, remove obstacles, and ensure the hospital is running smoothly and efficiently.

Hospital Administration

Rex D. Walk, FACHE
Interim Chief Executive Officer

Rex is a skilled and effective healthcare leader with over twenty-five years of successful experience in primarily rural stand-alone, community hospitals and also in a large health system. In addition, he was employed for a national group purchasing organization (GPO) leading supply network activities for over one-hundred member hospitals of all sizes in the southeast United States and also has prior experience as an international and domestic contract negotiator.  Rex has his Master’s Degree and has achieved Fellow Status in the American College of Healthcare Executives (FACHE). He has demonstrated commitment to community, civic and volunteer activities.

His strengths include healthcare operations knowledge, improved organizational financial performance and revitalized organizational cultures.  He is also well-versed in project management, including building projects, new service lines and other program implementations. In addition, his leadership experiences have consistently resulted in a reduction in employee turnover and improved organizational cultures while achieving increased levels of patient satisfaction. His innovative, positive and agile leadership approach is best summarized by a simple sign on his desk stating simply, “It Can Be Done”.

Rex believes in the power of collaboration while not shying away from making difficult decisions.  His dual focus on results and relationships is ever-present in his leadership approach and in his belief that both are vital to success and synergistic in nature.  He remains a continual learner and educator, teaching university and college courses in a variety of areas including leadership, human resources and healthcare administration. Rex enjoys mentoring others and also is skilled at developing highly functioning teams and organizations committed to putting the patient first.  Rex is a person of high character and continually strives to be a positive difference for others and for organizations.

Accomplishments of Note:

  • Achieving ‘worst to first’ status in patient satisfaction at a large health system.
  • Voted by colleagues as an American College of Healthcare Executives (ACHE) Regent
  • Completion of several building projects on schedule and within budget.
  • Adept at developing and implementing effective market-driven and cost-justified growth strategies,
  • Effectively recruited and retained providers resulting in organizational growth and patient loyalty.
  • Implemented leadership development training that resulted in improved skills and leader effectiveness.
  • Successfully wrote and received grant funding on several projects of organizational significance.
  • Continually negotiated best in market pricing capital equipment purchases.
  • Regularly experienced year-upon-year service-line and statistical growth.

Rex and his wife grew up in a small, rural town in Western Kansas where both of their families were engaged in family farming operations. The Walk family currently reside in Frisco, Texas across the road from the new Dallas Cowboys Training facilities. They have three children with both their oldest daughter and son being officers in the US Air Force and US Army. Their youngest daughter is currently attending Baylor University and will be completing her undergraduate degree at the end of the next academic year.

Margaret Fontana, MBA, CHFP
Chief Financial Officer

Margaret joined the Memorial Hospital of Carbon County in 2024. Tapping into more than 25 years of experience in financial management, operations restructuring and regulatory compliance, Margaret brings a diversity of expertise and a proven track record of success earned at some of the nation’s top independent critical access hospitals. She has her CPA license in NC and ND and plans to become licensed in WY. As CFO, Margaret is responsible for all aspects of finance, revenue cycle, and information systems. Margaret comes to MHCC from Langdon Prairie Health in Langdon, ND.

Her healthcare experience includes FQHCs, RHCs, and CAHs. Prior to healthcare she worked for a leather importer and a demolition/scrap metal recycler. Making the leap from ND to WY was a big one, and one she was proud to make. Outside of the office, she enjoys travel, scuba diving, camping, genealogy and FaceTiming with her children, and grandchildren in North Carolina

Stephanie Hinkle
Director of Strategic Operations, Foundation Executive Director

Stephanie is a Carbon County native, growing up on a ranch outside of Encampment, WY.  Stephanie attended the University of Wyoming where she earned a B.S. in Agricultural Business and minor in Economics.

Stephanie has a career built on various business operations, including management for an agricultural equipment dealership, lending, and working for the State of Wyoming Department of Agriculture.

Joining Memorial Hospital of Carbon County in 2019, Stephanie began her work in healthcare as the Executive Assistant, quickly advancing to the Director of Marketing and Communications and Executive Director for the hospital’s Foundation Board.  Most recently, Stephanie accepted her current role as Director of Strategic Operations.

In her personal time, Stephanie focuses on her family, spending time with husband Jimmy and children Colton and Taylor.  The family enjoys traveling, various outdoor activities, and attending livestock shows  where Colton and Taylor show cattle. Stephanie is involved in a number of community organizations and serves on the DDA/Main Street board and the Carbon County Economic Development board.

“Carbon County is near and dear to my heart and I feel strongly about doing all I can to make a positive impact on the rural healthcare available to the residents that call this area home.  While I would not have foreseen myself working in healthcare, I have come to have an incredible appreciation for the critically important work performed by frontline healthcare workers and the economic vitality that healthcare helps bring to a community.”

Aimee Hickman
Director of Human Resources

Biography coming soon.

Janessa Mann, RN, BSN
Director of Nursing – Inpatient Services

Janessa Mann RN BSN, Director of Nursing Inpatient services joined the leadership team here at Memorial Hospital of Carbon County in November of 2022.

Janessa became a CNA as a junior in high school in 2008 and obtained her LPN license in 2012, graduating with an Associate in Nursing from Western Wyoming Community College in 2013, followed by a BSN.  Janessa has worked for MHCC in many capacities from CNA to RN from 2010-2020. In April of 2018 she became the Director of Nursing for the LTC Rawlins rehab and Wellness, while in that position she received the DNS of the Year Award for 2019 and was nominated for Wyoming Women of Influence in Healthcare for the Year 2019 and 2020.  In May of 2021, she graduated with her Bachelors of Nursing Science from Western Governors University.

Throughout her career she has worked in a multitude of different disciplines, from helping bring new life into the world to holding the hand of loved ones during their last moments. She is a dedicated, caring, compassionate nurse with a passion to build and lead a team of excellent healthcare workers to provide care to the residents of Carbon County.

Jessica Seldomridge, RN
Director of Nursing – Outpatient Services

Biography coming soon.

Jan Gulbrandson
Director of Ancillary Services

Biography coming soon.

Abbie Webster
Director of Clinics

Abbie Webster grew up in the Upper Peninsula of Michigan. She moved to Wyoming in the Spring of 2014 where she started in Environmental Services at Memorial Hospital of Carbon County. Over the past 10 years, Abbie has had the opportunity to work in various departments, such as the ER, Business Office, Clinics and Administration. Currently, Abbie is serving as the Director of Quality and Compliance where she oversees and maintains departments’ quality measures, files reports, ensures hospital and clinic compliance programs are being monitored and more.

In her spare time, Abbie enjoys spending time with her family and friends. Abbie and her husband enjoy camping, side by side riding, floating, ice fishing and are avid hunters. You can catch them in the outdoors year round!

Alexis Martinez
Executive Assistant

Alexis Martinez is a native of Rawlins, Wyoming. Her healthcare career started in 2017 as an Administrator for a medical coding company, where she obtained experience managing and maintaining all workflow processes for outpatient surgical coding between CCM and Ambulatory Surgical Centers across the United States. From there, she left Coding Compliance Management for an opportunity at Rawlins Rehabilitation and Wellness Center where she became the Executive Assistant. During her time at RRWC, she also obtained a Certified Nursing Assistant License through the Wyoming State Board of Nursing. She utilized her non-clinical and clinical skill sets in various departments at RRWC. In December of 2021, she was promoted to the Health Information Manager and the Admissions Director. She managed all of the general admissions process and medical records. Eventually, she was offered a position at Memorial Hospital of Carbon County as an Accounting Coordinator, where she learned extensively about accounting processes, payroll, and other financial responsibilities. Her knowledge and experience earned her opportunity. In June of 2023, she was promoted to the Executive Assistant role for Memorial Hospital of Carbon County.

Alexis is motivated to finish her college degree in Healthcare Administration. She believes there is always room for learning and self-improvement. Alexis is in the process of obtaining a college certification in Project Management. She has a newfound goal and passion for a future in driving strategic initiatives. She is excited to bring an even higher level of expertise to her role as an Executive Assistant. Her commitment to excellence remains unwavering. She is eager to embark on new chapters in her career.

She remains dedicated to MHCC, with 7+ years of experience supporting various C-Suite Executives in a fast paced healthcare environment. She is a master of efficiency and thrives on managing complex schedules, coordinating high-stake meetings, meeting deadlines, and ensuring seamless operations for the leadership team. She is passionate about enabling executives to achieve their goals. She continues to ensure the leadership team is supported to allow for time to focus on innovation and growth. She brings commitment to the fast growth of the organization’s vision and a passion for facilitating leaders’ success.

Outside of her career, Alexis is a devoted mother to her four children. She enjoys spending her free time with family and friends. She enjoys spending time outdoors, cooking, and reading. Alexis is grateful to be a part of such a wonderful community.