Our Leadership
Mary Douglas
Mary Douglas, RN
Owner and President

Ms. Douglas is the visionary and founder behind Mobil Dialysis, Inc. In 1984, she saw an opportunity for an outsourced option for local hospitals when addressing their in-patient hemodialysis needs. Since the company's inception, it has remained a nurse-owned and operated small business thriving in greater Central Florida.

Ms. Douglas earned her Nursing degree from Jackson Memorial Hospital in Miami, Florida and began her career at The Medical College of Virginia in Richmond as a Pediatric Nurse. After moving to Orlando in 1979, she began working for Florida Hospital South as a Critical Care Nurse.

She is a member of the American Nephrology Nurses' Association (ANNA) and continues to lead the company through the ever changing landscape of healthcare in an acute setting.

When she's not at the helm of an MDI project, Ms. Douglas enjoys spending time with her husband, two daughters and five grandchildren. She can often be found hiking, biking, skiing, watching great movies or doing anything that involves her grandkids.

Victoria Nelson
Victoria Nelson, BSN, RN

Ms. Nelson attended the University of Florida for one year and moved on to graduate from the University of Massachusetts-Dartmouth with her Bachelor’s in Science & Nursing. During this time, she lived and worked in the greater Boston area, strengthening her role in the nursing field. She moved to the Philadelphia area and had the opportunity to work in a large Level 1 Trauma Hospital where she was a nurse and later a charge nurse in ICU.

Ms. Nelson joined MDI in 2004 as a staff dialysis nurse. Before long, Ms. Nelson was promoted to Charge Nurse over one of their highest census in-patient dialysis units. As Charge Nurse, she was on the front line, developing leadership, conflict resolution and nursing management skills. The aspects of MDI Charge Nurse that Ms. Nelson found the most interesting were managing the ever-changing environment of healthcare today and incorporating the needs of the staff to handle these changes and challenges.

In 2012, Mobil Dialysis was poised to experience new growth and as such Ms. Nelson moved into the role of Chief Nursing Officer. As CNO, Victoria continued to improve and facilitate communication between Mobil Dialysis and the administrative teams at all customer hospitals. She is also responsible for strategies to improve overall service, assisting in reaching established goals, maintaining satisfactory outcomes and aiding in overall profitability. Creating a positive, collaborative work environment is essential to Ms. Nelson and what she strived to accomplish at all times within the role of CNO.

As of October 2018, Ms. Nelson became Chief Executive Officer with a demonstrated history of working in the hospital and a great knowledge of the health care industry. Skilled in Nursing Education & Physical Relations, Victoria was the obvious choice to take MDI to the next level as they continue their plan for growth and expansion. She is a strong business development professional with a dynamic background and is a leader in serving corporate operations. Ms. Nelson has a proven track record for effective team management and results driven leadership.

In her down time, Ms. Nelson is the proud mother of three boys who are actively involved in sports. The flexible schedule provided by MDI enables her to achieve a healthy balance between work and family.

Ndidi Nwamu
Dr. Ndidi Nwamu, DO, MBA
Medical Director

Dr. Nwamu is based in Orlando, Florida and is MDI's own board-certified Medical Director. She is specialized in both Nephrology & Internal Medicine. After completing her medical studies in the New York College of Osteopathic Medicine (NYCOM), Dr. Nwamu went on to do her residency at Columbia University College of Physician & Surgeons, Stamford Hospital. During her medical studies Dr. Nwamu also successfully completed her Master in Business Administration, and further went on to complete a fellowship gaining her expertise in Nephrology. Rest assured that when you are in the healing hands of Dr. Nwamu you will get top notch, first class, quality kidney care.

Kerrey Thornton
Kerrey Thornton, RN, CNO
Director of Education

Mrs. Thornton began her nursing career in 1998 as an LPN, serving roles in the Medical Surgical Unit at Leesburg Regional Hospital and on the staff with a local pediatric physician’s office. In 1999, she found her way to dialysis.

Earning her RN in 2003, Mrs. Thornton performed several roles for a large corporate dialysis center, both in an acute and chronic capacity. She parlayed her experience from this role into a management position with a small independent clinic opening their first unit in 2005. After the corporate purchase of this clinic, Mrs. Thornton was appointed to the position of Facility Administrator where she managed a 16 chair unit in Leesburg, Florida.

After 13 years in the industry, Mrs. Thornton found her true calling within the field of dialysis when she took a position as the Director of Education with Mobil Dialysis. She was quickly promoted taking on several new and challenging roles within the administrative team at MDI. In 2019, she earned the title of CNO and she now oversees the nursing staff as well as several quality and education departments.

When not wearing her many hats at work, Mrs. Thornton enjoys time with her husband and children. Most weekends they can be found cheering on their son who plays travel baseball and their daughter who is a competitive dancer.

Shana Brown
Shana Brown, PHR, SHRM-CP
Director of Human Resources

Mrs. Brown’s career path to Human Resources started with a corporate agency position in Public Relations for a global firm in Atlanta, GA. She held another PR role for a local boutique agency in Winter Park, FL when she transitioned her professional skills and vision for organization to be the Operations Manager for a start-up broadcast equipment sourcing company.

In 2005, due to the growth of Mobil Dialysis, Mrs. Brown was sought out by the company’s owner to take on several roles that the Owner/President was currently performing. Coming on board as MDI’s Business Manager was the first true step into her soon-to-be professional passion within the realm of Human Resources.

In 2013, Mrs. Brown earned her dual Human Resource certifications and continues to serve MDI in multiple roles stemming from an HR focus.

Mrs. Brown attended the University of Florida graduating with honors with a Bachelor’s of Science in Public Relations with a minor in Sociology.

When her HR hat comes off, Mrs. Brown enjoys spending time with friends and family in their home in Eustis, FL. Her husband owns and operates a construction company and their three children keep them active and on the go.