Leadership Team and Board of Directors

Carol W. Sim, RN, MPH

President & Chief Executive Officer

Carol brings more than 30 years in healthcare and leadership experience to Siskin Hospital, including eleven years as a CEO.

Carol recently served as President and CEO of the Rehabilitation Hospital of the Cape and Islands, a member of the nationally acclaimed Spaulding Rehabilitation Network in Boston. Her experience also includes serving as CEO of a rehabilitation hospital in Florida, as well as a home health organization in Connecticut. Additionally, she has served for 16 years in a variety of clinical and management roles at Yale-New Haven Hospital.

Carol’s extensive community involvement as a director for many organizations such as the Cape Cod Symphony, Cape Cod Five Cent Bank, Cape Leadership Institute, and Cape Technology Council led the Cape Cod Times to characterize her as “one of a handful of the most influential people on the Cape over the past decade.” She was awarded the Cape Cod Leader of the Year Award from the Cape Leadership Institute and the Woman of Achievement Award from the Professional and Business Women’s Association of Cape Cod.

She serves on the Chancellor’s Roundtable at UTC and on the UTC School of Nursing Advisory Board. Additionally, Carol serves on the Board of Directors of the American Medical Rehabilitation Providers Association and also serves on their Research & Data and Membership Committees.

Carol holds a Bachelor of Science degree in Nursing, as well as a Masters of Public Health in Health Policy and Management, both from Columbia University.

“As President and CEO of Siskin Hospital, I strive to approach all interactions with authenticity, integrity, honesty, and infectious enthusiasm. We are blessed to have the opportunity to care for individuals rehabilitating from illness and injuries, and our staff is dedicated to providing the best care available. To walk alongside one’s rehabilitation journey is a sacred trust I don’t take lightly, and I aim for Siskin Hospital to continue reaching thousands of patients and their families by providing the keys for a wonderful life beyond disability.”

Carol Arnhart

Vice President of Finance, Chief Financial Officer

Carol brings more than 30 years of experience in healthcare finance, more than 25 years of which have been in senior leadership positions. She has served for more than 20 years in acute care hospitals with hospital-based home health, hospice, dialysis, ambulance services, and skilled nursing/long-term care.

Currently, Carol’s responsibilities include financial management, reporting, budgeting, and information systems. She has been employed at Siskin Hospital since 2005.

Carol holds a Bachelor of Business Administration with a concentration in Accounting from Middle Tennessee State University.

She is a member of Healthcare Financial Management Association and has served on the Financial Analysis Workgroup of the American Medical Rehabilitation Providers Association.

Dr Bowers

David Bowers, MD

Medical Director, Admitting Physician

Dr. Bowers is a graduate of Southern Adventist University in Collegedale, Tennessee. He attended medical school at Loma Linda University in Loma Linda, California and completed his Internal Medicine Internship at Mt. Carmel Medical Center in Columbus, Ohio. He completed his residency at Ohio State University, where he specialized in Physical Medicine and Rehabilitation and was also named chief resident.

Dr. Bowers is board certified in Physical Medicine and Rehabilitation, as well as an Independent Medical Examiner and is also certified with the American Board of Electrodiagnostic Medicine (EMG/NCS). He is a member of the American Board of Independent Medical Examiners, the American Association of Electromyography and Electrodiagnosis, the American Academy of PM&R, the American Medical Association, and the Chattanooga-Hamilton County Medical Association.

Dr. Bowers was previously appointed as a Clinical Instructor of the PM&R Department at the University of Pennsylvania and is currently an Assistant Professor in the PM&R Department at the University of Tennessee College of Medicine, Chattanooga Unit. In 1999 and 2000, Dr. Bowers was honored as Teacher of the Year at the University of Tennessee’s College of Medicine, Chattanooga Unit. He is the immediate past president of the Tennessee Academy of Physical Medicine and Rehabilitation. Dr. Bowers is a member of the Tennessee Medicare Contractor Advisory Committee for Cahaba Government Benefit Administrators.

In addition to numerous medical abstracts, presentations and publications, Dr. Bowers has worked with an exchange program with the Institute of Spinal Cord Rehabilitation in Moscow, Russia. Since 1996, he has been an active staff member at Siskin Hospital, where he currently serves as the Medical Director.

Dr. Bowers specializes in Spasticity Management and performs Botox ® and Myobloc ® Injections and ITB (Inthrathecal Baclofen) pump management.

todd cain


Vice President, Administration

Tod received his Bachelor of Science degree in Occupational Therapy from Louisiana State University Medical Center in 1986.

As a full time clinician for more than 20 years, he became one of only three Neurodevelopmental Treatment Association Adult Hemiplegia Occupational Therapy Instructors in the world.  During this time, he traveled throughout North America teaching nurses and occupational, physical and speech therapists practical hands-on approaches to managing patients.   He was awarded a patent on multiple therapeutic devices, one of which won the 1997 Maddock Award.

In 2009, Tod received his Master of Business Administration degree from Southern Adventist University.  He received a Nursing Home Administrators License in 2013.  He received his Fellow designation from the American College of Health Care Executives in 2014, which is the highest standard of health care executive development. In 2015, Tod completed the Executive Program of the American College of Healthcare Executives (ACHE), the nation’s leading professional society for healthcare leaders.

Tod is a CARF Surveyor, providing his expertise in both administrative and clinical capacities.

“I am honored to be a part of the Siskin Hospital family, where excellence in care is something that we all strive for every day.”

Teresa Dinger

Teresa Dinger, MBA

Administrative Director of Marketing and Referral Relations

She has been with Siskin Hospital since 1993. She is responsible for the Hospital’s overall admissions, the marketing and advertising functions, and the Hospital’s fundraising and special events. Ms. Dinger has an MBA with a marketing concentration and a Bachelor of Science degree in Business Administration from the University of Tennessee Chattanooga.

She is a graduate of Leadership Chattanooga and the recipient of Freedom Foundations Distinguished Citizen Award. She was a 2015 Women of Distinction Honoree. During her career, Teresa and her team have won numerous local, regional, and national advertising awards.

“I am grateful for the opportunity to work with such an amazing group of Caring People, who really do Change Lives each and every day. I consider it an honor and a privilege to be able to play a small part in telling the stories of our patients as they begin to get their life back.”

Shane PilcherShane Pilcher, MBA, CHCIO, FHIMSS

Administrative Director and Chief Information Officer

Shane has more than 25 years of healthcare and healthcare IT experience. He brings to Siskin Hospital his strong healthcare, military and corporate experience in leading teams to align IS strategy with corporate strategic plans.

Shane became a Registered Respiratory Therapist in 1995 while in the United States Navy where he served as a Respiratory Therapist, Navy Corpsman and EMT. In 2003, he converted to an Intelligence Specialist where he served time in Iraq and was the leading Chief over the Naval Intelligence Reserve Region Southeast’s Reserve Intelligence Training program. Shane retired as a Chief from the United States Navy with more than 20 years of active and reserve service. He has also received his Fellowship designation from Healthcare Information and Management Systems Society and holds an MBA from the University of Tennessee Chattanooga.

“It is humbling to be able to work with the great men and women of the Siskin Hospital family. They are making a difference in our community by changing lives each and every day. It is an honor to be part of that legacy.”

Curtis PowellCurtis Powell, MHA, RCP, RRT

Vice President, Quality

Curtis has served in hospital administrative or management roles for the past 31 years. Formerly, he was the  Administrator of the Transitional Living Center, Assistant Hospital Administrator, and Director of Respiratory Therapy Services at Casa Colina Centers for Rehabilitation. He also served as Assistant Administrator, Interim CEO, Director of Quality and Risk Management, and Director of Respiratory Care at Kindred Hospital Ontario. Curtis was the Director of Cardiopulmonary Services at Doctors Hospital, Montclair and Ontario Community Hospital. Additionally, he served as the Director of Cardiopulmonary Services at St. Mary Desert Valley Hospital.

Curtis maintains his Respiratory Therapy licensure in both Tennessee and California. He has broad clinical experience including working and supervising cardiac, pulmonary, trauma, neuro-trauma, pediatric and neonatal intensive care units, and served as a member of flight teams and code blue teams.

Curtis has been involved in health education for most of his career.  He has guest lectured on the topic of pulmonary mechanics at Western University of Medicine to second-year medical students.  He has presented to the North Dakota Society of Respiratory Care on Passy Muir valve use in ventilator patients. He has taught coursework on respiratory therapy theory and application to respiratory students at American Career College.  He is a current Advanced Cardiac Life Support and Basic Life Support Instructor. Curtis’s publications include: Gudsteinsdottir, E. & Powell, C. (2004). “Passy-Muir valve Helps Ventilator Patients Speak,” Advance for Respiratory Care Practitioners, 17(8), 31.

Curtis has a master’s degree in Health Administration from the University of La Verne; a bachelor’s degree in Business and Management from the University of Redlands; and an Associate in Science in Respiratory Therapy from Victor Valley College.  He has his Registered Respiratory Therapist credential from the American Association of Respiratory Care.

“Siskin Hospital was founded and lives on the principle of giving to those in need, recognizing that we are blessed for all that we currently have. ‘Never walk away from someone who deserves help:  your hand is God’s hand for that person.’  Proverbs 3:27 (The Message).”

Tracy Reed

Tracy Reed, DNP, MBA, RN, CRRN

Vice President Patient Care Services, Chief Nursing Officer

Tracy received a Bachelor of Science in Nursing from the University of Tennessee Knoxville in 1984, followed by a Master of Business Administration from Kennessaw State University in 1998.

Tracy is uniquely experienced to be the Chief Nursing Officer (CNO) and Vice President of Nursing and Patient Services because she has worked in every level of care that Siskin Hospital provides. She has been a CNO for nearly 20 years – first at the Shepherd Center in Atlanta where she worked for 10 years, then at two acute care hospitals in Tennessee. She also has experience in long term care, having worked in a nursing home early in her career. Additionally, Tracy has worked in surgical services, orthopedics, and diabetic control. Her past experience includes serving as a Med-Surg/ICU Program Director, an Infection Control Nurse, Employee Health Nurse, Patient Education Coordinator, and Chief Operating Officer.

In 2007, Tracy earned her certification as a Certified Legal Nurse Consultant. She earned her Doctorate in Nursing Practice from American Sentinel University in 2014.

“Understanding and respecting patients’ values, preferences and needs is the foundation for providing excellent patient care.  It is a privilege to be part of a dynamic team that is entrusted with assisting patients and families to reach their goals and maximum level of function.”

Arnold Smith, MBA

Chief Human Resources Officer

Arnold has 15 years of experience in human resources in a variety of industries.

He holds a Bachelor of Science degree in human resource management, as well as an MBA with a concentration in employment law from Troy University. He has completed the Wicklander-Zulawski training program in Workplace Investigative and Interviewing Strategies. Arnold is a member of the Society for Human Resource Management and the National Black Master of Business Administration Association.

A former professional basketball player, Arnold enjoys mentoring young human resources professionals.

“Maya Angelou said, ‘You can only become truly accomplished at something you love. Don’t make money your goal. Instead pursue the things you love doing and then do them so well that people can’t take their eyes off of you.’ Since joining Siskin Hospital for Physical Rehabilitation, I can finally say that I have accomplished being a part of something I truly love.”

Cindy Wheeler

Cindy Wheeler, BS

Administrator of Siskin SubAcute West

Cindy has worked for 23 years in the skilled nursing level of healthcare and has been a Licensed Nursing Home Administrator since 2005.  In her role, she is responsible for the overall management of the facility which includes the welfare and safety of patients and employees consistent with the facility’s quality improvement plan. She has a Bachelor of Science degree from the University of Tennessee Chattanooga.

Cindy has been a member of the Tennessee Healthcare Association and the Chattanooga Healthcare Association for more than 15 years.

“Optimism and hope are the culture at Siskin Hospital and I feel extremely blessed to be a part of a program where there are no limits to what is possible.”




Siskin Hospital Board of Directors (FY2020)

Trudy A. Harper (Chair)

Charles L. Arant

Monique P. Berke

Rose E. Decosimo, CPA

Michael Fillauer

Tangela W. Johnson

Jones Krogh, CPA, CFP

Jeff Lett

Michael G. Mathis

Elizabeth (Betsy) McCright

Richard P. (Rick) McKenney

James J. O’Connell, III, MD, FABFP

Vimal Ramjee, MD FACC

Valerie C. Rutledge, Ed.D.

Marcus K. Shaw

Carol W. Sim

Robert H. Siskin

Jennifer L. Weaver

William F. (Bill) Wilder, Jr.