Valerie Powell-Stafford, FACHE

Valerie Powell-Stafford, FACHE

Chief Executive Officer

Valerie is an experienced healthcare executive with over 20 years of experience in a wide variety of healthcare management settings. She joined Northside Hospital as the Chief Executive Officer after being the CEO at Englewood Community Hospital for three years. Prior to her CEO role at Englewood, she was the Chief Operating Officer at Blake Medical Center in Bradenton, FL, Chief Operating Officer at Doctors Hospital of Sarasota in Sarasota, FL, and Assistant Administrator at Community Hospital in New Port Richey, FL. Her previous executive leadership experience includes Program Administrator at the H. Lee Moffitt Cancer Center & Research Institute in Tampa, FL and director of various departments at the St. Joseph Health System in Tampa, FL and Yale New Haven Hospital in Connecticut.

Valerie has had many professional and civic affiliations, including Leadership Academy Fellow, The Advisory Board Company; Board member, University of Michigan Health Management Alumni Program; Board Member, Sarasota/Manatee American Heart Association; President-Elect, Englewood Chamber of Commerce; and Board Member, Metropolitan YMCA Board. Additionally, she was honored by the Sarasota YMCA as a recipient of the 2014 Star Adult Achiever Award and Second Chance Last Opportunity as a recipient of the 2017 Community Champion Award.

She is a graduate of Indiana University with a Bachelor's of Science degree in Health Administration and a graduate of University of Michigan with a Master's of Health Services Administration degree. Board certified in healthcare management as an American College of Healthcare Executives (ACHE) Fellow, she has served on the Board of Governors. She previously served as Chairperson, Board of Governors Examination Committee, served on the CEO Search Committee, and served as Western Florida Chapter President. She is also a recipient of the ACHE Exemplary Service Award.

Peter Kennedy, MHA, FACHE

Peter Kennedy, MHA, FACHE

Chief Operating Officer

Peter joined Northside Hospital from Centennial Medical Center in Nashville, TN, where he served as the Associate Chief Operating Officer. Prior to joining the Centennial team, he worked with HCA Virginia at Chippenham and Johnston-Willis Hospitals (CJW) in Richmond, VA. He joined HCA in June of 2013 from Virginia Commonwealth University Health Systems (VCUHS) MCV Physicians, where he held the position of Associate Administrator of Business Development, focusing on community alignment and physician engagement.

Born in Salt Lake City, Kennedy received his bachelor's degree from the University of Phoenix and his Masters of Health Administration from VCU Medical College of Virginia campus.

Peggy Gatliff

Peggy Gatliff, MBA, CPA

Chief Financial Officer

Peggy Gatliff is currently the Chief Financial Officer at Northside Hospital after previously being the Division Controller for the last five years at the HCA West Florida Division. Peggy has more than 26 years of financial management experience, 20 of which has been in the healthcare industry, including 11 years with HCA. Earlier in her career, Peggy was Controller at Northside Hospital.

During the course of her career she has worked in a few other industries including broadcast and manufacturing before discovering the world of healthcare financial management. Prior to joining HCA, Peggy spent almost 10 years working in Physician Practice Management for companies including Medpartners (Diagnostic Clinic) and Vision 21, serving in PPM and Group Controller positions. Peggy joined HCA as part of the executive development program in March of 2004, interning at Methodist Hospital in San Antonio, TX. She joined the West Florida Division in March 2005 serving in Controller and CFO positions at hospitals within the Division until February 2012 when she was promoted into her role as Division Controller. Peggy is a CPA, holds a Bachelor’s degree from the University of South Florida and a Master’s in business with a focus in healthcare management from St. Leo University. Memberships held in HFMA (Healthcare Financial Management Association), and ACHE (American College of Healthcare Executives).

Outside interests include: competitive spearfishing, golf, and travel.

Ira Siegman, MD

Ira Siegman, MD

Chief Medical Officer

Ira Siegman, MD, has served as Chief Medical Officer at Northside Hospital since November of 2013. Dr. Siegman has over 10 years of medical administrative experience, and in his previous job, served as Vice President of Medical Affairs at Morton Plant North Bay Hospital. Prior to a career in medical administration, Dr. Siegman practiced cardiothoracic surgery for 12 years in the Tampa Bay Area at Regional Medical Center Bayonet Point, Brandon Regional Hospital, and Tampa General Hospital.

John Polisknowski, RN

John Polisknowski, RN

Chief Nursing Officer

John Polisknowski joined Northside Hospital as the Chief Nursing Officer in November 2017. Previously, John was the Assistant Chief Nursing Officer at The Medical Center of Trinity. John has a strong, and very diverse array of clinical experiences that he brings to Northside. His exposure includes emergency services, ICU, behavioral health, and various inpatient nursing units. John grew up in Jacksonville, FL. He attended the University of South Florida for his undergraduate education, Florida State College for Nursing, and Liberty University for his graduate education.

Rency Atly MSN, RN

Assistant Chief Nursing Officer

After being the Director of Med-Surg for over a year, Rency was named Assistant Chief Nursing Officer. She was born and raised in Kuwait. Rency moved to India to receive her BSN and graduated in 2002. She has been a nurse for over 15 years with clinical experience in Pediatric oncology, Med - Surg, PCU, ICU, and ER. Rency moved to the United States in 2006 and graduated from the University of Phoenix with a MSN in 2011. She has been with HCA for over 11 years having spent ten years at Palms of Pasadena Hospital as a Nursing Director before coming to Northside.

Joe Schlagheck<

Joe Schlagheck

Vice President, Business Development

Joe has over 25 years of hospital senior leadership experience in the Tampa Bay area holding various administrative positions at Palms of Pasadena Hospital and with the last 13 years with Northside Hospital. Joe's current position is Vice President of Business Development and he provides support for Facility recruitment, physician contracting and oversight of the Graduate Medical Education program.

Danny Cox, RN

Danny Cox, RN

Vice President of Quality and Patient Safety

Danny has over 25 years of healthcare experience that includes direct patient care, clinical leadership, and hospital operations. He graduated with a Bachelor of Science in Nursing from the University of Oklahoma in 1994, and received his Master of Business Administration with a specialization in Healthcare Management from the University of Phoenix in 2005. Danny holds professional certifications in healthcare quality (CPHQ) and infection prevention and control (CIC). Prior to joining the leadership team at Northside Hospital he worked as a transitional leader for HealthTrust Workforce Solutions, an HCA affiliated company that provides interim leadership and consultation for HCA and other healthcare providers.

Tiffani Smith

Tiffani Smith

Vice President of Human Resources

Tiffani joined HCA in 2004, providing administrative and HR support primarily in the HCA Richmond, VA market. Tiffani has a wealth of experience having worked as an HR Recruiter, Generalist/Business Partner, and Director. She earned her bachelor's degree in communication from George Mason University and master's degree in business administration with a human resources concentration from Strayer University. In addition to providing strategic HR leadership, Tiffani has broad experience including benefits, employee relations and engagement, payroll, leadership and development, and talent acquisition.