Meet the Senior Leadership Team

Jody Joseph Levac, President & CEO  Jody Levac, President and CEO

Jody has been the President and CEO of Stevenson Memorial Hospital since January 2014. Jody is recognized for his energetic and transformational leadership style, overseeing the strategic and operational planning of the hospital.

He previously worked at Southlake Regional Health Centre holding numerous leadership positions in Mental Health, and winning the award of Leadership Excellence in 2010. Jody has worked across both private and public sectors, starting his career in Northern Ontario hospitals. He was a recipient of the Northern Bursary after completing his Undergraduate degree from Laurentian University, and then attending the University of Toronto for a Master’s degree. In 2013 he completed a Doctoral Degree in Health Administration. Jody is a member of the College of Social Work, and holds the designation Certified Healthcare Executive (CHE) from the Canadian College of Health Care Leaders.  

He has led Stevenson Memorial Hospital through the redevelopment stages, and under his tenure, the hospital has achieved Accreditation with Exemplary standing. 

Julia Mullen, VP Clinical Services & Chief Nursing Executive  Julia Sek, VP Clinical Services and Chief Nursing Executive                                        
Julia, a Registered Nurse, joined SMH in 2022, having held positions at Hamilton Health Sciences, St. Michael’s Hospital, West Parry Sound Health Centre and Georgian Bay General Hospital. She has over 30 years of experience providing extensive hands-on clinical, strategic and operational expertise in academic and community hospitals. Julia has been in progressive leadership roles over the past 20 years, which includes working for the Ministry of Health to establish standards and care pathways. She supports and demonstrates that leadership and success is built on strong relationships, embracing and empowering change; while also working collaboratively with internal and external stakeholders to serve patients, families and communities with quality care. Julia has also participated in not-for-profit Boards (President of the Hemophilia Ontario and was an invited member to the Ontario Blood Advisory Committee –Blood Provincial Coordinating Office). She believes “we are the change we want to see in the world”.

Julia is responsible in providing leadership by establishing and monitoring criteria for clinical excellence and best practice in clinical services. She will contribute to our vision and guide the organization in the creation of a collaborative inter-professional practice environment that maximizes professional scope of practice and shared governance.

Julia has her degree in Health Sciences from Charles Sturt University, Australia, a Leadership Development certificate and a Master’s Certificate in Health Management from York University in Toronto, as well as certification in Clinical Risk, Negligence and Claims Management in Healthcare.  She is also a certified Yoga and Ayurveda practitioner.

Dr. Barry Nathanson, Interim Chief of Staff                                                 Doctor Nathanson Chief of Staff                                                  
In 1982, Dr. Barry Nathanson earned a BA (English Lit.) from Yeshiva University in New York City and graduated in 1990 from the University of Toronto Faculty of Medicine where he also completed his internal medicine training. In 1995, he began practicing internal medicine and critical care medicine at York County Hospital in Newmarket which, in 2000, became Southlake Regional Health Centre. Early on, Dr. Nathanson served as Medical Director of the inpatient Palliative Care Unit and later founded the Southlake Heart Function Program. He was President of the Southlake Medical Staff Association for four years. He then helped develop Southlake’s Clinical Resource Utilization Management Program.  Dr. Nathanson held the role of Southlake’s Physician Leader, Acute Medicine Programs from 2008-2017 and Medical Director, Critical Care Services from 2018-2022. In 2010 Dr. Nathanson completed a Master of Science degree in Health Care Management at the Harvard School of Public Health. He has served on two provincial task forces, the ER/ALC Advisory Committee and the ALC Action Team. 

In 2017, Dr. Nathanson completed a two-year term as co-chair of Southlake’s Quality, Utilization and Resource Management committee and he was named Chief of Staff at Stevenson Memorial Hospital, a role that he held for five years. He returned to Stevenson in August 2023 as Interim Chief of Staff.

Dr. Nathanson’s additional professional interests are in: Medical Bioethics and Health Law; Health Policy and Health Economics including the impact of different payor systems on clinical systems design and on clinical decision making; the role of Physician Leadership and Engagement in driving system change toward improved clinical safety, efficiency, and effectiveness; and physician health and wellness. His many personal interests include travelling, especially riding his Indian Springfield, together with his wife, Genny, all over Ontario, Canada, the US, and beyond.


William Bye, VP Corporate Services and Chief Financial & Information Officer William Bye Chief Financial and Information Officer

William has 30 years of extensive professional experience as a senior health care finance and operations professional. William is a Certified Fraud Examiner (CFE), a graduate of the Public Sector Leadership and Development Program at Memorial University, has Professional Certificates in Leadership and Strategic Management from Harvard University, a Diploma in Business Administration and is Project Management Certified.

William is a former Director of Finance/Administration and Regional Finance Controller with international and domestic experience in both the public and private sector. William comes to us with experience in all aspects of hospital business operations with strong motivational, communication and collaborative skills.  He also has a wide variety of experience in forensic accounting, law, human resources and informatics.  William’s previous roles included Provincial Manager, Management Information System Standards, and Health Analytics and Evaluations Services for the Province of Newfoundland, Regional Financial Controller of the Government of Manitoba – Burntwood Regional Health Authority where his main focus was to develop and control a budget in excess of $100 million for multiple locations in the northern half of Manitoba.

William has also directed a number of provincial health care sector committees and was a member of the National Financial Standards and Information Technical Working Group at the Canadian Institute for Health Information in Ottawa, a group responsible for providing expert technical advice on the development, maintenance and effective implementation of the national financial and statistical reporting standards for health care organizations in Canada. He also has extensive experience implementing and using large scale electronic health care software and business intelligence programs.

In August 2018, William became The Chief Financial and Information Officer (CFIO) and Vice President of Corporate Services. He is responsible for all financial aspects of the organization as well as Human Resources, Information Technology, Facilities, Environment Services, Food Services, Registration, Bookings and Health Information Services.