Mary Patterson

Member, Board of Directors
Mary Patterson, MD

About Mary Patterson

IPSS represents those things that I have worked for in simulation for more than a decade. The members of IPSS are multidisciplinary and committed to advancing simulation-based training, education and research. They are also committed to bringing people of diverse backgrounds and professions together to exchange ideas, develop new skills and improve the care and safety of healthcare of infants and children. I have been fortunate to have the opportunity to serve on the IPSS board for the last three years. I hope to be able to continue to utilize my frontline and administrative experience in simulation for the benefit of IPSS and the simulation community.  

I am a pediatric emergency physician and I have had the opportunity to be one of the co-founders of two pediatric simulation centers. In each center, we had the opportunity to utilize pediatric simulation for multiple disciplines including nurses, residents, faculty, advanced practice nurses, nursing students and allied health students. My education includes a Master’s in Education from the University of Cincinnati and a Patient Safety Fellowship at Virginia Commonwealth University. My work over the last several years has been in the use of simulation to improve teamwork and communication as well as human factors work related to patient safety. I am passionate on the importance of multidisciplinary simulation training. I have been fortunate to receive federal funding for some of this work.

I believe that in the next several years, we will have opportunities to make simulation in healthcare a mainstream and essential part of both healthcare education and patient safety processes. Especially in pediatrics, we should be a primary driver in this expansion of the scope and utilization of simulation.

I understand that there are substantial challenges associated with sustaining an international simulation organization. One of our challenges is to ensure that IPSS is sustainable in the long term and has the means to continue to do this important work.. There is great richness in the diversity of members and disciplines in IPSS which presents great opportunities but significant effort is also required to ensure that all perspectives are heard and considered. I am honored to serve our membership as a member of the BOD and expect that just as any healthcare team should utilize all its members and resources, IPSS should also engage all of its members in the crucial work of our organization.


I am a UK-trained Neonatologist working in Starship NICU in Auckland, New Zealand. I am a member of the Douglas Starship Simulation faculty and lead the simulation programmer in NICU. My key simulation interests include education, communication and patient safety. I have been an active member of IPSS since 2011, member of the Education Committee since 2012, am a past Co-Chair of the Education Committee (2017-2018) and a current member of the Board of Directors. In collaboration with others, I established the IPSS-INSPIRE Fellowship in 2018 and am on the working group leading this initiative. My vision for IPSS is to continue to support collaborative knowledge sharing and research development in the pediatric and perinatal simulation community. My wish for IPSS is to see an increasing number of non-physician members and to support and develop the ability of those still at the early stage of simulation.



Dr. Carl Horsley

Intensivist, Counties Manukau Health, Auckland, New Zealand

Clinical Lead for Patient Safety, Health Quality and Safety Commission, New Zealand

Dr. Carl Horsley dual trained in Emergency Medicine and Intensive Care, and works clinically in the Critical Care Complex of Middlemore Hospital in Auckland, New Zealand. As part of his work there, he developed an in-situ simulation program specifically focused on building the adaptive capacity of the ICU team. This was put to the test in the Whakaari volcanic eruption with Middlemore being the national burns centre responding to a mass casualty event.

Carl is currently completing an MSc in Human Factors and System Safety at Lund University, Sweden with a thesis focusing on the sociology of safety.  He is also part of the Resilient Healthcare Society which is an international collaboration exploring the implications of resilience engineering in healthcare. As Clinical Lead for Patient Safety at the Health Quality Safety Commission, Carl is also involved in developing innovative approaches that support “work-as-done” by frontline to improve both patient care and staff wellbeing. He has published several book chapters on resilient healthcare and presented widely on the topic.


Dr. Andrew Petrosoniak

Emergency Physician & Trauma Team Leader, Assistant Professor

St. Michael’s Hospital and University of Toronto

Following an unsuccessful career as an intramural basketball player, Dr. Petrosoniak now works as an emergency physician and trauma team leader at St. Michael’s Hospital. He’s an assistant professor at the University of Toronto and an associate scientist at the Li Ka Shing Knowledge Institute. He’s the lead for translational simulation at St. Michael’s Hospital which involves the application of simulation techniques to identify issues and support the design of solutions related to healthcare delivery and improving health service outcomes.

More accurately, he seeks to reduce the number of F-bombs by providers linked to poor system/space design in healthcare. He also applies this work in the private sector as the co-founder of Advanced Performance Healthcare Design, a design and consulting firm that uses multi-modal simulation techniques to inform the design of clinical infrastructure, equipment and high performing teams.




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