Research students


Matthew Leyenaar | Research Associate

Matthew is a student in the PhD HRM program, with a focus on health services research pertaining to frequent users of paramedic services and emergency departments. Matt's motivation for this research is drawn from 13 years working as a paramedic. He completed a BSc and MA in geography concentrating in using geomatics to evaluate paramedic service deployment. This has been particularly relevant as paramedic services adjust the provision of resources into preventative measures through community paramedic programs.  His continued research investigates outcomes associated with repeated use of 9-1-1 and case management of patients through community paramedic programs.


Aaron Jones | Research Associate

Aaron is a PhD student in the Health Research Methodology program at McMaster University. He has a Master's degree in biostatistics and several years of work experience in the home care sector in Ontario. Current research interests include: the effectiveness of home care services, the interaction between home care and other sectors of the health system, and applied statistical modelling.


Daniel Pearson-Hirdes | Research Associate

Daniel completed his undergraduate degree in psychology and business at the University of Waterloo. His current focus is on the development, implementation and testing of technology for law enforcement and health care personnel. His research involves mental health crisis prevention, crisis intervention, and transfer of care under apprehension.

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Mats Junek | Research Associate |

Mats Junek is a Canadian-Australian doctor currently completing a dual residency in public health, preventive medicine & family medicine at McMaster University in Hamilton, Canada. He is an advocate of big-picture approaches and empowering young leaders to tackle the incredible burden of non-communicable diseases around the world in both clinical medicine and public health. Throughout his training he has worked in non-profit research and advocacy to increase awareness around these issues. He is the director for the Americas of NCDFREE, a global social movement against NCDs that has reached millions of people. Mats has also organized and mentored advocacy & communication boot-camps on four continents; directed the f21y youth conference; and launched the short film The Taste of Change, with a second documentary forthcoming from Peru. He has written for Huffington Post, the PLoS Translational Global Health Blog, and His other research efforts include assisting with guideline development, researching patient outcomes when they attach to a primary care provider, epidemiological modelling of tobacco consumption in Australia, and using innovative solutions to address the burden of excess sugar in our diet.


Fabrice Mowbray | Research Associate |

Fabrice Mowbray is a PhD student in the Health Research Methodology program, specializing in health services research. Fabrice is a trauma trained Registered Nurse, currently working at the Children’s Hospital of Michigan in the emergency department (ED). He also draws from his clinical experience in adult and neonatal critical care. Fabrice received both his Bachelor and Master of Science in Nursing from the University of Windsor (2014 and 2017, respectively). Fabrice is interested in evaluating and informing models of care in geriatric emergency medicine and creating decision support systems for emergency department clinicians. More specifically, he is interested in the identification and care of frail older adults in the emergency department.

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Amina Jabbar | Research Associate |

Amina Jabbar is a resident physician in Geriatric Medicine and a PhD student in Health Policy at McMaster University.

Amina earned a Masters of Science in Health Research Methodology from McMaster University (2009). Her research focused on the development of a community engagement evaluation framework for the Local Health Integration Networks in Ontario using concept mapping, a mixed-methods and participatory-based approach. Amina subsequently graduated with a Doctor of Medicine from the University of Toronto (2013).

She also has a Bachelor of Social Work from Ryerson University (2007). With a focus on populations that have been traditionally marginalized, Amina’s work included developing tools to research neighbourhood-level health issues through the Centre for Research on Inner City Health (St. Michael’s Hospital). Amina is a board member of Progress Toronto, a not-for-profit organization that advocates and organizes for a socially just and progressive city.

Her research interests include evaluation metrics, health economics, and geriatric models of care.

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Ryan Strum | Research Associate |

Ryan is a graduate student at McMaster University working towards a MSc thesis with the Health Research Methodologies program. Ryan is a Primary Care Paramedic with Toronto Paramedic Services, and a former education faculty member at Sunnybrook Hospital’s Centre for Prehospital Medicine in Toronto. Ryan holds undergraduate degrees of BSc in Human Biology from the University of Toronto and BA in Economics from McMaster University. Ryan’s research interests focus on the progression of the prehospital medical profession through community paramedicine to decrease Emergency Department wait times and improve geriatric home care. He uses quantitative statistic paradigms primarily as his research methodologies, currently undertaking validations of the Common Assessments for Repeated Paramedic Encounters (CAPRE) project.


Derek Manis | Research Associate |

Derek is a health services and policy researcher with interests in aging and long-term care, health care funding and service delivery, health system performance, HIV and harm reduction, and interprofessional and primary health care. Prior to beginning his studies in the Health Policy PhD program and joining the Big Data & Geriatric Models of Care Cluster team, Derek obtained his Paramedic Diploma from Centennial College, and his Bachelor of Allied Health Sciences (Honours) and Master of Health Sciences degrees from the University of Ontario Institute of Technology. He has received financial support from the Ontario Graduate Fellowship program and the CIHR Institute for Health Services and Policy Research. Derek has published and presented his research at various conferences held in Canada and internationally. 


Komal Aryal | Research Associate |

Komal is a graduate student at McMaster University working towards an MSc thesis with the Health Research Methodologies program. Komal holds an undergraduate degree of BSc in Honours Life Sciences from McMaster University. Komal has previously worked as a research assistant with the Canadian Longitudinal Study on Aging (CLSA). Komal’s research interests include aging, long-term care and geriatric care. Komal’s research focuses on data analysis of the Nursing Home Medical Staff Organization (NHMSO) and the quality of care delivered to nursing home residents. Komal is completing her masters under the supervision of Dr. Andrew Costa.


Rebecca Correia | Research Associate |

Rebecca is a graduate student in the Health Research Methodology program at McMaster University. Rebecca earned a BSc in Honours Health Studies at the University of Waterloo. At the undergraduate level, Rebecca completed five co-operative education terms in hospital project management, EMR development and implementation, public health planning, and health research. Rebecca joined the BDG team for her final co-op term.

Currently, Rebecca is contributing to the ACT on Chronic Disease project by developing educational content and knowledge translation tools for informal caregivers and home care clients. She also develops educational content for the Professionalism in Clinical Learning project for medical and pharmacy learners. Rebecca is completing her MSc thesis under the supervision of Dr. Andrew Costa.


Bahram Rahman | Research Associate |

Bahram Rahman is a PhD student in the Health Research Methodology program at McMaster University. He has a Master’s in public policy and several years of work experience in the Ministry of Health, Ontario, in the area of primary care. His research interests include aging, health care access patterns of older adults who live alone in the community, and comparative effectiveness research methods in health services.