Our Team


The Grey Bruce IPAC team consists of our Hub Lead, two Infection Control Professionals, and our Program Assistant.


Dr. Zayad


Dr. Rim Zayed

Dr. Zayed is the Public Health Physician Consultant at Grey Bruce Public Health and contributes an extensive knowledge of infection prevention and control as the IPAC Hub Lead for Grey Bruce Region hosted by the Health Unit.

She trained at the University of Ottawa Public Health and Preventive Medicine Residency Program and worked as public health consultant at Renfrew County and District Health Unit, and as Medical Officer of Health in Northern Saskatchewan for three years where she worked extensively with Indigenous communities on issues related to social determinants of health and health inequities. During this time, she was an adjunct Assistant Professor at the University of Saskatchewan within the Community Health and Epidemiology Department.

She holds a medical degree from the University of Alexandria in Egypt and a Public Health Diploma from the High Institute of Public Health. She gained years of experience working overseas in infectious diseases prevention and control with the Eastern Mediterranean Regional Bureau of the World Health Organization (WHO) in Egypt. She also holds a PhD in Epidemiology from the University of Central Lancashire in England and worked as public health consultant and adjunct assistant professor in the United Arab Emirates.

Her role as Grey Bruce IPAC Lead involves planning and risk and quality assessment on Infection Prevention and Control in Grey Bruce, in addition to developing strategies to engage health care providers and facilitating intersectoral collaboration focused on reducing infection risk and improving multi-sectoral collaboration.



Infection Control Professional

Adel Coulter, RPN, CIC

Adel Coulter, RPN, CIC, has 18 years experience as a Registered Practical Nurse and has spent the past 10 years working in infection prevention and control. Adel holds her certification in infection prevention and control (CIC). Her work has focused on reportable infectious diseases, outbreak management, IPAC activities, assessment, investigation, and consultation in a variety of healthcare and non-healthcare settings.




Infection Control Professional

Krista Witzke, RN BScN

Krista Witzke has been a Registered Nurse for the past 18 years with the majority of her career being spent in Public Health.  Most recently she worked for four years as a Public Health Nurse (PHN) on the Infectious Disease Team before moving into the role of Infection Control Professional (ICP).  Her work has focused on reportable infectious diseases, outbreak management, case and contact management, investigation, assessment, and IPAC activities.  Krista has completed an IPAC Canada-accredited Infection Prevention and Control Course and is currently working towards her Certification in Infection Control (CIC) with the Certification Board of Infection Control and Epidemiology.



Program Assistant

Emma Millman

Emma is a Program Assistant that works within various sectors at Grey Bruce Public Health, including IPAC Hub, Communications, and Foundational Standards.

Emma Millman



Our Partners

IPAC Partners


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