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Physicians and Medical Learners

Chief of Staff Office

The chief of staff office provides a number of services to support and facilitate the relationship of St. Mary’s General Hospital (SMGH) and Grand River Hospital (GRH) to the professional staff (physicians, dentists and midwives). Our purpose is to work closely with medical leaders, hospital administrative leaders and medical schools to support recruitment, credentialing, career and leadership development planning, orientation and medical education.

835 King St. West, Kitchener, Ontario N2G 1G3
Phone: 519-749-4300 ext. 3892
Fax: 519-749-4293

Dr. Peter Potts, Chief of Staff
St. Mary’s General Hospital/Grand River Hospital

Lindsay Caroppo, Interim Medical Affairs Coordinator
519-749-4300 ext. 2507

Jacob Alexander, Medical Education Coordinator
519-749-4300 ext. 2525

Mirlinda Ahmeti, Interim Executive Assistant
519-749-4300 ext. 3892

  • Anesthesia: Dr. Magid Morgan, Common Chief GRH/SMGH
  • Cardiology: Dr. Jaffer Syed, Common Chief GRH/SMGH
  • Cardiac Surgery: Dr. Gary Salasidis, Chief SMGH
  • Complex Continuing Care and Rehab: Dr. Lisa DiNicolo, chief GRH 
  • Critical Care Medicine: Dr. Ted MacKinnon, Interim Chief GRH; Dr. Jon Langridge, Interim Chief SMGH
  • Diagnostic Imaging: Dr. Derek Karanwal, Common Chief GRH/SMGH
  • Emergency Medicine: Dr. Bill Kalirai, Common Chief GRH/SMGH
  • Hospitalist and Family Medicine: Dr. Phil Kowtecky, Common Chief GRH/SMGH
  • Internal Medicine: Dr. Rebecca Van Alstine, Common Chief GRH/SMGH
  • Laboratory Medicine: Dr. Dimitrios Divaris, Common Chief GRH/SMGH
  • Nephrology: Dr. Gerald Rosenstein, Chief GRH
  • Nuclear Medicine: Dr. Caroline Champagne, Chief SMGH
  • Oncology: Dr. Gregory Knight, chief GRH
  • Pediatrics: Dr. Carolyn Hutzal, Chief GRH
  • Psychiatry: Dr. Lori-Anne Williams, Chief GRH
  • Pulmonary Services: Dr. Rob Chernish & Dr. Jade Coyne, Common Co-Chiefs GRH/SMGH
  • Reproductive Medicine: Dr. Emma Wakin, Chief GRH
  • Surgery: Dr. Bogdan Paun, Common Chief GRH/SMGH

The medical staff association represents physicians on various hospital committees. Meetings provide an open platform for medical staff to ask questions and raise concerns to hospital administration and chief of staff. 

President - Dr. Gunit Kang

Vice-President - Dr. Jayant Ramakrishna 

Treasurer - Dr. Peter Schuringa