To connect with our Senior Management Team please reach out to the Executive Assistants Team. Vincci Tang Chief Financial Officer Dr. Amer Burhan Physician-in-Chief Karim Mamdani President and CEO John Chen John Chen, Chief Operating Officer (COO) Dr. Philip E. Klassen Vice-President Medical Services Andrea Marshall Chief of Communications and Patient Experience Dawne Barbieri Vice President, Clinical Services and Research Sanaz Riahi Vice President, Clinical, Practice and Chief Nursing Executive