Dr. Kathleen (Casey) Clarkson (she/her) Dr. Clarkson completed her training in Internal and Geriatric Medicine at Dalhousie University. She has been working as a geriatrician with Horizon Health Network since 2014. In addition to her clinical work in the care of older adults, Dr. Clarkson...
Kathleen Buchanan Kathleen Buchanan is the Clinical Executive Director for Horizon Health Network’s Addiction and Mental Health Program. Kathleen joined Horizon in 2011 as a Patient Safety Consultant and in 2015 moved into a leadership role with Addiction and Mental Health Services...
Margaret Melanson Margaret Melanson is the President and CEO of Horizon Health Network and in 2025, she was named a Top 50 CEO in Atlantic Canada by Atlantic Business Magazine for her pioneering and transformative work in people-centred care. She has held...
Dr. Nachiketa (Nachi) Sinha Dr. Nachiketa (Nachi) Sinha has been practicing as a consultant psychiatrist in New Brunswick since 2006. Prior to that he graduated from Karnatak University in Dharwad, India in 2001, received his training in psychiatry at Cambridge Deanery, and worked at...
Jeff Carter Jeff Carter is the Vice President Quality, Patient Experience and Professional Services for Horizon Health Network. He is responsible for Emergency Management; Security, Safety Services & Parking; Patient Experience and Engagement; Volunteer Services; Patient Safety; Quality; Risk Management; Accreditation; Policies...
Greg Doiron Greg Doiron is Vice President of Clinical Operations for Horizon Health Network. In this role, he provides strategic leadership and oversight for all clinical service delivery at the organization's 12 hospitals across the province. His responsibilities include overseeing multitude of...
Jacqueline (Jackie) Gordon Jackie is Horizon’s Corporate Director, Nursing and Chief Nursing Officer and brings to this role a wealth of experience, having served as the Regional Director of Nursing Practice for the past eight years. Prior to her current position, Jackie held...