Our vision
At Gray, we are driven by a vision of a healthcare system where no resources are wasted. Our team of experts is united around its mission: to put technology at the service of a sustainable and equitable health system, by becoming the operating system for healthcare. We are on a journey to delivering strategic and operational excellence in cancer care for each patient, one centre at a time.
Meet The Team
Gray Oncology Solutions was founded in 2019 by two PhDs in medical Physics, André and Marc-André, and their professors, Louis-Martin, Nadia and Jan. Their goal was to solve the “last mile problem” of bringing decades of research to clinical reality.
They have now been joined by a talented team of professionals with a unique blend of technical, clinical and academic expertise.

André Diamant
Co-founder & CEO
PhD Medical Physics, specialized in deep learning for outcome prediction in oncology.

Jan Seuntjens
Founding advisor
Head of Medical Physics - Princess Margaret Cancer Centre.

Alexandre Berryman
Data Scientist
.

Marc-André Renaud
Co-founder & CTO
PhD Medical Physics, specialized in optimization and radiation therapy treatment planning.

Raphaèle Piot-Rolland
VP Operations
Pharmacist, specialized in data-based business strategies.

Elizabeth Ourumis
Implementation manager
.

Louis-Martin Rousseau
Founding advisor
Canada research chair in healthcare logistics (HANALOG).

Nick Tacik
Principal Data Scientist
.

Murray Christopherson
Developer
.

Nadia Lahrichi
Founding advisor
Polytechnique Montréal - healthcare logistics.

Gat Manuel
Lead Developer
.

Mubarak Yusuf
Sales development and marketing manager
.