Meet the New Members of the Ocean Team!

We’re excited to introduce six of the latest additions to our CognisantMD team. From Product Management to Development, these team members are helping us to grow and continually improve the Ocean Platform to meet the growing demand for digital health technologies across Canada. Please join us in saying hello!

Christian Leskowsky, Director, Operations

Christian joins us as our Director, Operations with a vast knowledge in systems engineering, performance analysis, automation and development tools. As a leader and a mentor, he enjoys building strong teams and guiding junior team members in achieving their goals. In his spare time, Christian likes to keep active through walking, running, and travelling but never turns down the opportunity to slow down with a good book.

Haley Gush, Digital Health Program Manager

With over 9 years of leadership experience in healthcare, Haley has worked in both the public and private sector of the health care system. Most recently coming from the University Health Network where she supported the development and implementation of the TC LHIN’s primary care strategy and the expansion of the SCOPE program. Haley has her Masters degree in Health Science and Administration from U of T and a board Member of the Canadian College of Health Care Leaders. She is passionate about providing seamless care to patients while leveraging technology to create efficiencies for healthcare providers.

Hossam Mitwaly, Software Developer

Hossam first joined us as a co-op but joined full-time after graduating with a Bachelors of Applied Science from the University of Waterloo. At CognisantMD, Hossam focuses on improving the Ocean Platform and helping to manage our development sprints. Whether it is medical advancements or computational innovations, Hossam loves to stay on top of the latest technology trends and find ways to apply those to the Ocean Platform.

Jonathan Fishbein, Software Developer Team Lead

Jonathan comes to CognisantMD with over a decade of experience working at several Toronto-based technology startups. A software engineer by training, but a generalist by nature, Jonathan brings a unique, holistic approach to software development and design. Never one to shy away from a challenge, Jonathan is excited to apply his diverse talents to help improve the quality of health care across Canada.

Mariel Ang, Product & Training Specialist

Mariel completed her undergraduate degree in Kinesiology at Western University and went on to complete her Masters in Public Health at Queen’s University. Her previous roles were situated in not-for-profit, hospital and academic institutions where she worked on various knowledge translation and implementation projects. Her interest in technology coupled with a passion for effective implementation in health care led her to a role bridging product knowledge to end-users at CognisantMD.

Yaron Derman, Director of Product

Yaron has spent the last (almost) two decades using his business process analysis and design expertise to improve business performance and customer experience for hospitals, health agencies, and healthcare providers. Previously, he managed the eHealth Standards team at Ontario Health – Digital Services, an industry leader in HL7 FHIR interoperability standard adoption. He also authored Ontario’s first standards-based operability plan and developed the 2015 eReferral Provincial Reference Model (PRM).

He holds a Bachelors and Masters of Applied Science in Industrial Engineering from the University of Toronto, as well as LEAN Healthcare Green Belt certificate and CPHIMS-CA designation. When he is not at work, he spends his time with his wife and seven children.

Want to join our team?

CognisantMD is hiring! As primary and virtual care continue to pivot in the age of COVID-19, we are looking for passionate people to join our team and contribute towards digital health innovation across Canada. To learn more about our open positions and see what is available, please visit