Our Board

Martin Petrak
Martin Petrak
President & CEO

Martin is a biomedical engineer from Winnipeg, Manitoba, Canada, holding two undergraduate degrees (Environmental Science and Biosystems Engineering) and one graduate degree in Engineering from the University of Manitoba. Martin became an accredited Professional Engineer in Manitoba in 2007 and began his own consulting company, Matrix Biomedical Inc. In the same year, Martin was engaged by the Winnipeg Regional Health Authority to consult on the development of Concordia Hip and Knee Institute; from healthcare facility design to overall site technology. Similarly, the Concordia Foundation also sought Martin to lead a $10M fundraising campaign to create a state-of-the-art facility from orthopaedic clinical R&D to bioengineering and tribology labs to surgical simulation training wet labs.

Ariel R. Dujovne, Ing. M.Sc (biomech)
Vice Chair

Ariel R. Dujovne, Ing. M.Sc (biomech) is a Mechanical Engineer graduated at the Universidad Nacional de Rosario (Rosario, Argentina) specialized in biomechanics/biomaterials at Masters level at Queen’s University (Kingston, Canada). Recipient of several scholarships and former university Researcher with over 28 years of experience in biomaterials, tissue mechanics, and implantable medical devices, Mr. Dujovne has published over 60 scientific papers and abstracts, book chapters, and newspaper articles and he is coauthor in 5 patents on novel medical innovations in the field of osteosynthesis and bone reconstruction.

Mr. Dujovne is the co-founder, President and CEO of Pega Medical, a Montreal-based medical device company dedicated to the development of Pediatric Orthopaedic Implantable Devices; and partner and Director of the Board at Citagenix Inc. an orthobiologics company that operates in the global oral craniofacial (OCF) and orthopaedic specialty markets focused on the development and commercialization of bioimplants and bone substitutes.

Laurie Walus, Chief Nursing Officer (CNO)
Board Treasurer

Laurie graduated initially with her diploma in nursing from Health Sciences Centre in 1976 then went on to obtain her degree in nursing from University of Manitoba. She then graduated from her Masters of Science in Administration (Healthcare Concentration) in 1996. Laurie has worked in Medicine and Surgery areas as a staff member, Manager, and a Director both regionally and at acute care hospitals.

Laurie has been the Chief Nursing Officer at Concordia since 2004 and has several areas of responsibility including clinical programs, allied health and other supporting departments.

Edward S. Richmond

Ed is the Chief Operating Officer of the All-Fab Group, a building components company based in Winnipeg with operations across Western Canada. He has held a variety of senior management positions with companies spanning several technologies, including medical imaging systems, gas turbine power-plants and aerospace & defence electronic systems. Ed has most recently held senior executive positions with IMRIS and the Standard Aero Group.

Ed is an engineering graduate of the Royal Military College of Canada and has completed advanced business management education with the Institute of Corporate Directors, the General Electric Management Institute and the Wharton Business School. Ed has served on local Boards including the Winnipeg Symphony Orchestra and several technology firms. He is a member of the Premier’s Economic Advisory Committee for Manitoba and a member of the Dean of Business Advisory Committee for the University of Winnipeg. Ed is also an active investor and advisor to a number of new ventures across North America.

Dr Eric Bohm B.Eng MD MSc FRCSC
Director, Chief Medical Officer

Dr. Bohm works at the Concordia Hip and Knee Institute in Winnipeg, Canada where he specializes in primary and revision hip and knee replacement surgery. He has undergraduate degrees in both mechanical engineering and medicine from McMaster University, and a graduate degree in Community Health and Epidemiology from Dalhousie University. He completed his orthopedic residency at the University of Saskatchewan, and undertook an arthroplasty fellowship at Dalhousie University in Halifax. In 2009, he completed the prestigious ABC orthopaedic fellowship, visiting the UK, Ireland and South Africa.

Dr. Bohm’s areas of research interest include access, appropriateness, effectiveness and safety of healthcare, clinical registries, clinical trials, implant retrieval analysis, and radiographic stereometric analysis. He currently chairs Manitoba’s provincial orthopedic standards committee and the advisory committee of the Canadian Joint Replacement Registry. He serves as medical advisor to the Winnipeg Regional Health Authority’s orthopedic waitlist, joint replacement registry and central intake program. He is also a member of the George and Fay Yee Center for Healthcare Innovation, where he serves as director of their Health System Performance platform. He is co-lead for Manitoba’s Choosing Wisely initiative.

Nelson Kalin, B.COMM, CPA, CA

Having served for more than three decades in executive and operational roles of finance, aerospace, defence and space with worldwide interests, Nelson will bring to our Board vast experience, insight, and knowledge of the complexities of strategic planning, finance, supply chain, operational execution, and human capital management, including corporate governance and audit expertise.

Nelson is the Chief Financial Officer of Precision ADM, an additive manufacturing company located in Winnipeg. Nelson has most recently held a director of finance position at Magellan Aerospace responsible for overall financial management, financial reporting and transparency, structured finance, and negotiating lending arrangements. He is a Chartered Professional Accountant, CA and holds a degree from The University of Calgary.

David Hedden, MD, B.Sc., FRCSC

Dr. Hedden completed his Internship at Addington Hospital, Natal University Medical School, South Africa Rotations. He then completed his Residency in Orthopedic Surgery at the University of Manitoba 1997, attained a Clinical Fellowship in Adult Reconstruction and Trauma at the University of Toronto.

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