Dr. Jeffrey Turner,

John Hyshka,

Dana Rath,

Dr. Eleanor Fish,
Senior Technical Advisor

Dr. Jack Gauldie,

James G. Eaton,

David F. Masotti,

Barry Markowski,


Dr. Jeffrey Turner, CEO

Dr. Turner is a biotechnology industry executive with 18 years of experience managing advanced R&D programs developing medical countermeasures for chemical and biological threats. Currently, President and CEO of Defyrus Inc., Dr. Turner is focusing on broad spectrum antivirals, specifically the lead drug candidate DEF201 which he in-licensed from DSTL & DRDC. Prior to Defyrus, Dr. Turner was President and CEO of Nexia Biotechnologies Inc. a R, D & E company with a commercial focus of manufacturing novel, high-value recombinant, protein-based pharmaceuticals for nerve agent intoxication. Nexia’s Protexia®, a recombinant human butyrylcholinesterase was supported by a $215M development and procurement contract and BAA from USAMRMC and is currently in Phase 1 human clinical programs with CBMS- DoD. In 2000, Turner/Nexia completed the largest Life Sciences IPO in Canadian history. Prior to Nexia, Turner held a tenured Professorship at McGill University, Montreal, QC. Turner holds a Ph.D. (Mol. Biology) & M.S. (Physiology & Biophysics) from the University of Illinois (Urbana) and a M.S. (Physiology) from McMaster University, Hamilton, ON. He has published more than 100 scientific papers, abstracts and book chapters and holds 35 issued domestic and international patents ranging in subject matter from immortalized mammary cell lines, recombinant spider silk, nerve agent antidotes, cloned dairy goats and broad spectrum antivirals.


John Hyshka, Chairman

Mr. Hyshka joined the Defyrus board of directors in 2009. He is the co-founder, Chief Financial and Operating Officer at Phenomenome Discoveries a bio-technology company that focuses on using metabolomics to develop diagnostics and drugs. Mr. Hyshka has been involved in the Biotechnology industry in Saskatoon for over twenty years, six of them as the Director of Economic Development of the Saskatoon Regional Economic Development Authority (SREDA). John was a founding board member of the Saskatchewan Nutraceutical Network. Following SREDA, John joined Performance Plants Inc. Mr Hyshka then co-founded Phenomenome with his business partner Dr. Dayan Goodenowe. John sits on three private biotech company boards while being a member of Biotech Canada’s emerging company committee. In the past he has sat on the Saskatchewan Government Growth Fund, Saskatchewan Opportunities Corp. and the Business Development Bank of Canada. Mr. Hyshka obtained a Bachelor of Commerce degree from the Univeristy of Saskatchewan.


Dana Rath, CFO

Mr. Rath is a senior financial executive and entrepreneur with extensive experience in biotech and computer software industries. Mr. Rath has over 30 years of experience in advising private and public companies on corporate and legal matters relating to finance, accounting, treasury and taxation and as both a chartered accountant and an attorney brings a well-rounded perspective to management. He is a CPA, CA and holds degrees from McGill University (B.Sc.) and University of Ottawa (LL.B) and is currently the CFO of Defyrus. Mr. Rath has also held positions as the CFO of Iscopia Software, as the Vice-President Finance & Administration of Nexia Biotechnologies and as a tax specialist at both Abbott Laboratories Canada and Ernst & Young.


Dr. Eleanor Fish, Senior Technical Advisor

Dr. Fish is recognized expert in the field of cytokines with a focus on interferon in particular, and she holds the position of Senior Scientist & Division head at the Toronto General Research Institute. Dr. Fish also holds a professorship at the Department of Immunology at the University of Toronto, and is the Canada Research Chair in Women’s Health and Immunobiology. Dr. Fish earned a Ph.D. in Immunology and Cell Biology at the University of Toronto.





James G. Eaton, Director

James Eaton is the President of Weatons Holdings, a Canadian private holding company. James has been active in the founding, growth and divestiture stages of the Weatons portfolio companies across a wide variety of industries. His responsibilities at Weatons include overseeing numerous private investments and a portfolio of listed securities. James serves on the boards of JC Clark, Defyrus, Dream Hard Asset Alternatives Trust, Syncordia Technologies and Healthcare Solutions and Ceviche.

James also serves on the boards of the Canadian Art Foundation, the True Patriot Love Foundation, and is a trustee of the John David and Signy Eaton Foundation.

James holds a B.A. from the University of Colorado at Boulder.

In 2012 James was awarded a Queen Elizabeth II Jubilee Medal honouring significant contributions and achievements by Canadians. He resides in Toronto with his wife Cecily and their two children, Olivia and Charles.


Dr. Jack Gauldie, Director

Dr. Jack Gauldie established the Fitzhenry Vector Facility at McMaster, a cGMP level facility providing small clinical lots of viral vectors for human trials. He is PI of a major CIHR Team grant in Mucosal Innate Immunity, has published over 350 scientific papers and consults widely in the pharmaceutical industry on aspects of inflammation, immunity and vaccine development. Dr. Gauldie is a Fellow of the Royal Society Canada, a member of the Advisory Board of the Institute for Infection and Immunity of CIHR and was a member of the Research Management Committee of CANVAC, the Canadian Network for Vaccines and Immunotherapeutics. He serves on the scientific advisory board of several companies, is on the editorial board of a number of basic and clinical journals, and is a regular reviewer of grants from Canadian, UK and US agencies. He is a member of the Advisory Board of the Ontario Research Fund, the Ontario Genomics Institute and was Co-Chair of the Medical Review Panel and a member of the Medical Advisory Board for the CIHR Canada Gairdner International Awards. Dr. Gauldie received his B.Sc. from McMaster University and Ph.D. from University College, London, England. Since 1970 has been at McMaster University, Faculty of Health Sciences in the Department of Pathology and Molecular Medicine. He has been University Professor and Chairman of the Department of Pathology and Molecular Medicine for fifteen years and is currently Director of the Institute for Molecular Medicine and Health, and recently was awarded a DSc from McMaster University.

David F. Masotti, Director

Mr. Masotti is a senior executive, corporate director and entrepreneur with extensive experience in a range of industries including telecommunications, aerospace, bio-defense and venture capital.  Mr. Masotti brings considerable operational experience as the former President of Spar Aerospace Systems, Rogers Telecommunications, and Chemtrade Logistics Income Fund and venture capital experience as a Managing Director of Tancho Innovation Capital.  Masotti serves as a Director at Firan Technology Group (TSX:FTG) and COM DEV (TSX:CDV). Previously Mr. Masotti served on the Board of Trustees for Queen’s University, and several other private and public companies. He earned an MBA from the Harvard Business School and a B.Sc. in Electrical Engineering from Queen’s University and was a recipient of the Top 40 under 40 business award.

Barry Markowski, Director

Bio coming soon