Management Team

Gerald Commissiong

Mr. Commissiong serves as President of Provista Diagnostics. He has over ten years of experience in therapeutic and diagnostic development, including all aspects of product licensing, research collaborations, and go-to-market strategies. He is the former CEO and co-founder of Amarantus Bioscience, a company that developed LymPro, an Alzheimer’s diagnostic currently being advanced by Todos Medical.

Mr. Commissiong has raised over $70 million in research capital to forward numerous scientific development programs, including those currently underway at Todos. He is a former professional football player for the Calgary Stampeders of the Canadian Football League who received a Bachelor of Science degree in Management Science and Engineering with a focus in Financial Decisions from Stanford University.

Philippe Goix, Ph.D, MBA
Chief Commercial Officer

Dr. Goix is the Chief Commercial Officer of Todos Medical, a parent company of Provista Diagnostics. His focus at ProvistaDx is to deliver better, faster, cheaper infectious actionable solutions that are aimed at improving patient outcome while reducing disease management costs.

Dr. Goix is a highly accomplished Senior Executive and Entrepreneur with more than 25 years of success in healthcare, wellness, medical devices, technology, and environmental services. He also has extensive board experience having served on the Board of Directors with several healthcare diagnostic companies.

Throughout his executive career, Dr. Goix has held leadership positions in several companies including Guava Technologies, Singulex, Inc., PrismHealthDx, Inc. Avant Diagnostics, a precision cancer diagnostics company and Iamwell LLC, a precision weight-loss and pain management clinic. Over his career, as a CEO he raised over $150M of equity capital to launch “best in class” commercial products while maximizing shareholder value.

He holds an MBA in Marketing and Finance from the University of San Francisco, a Ph.D. in Physics with a specialty in Laser Instrumentation, an M.S. in Physics with a Major in Fluid Mechanics, Spectroscopy, and a B.S. in Mechanical Engineering from the University of Rouen. Philippe was awarded Post-Doctoral Fellowships from UC Berkeley and Stanford universities.

Jorge Leon, PhD
Chief Science Officer

Dr. Jorge Leon is internationally recognized for his pioneering work in molecular diagnostics. Dr. Leon holds a Ph.D. in cellular and molecular biology from New York University, and completed his postdoctoral studies at the German Cancer Research Center in Heidelberg and Columbia University in NYC. Dr. Leon’s subsequent academic research at Columbia University focused on developing monoclonal antibody-based tumor marker assays and radio-immuno imaging devices, which are currently in wide use. In the early 1990s, Dr. Jorge Leon played an integral role in establishing and leading the molecular diagnostics laboratories at Quest Diagnostics. As Director of Molecular Diagnostics, Senior Director of Biotechnology Development, and Vice President of Applied Genomics, Dr. Leon spent twelve years developing Quest’s molecular diagnostics strategy, which is now the world’s largest molecular diagnostics service laboratory. In 2003, Dr. Leon founded Leomics Associates, Inc. a consulting firm committed to helping prestigious, successful companies and academic institutions develop molecular diagnostics and personalized medicine in the United States and globally. Dr. Jorge Leon and his experienced team specializes in identifying breakthrough opportunities and industry trends, and helps start-up businesses, academic centers and established companies successfully build and commercialize innovative business strategies, product pipelines, and test menus.

Chris Gross, MBA
VP of Operations

Mr. Gross, MBA is the Vice President of Sales Operations at Provista. Mr. Gross was previously a Managing Director and Co-Founder at WellNova. Prior to that, he was the Chief Operating Officer at Solace Life Sciences where he managed B2B and B2C sales. Priorto Solace, Mr. Gross was a co-founder and Managing Director at Focused Evolution, Inc. Mr. Gross completed his bachelor’s degree in Chemical and Engineering at Western Michigan University and completed his MBA at the University of Delaware.

Elise Brownell, MS, MPhil, PhD
VP Research & Development

Dr. Brownell has diversified experience in the biopharmaceutical arena where she has played key roles in discovery, development, opportunity assessment, and Executive Leadership to drive innovation. She has deep experience in discovery research and development through her history at Bayer Healthcare and venture-backed startups, with a focus on rare/orphan diseases, and the bench-to-clinic transition. She earned her BS in Biology from Allegheny College and MS, MPhil and PhD in Biology from Yale University.

Timothy Seiler
Director of Supply Chain Operations

Timothy Seiler is the Director of Supply Chain Operations at Provista. Tim has been at Provista for a year specializing in Procurement and Logistics, while focused on S&OP processes, Supply Chain Planning and Purchasing, OTIF, Distribution, and Inventory Management. Tim has more than 10 years of Supply Chain Management experience previously serving as a government contractor for the Defense Logistics Agency. In 2009 Tim attended AASU completing an AS in Business Administration and is currently attending DAU completing a program in Supply Chain Integration.

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