Pillcheck logo with tagline gust

GeneYouIn (GYI)

GYI's vision is based on a balance of improved clinical utility, patient empowerment, and cost-savings for all those involved.

  • Stage $1M in TTM Revenue
  • Industry Healthcare Services
  • Location Toronto, ON, Canada
  • Currency CAD
  • Founded December 2012
  • Employees 12
  • Incorporation Type C-corp
  • Website geneyouin.ca

Company Summary

Over 90% of North Americans have at least one genetic variation affecting their drug response, which can range from a lack of efficacy to fatal adverse reactions. GeneYouIn (GYI) is a Canadian personalized medicine company with a suite of products that improve treatment decisions based on individuals’ genetics. Pillcheck helps determine the optimal medication regimen for individuals, reduce resource utilization, and save money for health plans.


  • 963e6184 ccd5 4afb ab55 b22547e87917
    Founder, CSO, & CTO

    Trailblazer in personalized medicine, a molecular geneticist, and technology builder. Inspired by personal experience with Cystic Fibrosis families worldwide, Dr. Dorfman co-founded GYI to facilitate access to advanced genetics for the general public.

    • Managed large-scale R&D programs at Sick Kids;
    • Expert in pain genetics;
    • Advised Bridgepoint and Mt. Sinai hospitals on implementation of personalized medicine programs.

  • Leads the team that builds and supports the Pillcheck software platform. Brings industry-leading practices in data encryption and security GYI technology.
    • Expert in system design, networking, security, system administration, vendor selection and management. Cloud services for Commtouch Software.
    • Personable, pragmatic, and driven customer-facing technology leader. Has delivered complex IT projects to customers in finance and security sectors.

  • Company builder, health technology innovator, and financier. Her expertise in launching innovative products in the medical sector, building teams and developing winning commercial alliances, underpin the growth trajectory at GYI.

    • Led launch and development of Cogniciti (www.cogniciti.com);
    • Led the Health Care and Life Sciences practice at MaRS Discovery District;
    • Managed Venture Finance Partnerships at GATX Capital in San Francisco.

  • Default avatar
    Garry Siscos

    Brings with him over 30 years of experience in finance, accounting, growing sales organizations, and scaling up software companies.

    • Has held CFO positions throughout North America;
    • Sold a software company to Reed Exhibits;
    • Advised on M&A, ranging in value from $500,000 to $20M. Managed tax practice for PWC Canada.

  • Default avatar
    Antoine Lefaivre
    President, CEO

    Expert alliance builder, deal-maker and a veteran in the pharmaceutical supply chain, healthcare IT, and insurance markets in Canada. Antoine works with commercial and government payers to establish coverage and value-based reimbursement for Pillcheck.

    • Oversaw development of the Health Analytics business at Telus;
    • Led expansion of AmeriSource Bergen in Canada;
    • Grew specialty and hospital businesses at McKesson Canada from $20M to over $1B.

  • B5e95beb fbd8 433b 86e5 5286de1854f0
    VP: Bioinformatics

    A versatile software developer, data scientist, and mathematician. Possesses experience and keen insight into the bioinformatics, polymorphism discovery, and epigenomic science behind pharmacogenomics.

    • Expert in using advanced tools for the genome analysis of complex diseases;
    • Published extensively on the genetics of auto-immune diseases while working at the world-leading group at Mt. Sinai Hospital.


Previous Investors