Healthcare Decision Science

Turning complexity into clarity.

We build intelligent decision-support systems for oncology. Translating complex genomic data into clear, evidence-based treatment pathways — powered by clinical expertise and specialized AI agents.

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Genomic Analysis
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Portfolio Analytics
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Decision Science
Founded by a Practicing Physician
NCCN Guideline-Aligned
Peer-Reviewed Research
Global Pharma Experience
What We Do

Intelligent systems for healthcare's
hardest decisions

We combine clinical expertise with modern technology to build tools that turn complex data into clear, defensible decisions — across the entire healthcare ecosystem.

Clinical Decision Support

Personalized treatment pathways that synthesize genomic profiles, clinical guidelines, and trial outcomes into clear, actionable plans for patients and their care teams.

Health Economics & Analytics

Evidence synthesis, health technology assessment, and quantitative modelling that helps organizations make better investment and reimbursement decisions.

Strategic Consulting

Deep domain expertise spanning clinical oncology, pharma strategy, and health system leadership — available to organizations looking to build or improve decision-support capabilities.

Flagship Product

Precision Path:
Breast Cancer

Our clinical decision support platform translates complex clinical and genomic profiles into clear, evidence-based treatment pathways. From risk scores to survival visualizations — everything in one place.

  • 107+ personalized pathway steps
  • Genomic profiling integration
  • NCCN 2026 guideline-aligned
  • Kaplan-Meier survival visualizations
Learn More
app.kesis.ca/pathways
Gene Expression Low Risk
Dr. Henry Conter — Founder, Kesis & Sisters
Physician-Founder

Built by someone who understands
the decisions that matter

Dr. Henry Conter is a board-certified medical oncologist who trained at MD Anderson Cancer Center, led global pharmaceutical strategy at Hoffman-La Roche, and served on Canada's national drug review committees. He built Kesis & Sisters because he saw firsthand how the gap between cutting-edge evidence and daily clinical decisions was widening — and knew technology could close it.

Full Story & Credentials

Let's build something together

Whether you're a clinician, a patient, or an organization looking to improve how decisions get made in healthcare — we'd love to hear from you.