Who we are

Founders’ Story
For us, cancer isn’t abstract — it’s personal.
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Each of us has faced it in our own family — the fear, the fight, and the fragile hope.
We’ve lived it.

OncoHelper AI was born from that simple truth: when you’ve seen what cancer can take, you never forget what it means to fight back.

We are fighters. We bring that same strength to our mission: helping others fight smarter, earlier, and never alone.
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Together, we’re building what we once needed ourselves. Because no one should have to face this fight without support, or without hope.
Our core team
Sergei Oleshkevich M.S. Founder/Managing Director
Over 40 years of leadership experience and 10 years in science project management. Combines strategic vision with day-to-day operational discipline. Devoted to building tools for ethical change and to turning bold ideas into working systems for patients and researchers.
Tim Baxter M.S. PhD.
Co-Founder/Executive Director
Over 30 years of leadership experience in business and project management, including building and guiding large operational teams. Army Veteran. Brings moral clarity, a sharp sense of accountability, and unwavering support for the people doing the work on the ground.
About
David Widaski M.B.A.
Director
Spiritual pillar of our Corporate management team. Brings his faith and unique insight to our table. With over 30 years of upper management experience and personal vestige with this project, David is the company's number 1 cheerleader.
About
Dan Karbaev PhD.
CAIO
AI systems architect with extensive experience in applied machine learning and decision-support platforms. Dan leads our in-house AI Engine Project — designing, training, and validating the core models (Interceptor, Tactician, Sentry), while the Meta-AI layer learns across projects, reconciles signals, scores evidence quality, and recommends next experiments.
Olga Shaldybina PhD.
CHRO
Certified Professional in Talent Development. With expertise in organizational psychology and complex project staffing, Olga shapes our standards for role design, candidate evaluation, and performance metrics. She leads the Team Assembly Engine, aligning clinicians, data scientists, and project managers into focused teams for pragmatic cancer research serving our mission.
About
Chief Oncologist M.D. PhD.
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We are currently inviting expressions of interest for the role of Chief Oncologist. If you would like to explore this opportunity or recommend a colleague, please reach out to us through our Collaborate form.
Team Assembly
The right team drives success.
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We assemble teams from aims to roles. Each project aim becomes clear roles and responsibilities — Principal Investigator, Co-PI, Biostatistician, ML Scientist, Clinical Lead, Site Operations, Quality Control.
We assess skills, track record, and communication style through structured interviews and references.
Try before commit: a short pilot sprint with defined goals and peer review.
Govern for speed and safety — decision rights, escalation paths, and quality checks are fixed early.

Outcome: small, compatible teams that hit milestones fast and turn ideas into publishable evidence and clinical practice.
With your support, we will make a difference

Join us in our fight with cancer!

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