About Company

P53 – The Voice of Medicine

Our mission is to be the voice of medicine.

Our vision is to become the world's fastest, most trusted, and most innovative source of medical information and knowledge—creating a global platform where clinicians, researchers, industry leaders, policymakers, patients, and advocates can connect, collaborate, and shape the future of healthcare.

P53 Inc. is a U.S.-based company operating at the intersection of medical media, scientific publishing, strategic communications, intelligence, and research. We are building a new generation of medical information platforms designed to accelerate the dissemination of evidence, amplify diverse voices, and strengthen collaboration across healthcare.

Our flagship brand, OncoDaily, has become the largest oncology-focused communication platform in the world. Building on this foundation, P53 is developing an ecosystem of more than 50 specialized medical brands over the next five years, with the goal of becoming the leading global hub for medical knowledge, professional engagement, and healthcare innovation.

Our Culture

  • Be honest.
  • Grow every day.
  • Shoot for the moon.
  • Don't be afraid of making mistakes, but don't make the same mistakes twice.
  • Good is never enough.
  • One for all, and all for one.

Our Leadership Team

Gevorg Tamamyan

Gevorg Tamamyan, MD, MSc, PhD, DSc, FASCO

Co-Founder & Chief Executive Officer
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Samvel Chakhalyan

Samvel Chakhalyan, MS

Co-Founder & Chief Development Officer
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Shushan Hovsepyan

Shushan Hovsepyan, MD

Senior Vice President
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Amalya Sargsyan

Amalya Sargsyan, MD, MSc

Vice President, Research & Intelligence
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Elen Baloyan

Elen Baloyan, MD

Vice President, News and Content Strategy
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Gayane Tamamyan

Gayane Tamamyan, BS, MEng, CFA

Chief Financial Officer
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Knarik Arakelyan

Knarik Arakelyan, PhD

Managing Editor, CancerWorld Magazine; Head, OncoDaily TV
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Matti Aapro

Matti Aapro, MD

Chairman of Editorial Board, OncoDaily Medical Journal
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Heghine Khachatryan

Heghine Khachatryan, MD, PhD

Editor-in-Chief, Hemostasis Today
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Arsene Mekinian

Arsene Mekinian, MD, PhD

Editor-in-Chief, Fertility News
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