About Us

Our team brings together unparalleled expertise in mitochondrial biology

Pretzel was founded by some of the world’s foremost researchers in mitochondrial biology and is led by accomplished experts in drug discovery, drug development, and company foundation. Our deep expertise in mitochondrial biology enables us to potentially address a wider range of diseases driven by mitochondrial dysfunction than ever before.

The name Pretzel is inspired by the focal point of our science, the mitochondrion, whose twisting inner-membrane is one of many fascinating features that make it unlike any other organelle in the body.

John Walker
John Walker, F.R.S, F.Med.Sci.
Emeritus Professor of Molecular Bioenergetics at the MRC Mitochondrial Biology Unit in the University of Cambridge
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Rebekah Hailes
Rebekah Hailes, Ph.D., M.Sci.
Program Manager
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Gabriel Martinez
Gabriel Martinez, Ph.D.
Chief Scientific Officer
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Michal Minczuk
Michal Minczuk, Ph.D.
Co-Founder
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Xie Xie
Xie Xie, Ph.D.
Scientist
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Baruch Harris
Baruch Harris, Ph.D.
Chief Operating Officer
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Roger D. Kornberg
Roger D. Kornberg, Ph.D.
Professor of Structural Biology at Stanford University School of Medicine
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Medha Kapil
Medha Kapil, J.D.
Senior Vice President of Corporate Development & Head of Legal
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Kristina Burow
Kristina Burow
Managing Director, ARCH Venture Partners
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Alaa Halawa
Alaa Halawa, MBA
Partner and Head of U.S. Ventures, Mubadala Capital
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Claes Gustafsson
Claes Gustafsson, M.D., Ph.D.
Co-Founder
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Per Samuelsson
Per Samuelsson
Partner, HealthCap
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Robert Tansle
Robert Tansley, M.D., MBA
Partner, Cambridge Innovation Capital
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Reetika Bhardwaj
Reetika Bhardwaj (Observer), Ph.D., MBA
Associate, ARCH Venture Partners
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Cindy Phan
Cindy Phan, M.S.
Associate Scientist
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Maria Falkenberg
Maria Falkenberg, Ph.D. (Chair)
Professor in the Department of Medical Biochemistry and Cell Biology at the University of Gothenburg
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Jay Parrish
Jay Parrish, Ph.D.
Chairman and Chief Executive Officer
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Michelle McElroy
Michelle McElroy
Manager, Operations
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Sir Doug Turnbull
Sir Doug Turnbull, M.D., Ph.D., F.Med.Sci, FRS
Sir Doug Turnbull, M.D., Ph.D., F.Med.Sci, FRS Emeritus Professor of Neurology and previously Director of the Wellcome Centre for Mitochondrial Research at Newcastle University
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Julia Sullivan
Julia Sullivan
Executive Assistant
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Fred H. Gage
Fred H. Gage, Ph.D.
Professor at the Laboratory of Genetics, Adler Chair of Age-Related Neurodegenerative Disease and President of the Salk Institute for Biological Studies
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Andrew Griffin
Andrew Griffin, Ph.D.
Vice President, Chemistry
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Paul Thurk
Paul Thurk, MBA
In Memoriam, Co-Founder and Chairman Emeritus
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Jeremy Green
Jeremy Green, Ph.D.
Senior Vice President, Research
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Sean Jesinke
Sean Jesinkey, Ph.D., PharmD, MBA
Director, Corporate Development
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Mattias Stamgren
Mattias Stamgren, M.S.
Associate Scientist
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Howard Levy
Howard Levy, Ph.D., MBBS
Senior Clinical Advisor
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Noa Rotem-Warner
Noa Rotem-Warner
Associate Director, Operations
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Paolo Di Giorgio
Paolo Di Giorgio (Observer), Ph.D., MBA
Chief Executive Officer and Managing Director of Angelini Ventures
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Cheryl Calhoun
Cheryl Calhoun, MBA
Vice President & Head of Global Operations
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Javier Miralles Fusté
Javier Miralles Fusté, Ph.D.
Scientist
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Simon Giroux
Simon Giroux, Ph.D.
Vice President, Chemistry
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Johanna Lönnermark
Johanna Lönnermark, M.S.
Associate Scientist
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Nils-Göran Larsson
Nils-Göran Larsson, M.D., Ph.D.
Co-Founder
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Nuha Svensson
Nuha Svensson
Manger, Operations – Sweden
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Gunther Kern
Gunther Kern, Ph.D., MBA
Senior Vice President, Biology & Biochemistry
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Viktor Posse
Viktor Posse, Ph.D.
Scientist, Biology
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Paul Charifson, Ph.D.
Senior Research Advisor
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Jeff Saunders, Ph.D.
Senior Research Advisor
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