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President & CEO

Renato Skerlj, PhD

Senior VP, Drug Discovery

Mark Ledeboer, PhD

Senior VP, Finance & Operations

Jennifer Visco, CPA

Senior VP, Business Development

Sudhir Rao, MBA, MS

VP, Computational Chemistry

Andrew Good, PhD

VP, Medicinal Chemistry

Tiansheng Wang, PhD

VP, Structural Biology

Peter Connolly, PhD

Senior Director, Translational Biology

Manisha Sinha, PhD

Director, Research/Site Head

Suzanne Rzuczek, PhD

Senior Director, Computational Biology and Bioinformatics

Eric Lim, PhD

Expansion Leadership

We believe that the development of small molecule drugs that modulate RNA will dramatically  change patient outcomes for diseases where treatment options for patients are currently limited

RNA and the World of Small Molecules

Expansion Therapeutics is a drug discovery and development company pursuing the vast potential of small molecule medicines for RNA-mediated diseases

We are a team in relentless pursuit of game changing solutions in human health 

Our team's work is founded upon leading research emerging from Scripps Research

Our management team has deep experience in bringing life-changing drugs from bench to clinic and ultimately to market

Drug Hunters

Success Record

Inspired Research

Sai Velagapudi, PhD

Principal Scientist

Nicole DeLorenzo, BS

Associate Scientist

Michelle Arsenault, BS

Associate Scientist

Kamal Vishnu, MS


Treleasha Simmons, BS

Research Associate II

Jason Ilardo

Research Associate II

Alicia Angelbello, PhD

Senior Scientist II

Helen Crehan, PhD

Principal Scientist

Van Ha, MS

Associate Scientist

Jared Baisden, PhD

Senior Scientist I

Virginia Smith, PhD

Scientific Program Manager

Daniela Saldias, BS

Research Associate I

Shrikant Sharma, PhD

Senior Scientist I

Sandra Mueller

Associate Director, Operations

Jack Salvucci, BS

Research Associate I

Tatu Rojalin, PhD

Senior Scientist I

Imelda Sollomoni, BS

Senior Scientist II

Aleta Cebere, PhD

Principal Scientist

Priah Nadarajan, PhD

Senior Scientist I

Lauren Snow, BA

Research Associate II

Jon Ainsley, PhD

Senior Scientist I, Computational Chemistry

Barnett Alfant, MS

Laboratory Manager

...and the many Expanding the vision to cure mRNA mediated diseases.  

Board of Directors

Scientific Advisory Board

Scott M. Rocklage, PhD

Board Chairman

Andy Phillips, PhD

Board Director

Beth Seidenberg, MD

Board Director

Renato Skerlj, PhD

Board Director

Laura Tadvalkar, PhD

Board Director

Gary J. Bridger, PhD

Board Director

Raymond Kelleher, MD, PhD

Board Director

Matthew Disney, PhD

Scientific Founder, Scientific Advisory Board Chair,
Professor, UF Scripps Research

Robert T. Batey, PhD

Professor, University of Colorado

Kenneth S. Kosik, M.D.

Professor, University of California

M.G. Finn, PhD

Professor, Georgia Institute of Technology

Melissa A. Starovasnik, PhD

Scientific Leader

Lynne E. Maquat, PhD

Chair and Professor, University of Rochester

Leonard Petrucelli, PhD

Professor, Mayo Clinic College of Medicine and Science


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