eBook: The role of RWE in regulatory approvals. Download here.

Leadership Team

We are an experienced and optimistic team, deeply committed to a data-driven transformation of health care.

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Carolyn Magill

Chief Executive Officer and Board Director

Carolyn is a health care technology executive with over 20 years of leadership experience in driving the transition from fee-for-service to value-based care.

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Jeremy Rassen, Sc.D.

Co-Founder, President, Chief Science Officer, and Board Director

Jeremy is an epidemiologist and computer scientist with nearly 25 years of experience in the science and technology of big data.

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Lori Bennett, J.D.

General Counsel

Lori is an attorney with broad experience advising corporate clients in intellectual property, privacy, data security, corporate governance, and risk management.

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Liz DeMatteis

Chief Marketing Officer

Over her 20+ years in health care transformation, Liz has tackled numerous and varied go-to-market challenges across many high-growth, high-tech firms.

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TC Fleming

Chief Financial Officer

TC is Chief Financial Officer to Aetion, and his industry and corporate finance experience spans over 25 years in numerous industries. 

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Nicolle Gatto, Ph.D., M.P.H.

Senior Vice President of Scientific Research

Nicolle is an epidemiologist with 20 years of industry experience. She serves as a senior scientific voice ensuring appropriate and principled use of RWD and RWE, designing and communicating scientific frameworks, standards, and methodologies, and collaborating with stakeholders globally.

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William Guptail

Senior Vice President of Value-Based Care

William is the Senior Vice President of Value-Based Care at Aetion, and brings over 20 years of health care experience in both payer- and provider-focused roles. Prior to Aetion, he most recently served as Chief Operations Officer for Genoa Healthcare.

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Richard Jenkins

Chief Growth Officer

Richard is Chief Growth Officer to Aetion and has led business development for several health care technology companies serving the life sciences industry.

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Julie Schiffman

Senior Vice President of Scientific Engagement and Delivery

Julie is Senior Vice President of Scientific Engagement and Delivery at Aetion and has 17 years of experience at Pfizer working to improve overall R&D productivity.

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Lowell Schiller, J.D.

Chief Legal and Regulatory Officer

Lowell is the Chief Legal and Regulatory Officer of Aetion. Previously, Lowell served in several senior leadership roles at the U.S. FDA, most recently as the Principal Associate Commissioner for Policy.

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Sebastian Schneeweiss, M.D., Sc.D.

Co-Founder and Advisor

Sebastian is a physician and pharmacoepidemiologist with 25 years of experience in analyzing health care databases.

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John Turek

Chief Technology Officer

John brings to Aetion decades of experience leading technology teams, most recently as the first CTO of Oden Technologies, a New York-based manufacturing analytics company.

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David Vavrasek

Chief People Officer

David is Chief People Officer to Aetion and has nearly 20 years of experience building and leading human resources teams across public and private companies.

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Our Directors

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Thomas Carella

Board Director

Thomas “TJ” Carella serves as a Managing Director and Head of the Healthcare Group at Warburg Pincus, based in New York.

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Bill Geary

Board Director

With more than a 20-year tenure investing in young and emerging healthcare technology companies, Bill Geary serves on boards of industry-leading companies, working closely with founders and management.

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Scott Gottlieb, M.D.

Board Director

Dr. Scott Gottlieb is a Special Partner on the NEA healthcare investment team; he was a Venture Partner at NEA from 2007 to 2017 until being appointed the 23rd Commissioner of the U.S. Food and Drug Administration (FDA), where he served from 2017 to 2019.

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Mohamad Makhzoumi

Board Director

Mohamad Makhzoumi is a general partner at NEA and heads the firm’s Healthcare Services & Healthcare IT investment practice.

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Cathy Polinsky

Board Director

Cathy Polinsky is the Vice President of Engineering at Shopify, where she leads the company’s efforts to build its e-commerce infrastructure and scale its engineering team. She previously served as CTO of StitchFix and held leadership roles at Salesforce.

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