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Our Healthcare Team

With deep sector experience and unique regulatory insight, our Healthcare team is focused on building long-term, sustainable value.

Healthcare MembersGeneral PartnersPrincipalsVice PresidentsAssociatesOperating Partners

Brady Akman

Mike Butler

Adrian Cabrera

Megan Callahan

David Caluori

Caroline Dechert
Emma Derose

Emma DeRose

Renee DeSilva

Adaeze Enekwechi
Colin Fisher

Colin Fischer

William Frank

Jeffrey R. Gallant

Sam Ghorashi

James Grad

Ting Gu

Jenny Guyton

Ann Hickey

Jim Hinton

Sean Hsu

Patrick Hunt
Mia Jung

Mia Jung
D. Scott Mackesy

D. Scott Mackesy

Michael McDonnell

Lawrence Miller

Edward Novinski
Nicholas O Leary

Nicholas O’Leary

Brian T. Regan

Thomas A. Scully
Aditya Shah

Aditya Shah
Evan Smith

Evan Smith

Edward P. Sobol

Jared Spector

Cathy Sun

Paul Taheri

Mark M. Tomaino

Sean M. Traynor
Joseph Vasile

Joseph Vasile

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Brady Akman

Director of Business Development | Healthcare

Brady Akman is a Director of Business Development on the Healthcare team, having joined WCAS in 2021. Brady leads business development efforts by working directly with investment professionals across care delivery, healthcare technology, payor services and the pharma value chain to help identify new investment opportunities.

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Mike Butler

Operating Partner / Consultant | Healthcare

Mike Butler is an Operating Partner on the Healthcare team, having joined WCAS in 2020. Mike works on investment opportunities in the health system provider space, focusing on ancillary clinical and physician services, administrative and technology services, and home and community services.

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Adrian Cabrera

Principal | Healthcare

Adrian Cabrera is a Principal in the Healthcare Group. He joined WCAS in 2016 and primarily focuses on investments in the pharma value chain, having also invested in companies across healthcare technology and the broader healthcare ecosystem.

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Megan Callahan

Operating Partner | Healthcare

Ms. Callahan is an Operating Partner on the Healthcare team, having joined WCAS in 2023. Megan focuses on investments in the healthcare technology sector.

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David Caluori

General Partner | Healthcare

David Caluori is a General Partner, having joined WCAS in 2005. David primarily focuses on investments across payor services and risk-based care.

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Caroline Dechert

General Partner | Healthcare

Caroline Dechert is a General Partner in the Healthcare Group, having joined WCAS in 2012. Caroline primarily focuses on investments in the healthcare technology sector but has also invested in companies across healthcare services.

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Emma DeRose

Associate | Healthcare

Emma DeRose is an Associate in the Healthcare Group, having joined WCAS in 2023. Prior to joining WCAS, she worked in in the Global Healthcare Group at Lazard.

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Renee DeSilva

Operating Partner / CEO, The Academy | Healthcare

Renee DeSilva serves as CEO of The Health Management Academy, partnering with top executives from the nation’s 150 largest and most innovative healthcare companies to shape the future of the industry.

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Adaeze Enekwechi

Operating Partner, PhD, MPP / Consultant | Healthcare

Dr. Adaeze Enekwechi is an Operating Partner on the Healthcare team, having joined WCAS in 2021. Dr. Enekwechi focuses on a policy and regulatory environment that can have an outsize impact on healthcare investments.

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Colin Fischer

Associate | Healthcare

Colin Fischer is an Associate in the Healthcare Group, having joined WCAS in 2023. Prior to joining WCAS, he worked in the Healthcare Services Group at Guggenheim Securities.

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William Frank

Operating Partner | Healthcare

Bill Frank is an Operating Partner on the Healthcare team, having joined WCAS in 2014. Bill works with portfolio companies to define and execute their Value Maximization Plans.

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Jeffrey R. Gallant

Operating Partner | Healthcare & Technology

Mr. Gallant is an Operating Partner supporting the Healthcare and Technology teams, having joined WCAS in 2008. He is responsible for helping portfolio companies implement operational improvement initiatives through various cost management strategies, including supply chain, procurement, real estate, insurance and healthcare benefits.

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Sam Ghorashi

Associate | Healthcare

Sam Ghorashi is an Associate in the Healthcare Group, having joined WCAS in 2024.

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James Grad

Associate | Healthcare

James Grad is an Associate in the Healthcare Group, having joined WCAS in 2022. James focuses on investments across subsectors including pharma value chain, healthcare delivery, and healthcare technology.

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Ting Gu

General Partner | Healthcare

Ting Gu is a General Partner in the Healthcare Group, having joined WCAS in 2013. Ting primarily focuses on investments in care delivery but has also invested in companies across payor services and the pharma value chain.

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Jenny Guyton

Operating Partner / Managing Director, The Academy | Healthcare

Jenny Guyton is an Operating Partner on the Healthcare team, having joined WCAS in 2021. Jenny also serves as a Managing Director of Health System Investments at The Health Management Academy, an affiliate of WCAS.

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Ann Hickey

Principal | Healthcare

Ann Hickey is a Principal in the Healthcare Group. She joined WCAS in 2016 and primarily focuses on investments across payor services and risk-based care.

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Jim Hinton

Operating Partner / Consultant | Healthcare

Jim Hinton is an Operating Partner on the Healthcare team, having joined WCAS in 2022. Jim has been a leader in the healthcare industry for more than 38 years.

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Sean Hsu

Operating Associate | Healthcare & Technology

Sean Hsu is an Operating Associate, having joined WCAS in 2023. Sean works with healthcare and technology portfolio companies to execute Value Maximization Plan initiatives, including supply chain optimization, revenue operations and analytics strategy.

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Patrick Hunt

Vice President | Healthcare

Patrick Hunt is a Vice President in the Healthcare Group, having joined WCAS in 2022. Patrick primarily focuses on investments in the payor services, pharma value chain and medtech sectors.

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Mia Jung

Talent Partner & Co-Head of Diversity and Inclusion | Healthcare

Mia joined WCAS in 2022 as a Talent Partner within the Healthcare team and also serves as Co-Head of Diversity and Inclusion. Her role primarily involves contributing to executive talent strategies and management to support WCAS’s healthcare companies in assembling effective leadership teams.

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D. Scott Mackesy

Managing Partner

Mr. Mackesy is Managing Partner of the firm and a member of the Management Committee, having joined WCAS in 1998. 

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Michael McDonnell

Operating Partner / Consultant | Healthcare

Michael McDonnell is an Operating Partner on the Healthcare team, having joined WCAS in 2013. Michael works with portfolio companies to define and execute effective reimbursement strategies and risk-based arrangements with commercial and governmental payors.

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Lawrence Miller

Operating Partner | Healthcare

Mr. Miller brings extensive leadership experience as a former Chief Technology Officer with a background in cybersecurity, finance, and fintech.

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Edward Novinski

Operating Partner / Consultant | Healthcare

Edward Novinski is an Operating Partner on the Healthcare team, having joined WCAS in 2013. He works with portfolio companies to define and execute effective reimbursement strategies and risk-based arrangements with commercial and governmental payors.

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Nicholas O’Leary

General Partner | Healthcare

Nick O’Leary is a General Partner in the Healthcare Group. He joined WCAS in 2015 and primarily focuses on investments in the pharma value chain.

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Brian T. Regan

General Partner | Healthcare

Brian Regan is a General Partner and a member of the Management Committee. Brian joined WCAS in 2002 and has invested in numerous companies across a broad range of healthcare subsectors, including healthcare delivery, pharma value chain, payor services, medical technology and healthcare technology.

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Thomas A. Scully

General Partner | Healthcare

Tom Scully is a General Partner, having joined WCAS in 2004. Tom primarily focuses on investments in the care delivery and payor services subsectors but has also invested in companies across the pharma value chain.

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Aditya Shah

Associate | Healthcare

Aditya Shah is an Associate in the Healthcare Group, having joined WCAS in 2023. Prior to joining WCAS, he worked in the Global Healthcare Group at Barclays Investment Bank.

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Evan Smith

Vice President | Healthcare

Evan Smith is a Vice President in the Healthcare Group, having joined WCAS in 2021. Evan primary focuses on investments in healthcare delivery, payor services and medical technology sectors.

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Edward P. Sobol

General Partner | Healthcare

Ed Sobol is a General Partner in the Healthcare Group and a member of WCAS’s Management Committee, having joined WCAS in 2010. Ed primarily focuses on investments in the healthcare technology subsector and has invested across a range of other subsectors, including healthcare delivery, medical technology, payor services and financial technology.

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Jared Spector

Associate | Healthcare

Jared Spector is an Associate in the Healthcare Group, having joined WCAS in 2024.

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Cathy Sun

Vice President | Healthcare

Cathy Sun is a Vice President on the Healthcare team at WCAS, having joined in 2021. She is involved in many of the firm’s healthcare technology and pharma value chain investments.

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Paul Taheri

Clinical Partner, MD / Consultant | Healthcare

Dr. Taheri is a Clinical Partner on the Healthcare team, having joined in 2019. He focuses on physician governance, leadership development, managing risk, and clinical delivery optimization, helping ensure that WCAS companies deliver outstanding care to the millions of patients they serve each year.

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Mark M. Tomaino

Operating Partner | Healthcare

Mr. Tomaino is an Operating Partner on the Healthcare team and focuses on investments in the healthcare information technology industry, having joined WCAS in 2010. Mark was previously Senior Vice President of Corporate Development at The TriZetto Group.

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Sean M. Traynor

General Partner | Healthcare

Sean Traynor is a General Partner in the Healthcare Group, having joined WCAS in 1999. Sean primarily focuses on investments in the healthcare delivery, payor services and medical technology subsectors.

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Joseph Vasile

Associate | Healthcare

Joseph Vasile is an Associate in the Healthcare Group, having joined WCAS in 2022. He focuses on investments across the healthcare subsectors, including pharma value chain, healthcare delivery, payor services and HCIT.

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