Image of Matt McMillion

Matt McMillion

Director
Chicago

Matt McMillion

Director | Chicago

About

Matt McMillion is a Director in our Chicago office, with more than a decade of experience leading strategy and commercial diligence engagements for investors and operators. He specializes in M&A, portfolio strategy, and value creation, with a primary focus on healthcare


Matt has expertise across the healthcare ecosystem, including provider services, revenue cycle management (RCM), and healthcare IT (HCIT) for providers and payors. Prior to joining Grant Thornton Stax, Matt led Corporate Strategy at R1 RCM, where he was responsible for M&A activity and post-deal value creation across the RCM and provider services space. Before that, he was an Associate Partner in the Private Equity Group at Bain & Company, where he advised private equity and corporate clients on growth strategy and commercial diligence, with a focus on healthcare services and technology. 


Matt holds an MBA from the University of Virginia’s Darden School of Business and a BA in Economics and History, also from UVA. 

Extracurricular

Whether by land or sea, Matt enjoys spending his free time adventuring—If you’re in Chicago, you’ll likely spot him sailing out of Belmont Harbor on his 1975 Tartan or biking around the city with his wife and daughters. 

Kelsey Chisholm Named Among The Consulting Report’s Top 25 Women Leaders in Consulting for 2026
By Kelsey Chisholm February 25, 2026
"The Consulting Report" is pleased to announce The Top 25 Women Leaders in Consulting for 2026, including our very own Kelsey Chisholm (Partner). Click here to read more.
By Rob Larson, Jordan Abrams February 17, 2026
A recap of Grant Thornton Stax and Raymond James’ healthcare breakfast on PE investment opportunities across the pharma tech ecosystem.
How AI is Reshaping Vertical SaaS
By Kelsey Chisholm & Palash Misra February 12, 2026
AI is driving a bifurcation between surface-layer productivity tools and core operational platforms within vertical software. Learn how Ai is reshaping vertical SaaS here.
Image of Matt McMillion

Christine O'Connell

Matt McMillion

Director

Chicago

Associate Director | London

About

Matt McMillion is a Director in our Chicago office, with more than a decade of experience leading strategy and commercial diligence engagements for investors and operators. He specializes in M&A, portfolio strategy, and value creation, with a primary focus on healthcare


Matt has expertise across the healthcare ecosystem, including provider services, revenue cycle management (RCM), and healthcare IT (HCIT) for providers and payors. Prior to joining Grant Thornton | Stax, Matt led Corporate Strategy at R1 RCM, where he was responsible for M&A activity and post-deal value creation across the RCM and provider services space. Before that, he was an Associate Partner in the Private Equity Group at Bain & Company, where he advised private equity and corporate clients on growth strategy and commercial diligence, with a focus on healthcare services and technology. 


Matt holds an MBA from the University of Virginia’s Darden School of Business and a BA in Economics and History, also from UVA. 

Extracurricular

Whether by land or sea, Matt enjoys spending his free time adventuring—If you’re in Chicago, you’ll likely spot him sailing out of Belmont Harbor on his 1975 Tartan or biking around the city with his wife and daughters. 

Kelsey Chisholm Named Among The Consulting Report’s Top 25 Women Leaders in Consulting for 2026
By Kelsey Chisholm February 25, 2026
"The Consulting Report" is pleased to announce The Top 25 Women Leaders in Consulting for 2026, including our very own Kelsey Chisholm (Partner). Click here to read more.
By Rob Larson, Jordan Abrams February 17, 2026
A recap of Grant Thornton Stax and Raymond James’ healthcare breakfast on PE investment opportunities across the pharma tech ecosystem.
How AI is Reshaping Vertical SaaS
By Kelsey Chisholm & Palash Misra February 12, 2026
AI is driving a bifurcation between surface-layer productivity tools and core operational platforms within vertical software. Learn how Ai is reshaping vertical SaaS here.
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