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. 

Featured by The Food Institute: Pet-Food Investments Surge as Gen Z, Millennials Drive Humanization
By Samantha Pinkes April 9, 2026
Grant Thornton Stax Director Sam Pinkes was recently featured by The Food Institute where she offered commentary around the growing humanization trend among pet owners. Read more.
5 RSA Conference 2026 Takeaways for PE Investors
By Tyler Michaels & Sam McCabe April 8, 2026
We attended the RSA Conference, a premier flagship cybersecurity conference. Read our list of takeaways to learn about how cybersecurity assets will be impacted over the next year.
Paul Edwards on The Consulting Report's Podcast: Top Consultant
April 8, 2026
Grant Thornton Stax’s Paul Edwards, named a Top Consultant by The Consulting Report, joins RJ Lumba to discuss the award and life at the firm.
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. 

Featured by The Food Institute: Pet-Food Investments Surge as Gen Z, Millennials Drive Humanization
By Samantha Pinkes April 9, 2026
Grant Thornton Stax Director Sam Pinkes was recently featured by The Food Institute where she offered commentary around the growing humanization trend among pet owners. Read more.
5 RSA Conference 2026 Takeaways for PE Investors
By Tyler Michaels & Sam McCabe April 8, 2026
We attended the RSA Conference, a premier flagship cybersecurity conference. Read our list of takeaways to learn about how cybersecurity assets will be impacted over the next year.
Paul Edwards on The Consulting Report's Podcast: Top Consultant
April 8, 2026
Grant Thornton Stax’s Paul Edwards, named a Top Consultant by The Consulting Report, joins RJ Lumba to discuss the award and life at the firm.
Show More