Get to Know Me

Michael Ritchie has over 15 years of public accounting experience. He specializes in transaction advisory services, focusing on financial due diligence in the middle market. Mike assists middle-market clients in achieving successful transactions by supporting them through financial diligence, working capital assessments and other transaction advisory services.  

Mike has developed expertise in the healthcare space, collaborating with sellers and buyers within the industry. He also focuses on building relationships with strategic acquirers and private equity nationwide, providing integration and growth strategy assistance. 

Mike currently holds an active CPA license in California and previously held a CFE license for several years. He began his career as an auditor, spending more than eight years in that role before advancing to a senior manager. He then focused exclusively on transaction advisory, gaining essential skills to thrive as a professional CPA at Withum.  

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Give Back

Mike gives back to the industry through regular speaking engagements at conferences, including prior events such as Opus Connect and the McGuire Woods Healthcare Private Equity Conference. He also presents educational webinars on healthcare M&A as part of Withum’s external learning opportunities. Mike is a published thought leader in Earnout Magazine. In 2024, Mike received the 15th Annual Emerging Leader Award from The M&A Advisor.  

In addition to his industry involvement, Mike contributes to his community through his children’s activities. He has been an active member of the Tustin Public Schools Foundation board for five years, serving as the Treasurer. He also coaches both girls’ and boys’ youth soccer and basketball.

Work Hard/Play Hard

Outside of work, Mike loves spending time with his family, staying active and traveling. He is very passionate about golfing and playing slow-pitch softball and attending live sporting and concert events. His travels have taken him across the country, including Hawaii, Alaska and around the world. Some of Mike’s favorite places that he has traveled to include Japan, Costa Rica and Italy. Additionally, Mike is a dedicated sports fan and a lifelong Los Angeles Lakers and Los Angeles Angels fan.