Doeren Mayhew, a nationally recognized CPA and advisory firm, recently announced its 2026 promotions, including 12 professionals taking on leadership positions.   

Effective Oct. 1, 2026, principal promotions include:  

Adam Pettinella, CPA 

Principal, Doeren Mayhew Advisors, LLC 

As part of the Transaction Advisory Group in Rochester, New York, Adam brings nearly 15 years of experience advising clients on tax strategy, financial planning and complex transactions. With extensive experience in tax compliance and planning, mergers and acquisitions, and outsourced CFO services, he primarily serves the construction and real estate sectors while supporting clients across a broad range of industries. 

Charlie Rewold, CPA 

Principal, Doeren Mayhew Advisors, LLC 

As a member of the Transaction Advisory Group in Troy, Michigan, Charlie brings more than 10 years of experience supporting private equity investors, strategic acquirers and privately held companies through buy- and sell-side transactions. His background includes more than 150 transactions across a range of industries, providing accounting and financial due diligence support focused on quality of earnings, working capital analysis, cash flow and forecast evaluation, and key purchase agreement considerations. 

Chase Baker, CPA 

Principal, Doeren Mayhew Assurance, PC 
Principal, Doeren Mayhew Advisors, LLC 

Chase brings 15 years of experience supporting audit engagements across a wide range of industries. Based in Birmingham, Alabama, he works closely with management teams, finance leaders and boards to help strengthen financial reporting, internal controls and operational effectiveness. His broad industry experience allows him to deliver practical insights and recommendations that support informed decision-making. 

Dan Dagenais, CPA 

Principal, Doeren Mayhew Assurance, PC 
Principal, Doeren Mayhew Advisors, LLC  

Based in Troy, Michigan, Dan brings nearly 10 years of experience delivering audit and assurance services to clients across a diverse range of industries. He works closely with organizations to provide reliable financial insights, strengthen internal controls and support informed decision-making. His experience also includes employee benefit plan audits and helping clients navigate complex regulatory requirements. 

David Bayer, CPA 

Principal, Doeren Mayhew Assurance, PC 
Principal, Doeren Mayhew Advisors, LLC 

David brings nearly 10 years of public accounting experience serving financial institutions of varying sizes and complexity. As a member of the Financial Institutions Group, he delivers audit and assurance services, including financial statement audits, agreed-upon procedure engagements and merger due diligence projects. 

Gina Russo, CPA, MST 

Principal, Doeren Mayhew Advisors, LLC 

With nearly 10 years of experience, Gina advises small and mid-sized businesses on a wide range of tax matters. Based in Troy, Michigan, she specializes in pass-through entity taxation and works closely with clients to develop tax planning strategies that support cash flow, address regulatory changes and promote long-term business objectives. Her industry experience includes manufacturing, real estate, construction and family offices

James Morrison, CPA 

Principal, Doeren Mayhew Advisors, LLC 

Based in Houston, Texas, James brings more than 20 years of experience advising individuals and businesses on a wide range of tax and accounting matters. He provides strategic guidance in tax compliance, tax planning and business consulting, helping clients navigate complex financial challenges and make informed decisions that support their long-term goals.  

Josh Curtiss, EA 

Principal, Doeren Mayhew Advisors, LLC 

As part of the International Services Group, Josh brings more than 10 years of experience advising globally mobile individuals, high-net-worth families and businesses with complex cross-border tax matters. He specializes in U.S. international tax compliance, planning and advisory services, helping clients navigate global investments, international business interests and evolving tax obligations while developing strategies to support their financial objectives. 

Leslie Pelt, CPA 

Principal, Doeren Mayhew Advisors, LLC 

Leslie brings more than 10 years of public accounting experience providing tax planning, compliance and consulting services to privately held businesses and high-net-worth individuals in Central Florida. She works with clients across a variety of industries, including construction, manufacturing, and aerospace refurbishment and repair, helping them navigate complex tax matters and plan for long-term success. 

Nayda Mason, CPA, MST 

Principal, Doeren Mayhew Advisors, LLC 

Drawing on more than 25 years of experience, Nayda helps business owners manage tax obligations, reduce risk and plan for the future. Based in Troy, Michigan, she specializes in income tax matters and combines public accounting and industry experience to deliver practical insights and proactive tax solutions tailored to her clients' needs. 

Patrick Barker, CPA 

Principal, Doeren Mayhew Assurance, PC 
Principal, Doeren Mayhew Advisors, LLC  

Patrick brings nearly 20 years of experience in public and industry accounting, providing assurance, tax and financial statement services to clients across a variety of industries. Based in Birmingham, Alabama, he draws on his experience as a former corporate controller to deliver practical insights and help clients navigate operational and financial challenges with confidence. 

Richard Lee, JD, LLM 

Principal, Doeren Mayhew Advisors, LLC 

As part of the Transaction Advisory Group in Troy, Michigan, Rich brings more than 10 years of experience in tax law and mergers and acquisitions advisory services, helping clients navigate complex transactions with confidence. He specializes in tax due diligence, transaction structuring and risk assessment, providing strategic guidance that helps clients uncover opportunities, mitigate exposures and maximize long-term value.