Meet The Team

Marcos P. Martinez

Claire L. McMahon, JD, LLM

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Claire L. McMahon is a Senior Associate in the Duggan Bertsch Trust & Estate Planning Group.  She advises clients on a wide range of sophisticated trust and estate planning matters, including succession planning, income and estate tax planning, charitable giving, trust and estate administration and general corporate matters. She works with individuals, families, and business owners to provide personalized legal and tax advice designed to address their specific needs and objectives. 

Claire regularly works with individuals, families, and business owners to provide personalized legal and tax advice designed to address their specific needs and objectives. Prior to working at Duggan Bertsch, Claire was with a well-established law firm in Chicago where she represented clients in areas of tax controversy and compliance, estate planning and administration, general corporate and tax matters centering her practice on helping clients achieve goals through a holistic legal approach.  

Want to Join Our Team?

We are always looking to add exceptional people to Team DB.