Professor O’Brien is a well-regarded and highly-skilled trust and estate practitioner who joined Caplin & Drysdale as a Member in 2013.  

The cornerstone of Professor O’Brien’s practice involves advising domestic and international private clients on safeguarding their personal and business interests.  She offers counsel on matters relating to estate planning, trust and estate administration, and related areas of federal and state tax law. These areas include transfers of family wealth to succeeding generations, settlement negotiations in large estate controversies, family trust matters, and charitable tax planning. Additionally, Ms. O’Brien assists high-net-worth individuals (HNWIs) and families in structuring their U.S. and global holdings, as well as the transfer of those holdings to family members, trusts, charitable organizations, and other entities.