Estate Planning Attorney Profiles

Diane K. Kuwamura, Principal

Diane K. Kuwamura, Principal

Born in Rio de Janeiro, Brazil, Diane was raised in Montgomery County, Maryland after her family moved from San Antonio, Texas. Diane graduated from the Academy of the Holy Cross in Kensington, Maryland. Presently she serves as a member of the Alumnae Board at the Academy of the Holy Cross.

Ms. Kuwamura attended Boston University where she graduated from the Questrom School of Business, earning a Bachelor of Science in Business Administration (BSBA) in Accounting. Diane was also an active member and officer of the Eta Chapter of Alpha Phi Sorority.

Diane attended the Catholic University of America Columbus School of Law in Washington, DC. While attending law school, she served as the Law Clerk to the Register of Wills for Montgomery County, Maryland.

Ms. Kuwamura is licensed to practice law in Maryland and the District of Columbia. She earned an AV Preeminent rating from Martindale Hubbell and has been named an estate planning attorney among the top twenty-two in the area by Bethesda Magazine. Diane is a frequent lecturer on estate planning topics.

Diane is a member of the United States Supreme Court Bar Association, the United States District Court for the District of Maryland, the Maryland State Bar Association-Estates and Trusts and Taxation Sections, The District of Columbia Bar, the American Bar Association-Real Property, Trust and Estate Law Section and Taxation Section and the Montgomery County Bar Association-Estates and Trusts Section. She is also a Fellow of the Maryland State Bar Association. She has been an active member of the Washington, DC Estate Planning Council since 2000. From 2010 to 2011, Diane served as President of the Washington, DC Estate Planning Council. Prior to that, she served on the Council’s Board from 2005-2012 and on various committees within the Council including as Chair of the Membership Committee. Diane is currently also a member of the Montgomery County Estate Planning Council.


Brian R. Della Rocca, Principal

Brian R. Della Rocca, Principal

Born and raised near Albany, New York, Brian has been practicing law since 2003.He earned his law degree from the Catholic University of America, Columbus School of Law. Brian also earned a Masters of Law (LL.M.) in Taxation and a Certificate in Employee Benefits from the Georgetown University Law Center. During his undergraduate years at the State University of New York, College at Oneonta, he was a member of the Tau Kappa Epsilon fraternity.

Brian is a frequent lecturer on estate planning, including Estate Planning for Single Parents, the portability of the federal estate tax, the transfer for value rule, and, before the Maryland Register of Wills Association, on how to clear title to real property without the need to open multiple generations of estates. Brian has been quoted in Money Magazine and the Journal of Financial Planning on various estate planning topics.

Brian earned an AV Preeminent rating from Martindale Hubbell and has been named a “Rising Star” and a “Super Lawyer” by Super Lawyers Magazine for the District of Columbia in the field of Estate and Trust Law since 2013 and in Super Lawyers Magazine for the State of Maryland since 2009. Brian is a former Co-Chair of the Maryland Estate and Gift Tax Study Group and a former Member of the Estates & Trusts Section Council for the Maryland State Bar. Additionally, he served as the former Co-Chair of the Montgomery/Prince George’s County Tax Study Group.

In his personal time, Brian currently serves as President of the Lido Civic Club of Washington, DC, an Italian-American organization formed over 85 years ago. He has been a member of the club since 2009.

Brian lives in Montgomery County with his wife and two daughters.

Brian is licensed to practice law in Maryland and the District of Columbia.