Meet the Tiedemann team
Our commitment to clients is solidified in our structure as a partnership set up to hand down equity to future employees. Meet the Tiedemann team here.

Brittany Cook
Managing Director
[email protected]t.com
Brittany is responsible for working with clients and their advisors to develop and administer custom trust, tax and estate planning solutions. She also brings experience with Delaware trust law and related advantages relative to each client’s specific short-term and long-term objectives. Brittany serves as the main point of contact for clients, managing execution of the integrated plan and overseeing its ongoing administration, including updates due to evolution of family circumstances and applicable laws. She is also a member of the Firm’s Trust Review Committee.
Prior to joining Tiedemann, Brittany was a Vice President, Trust Officer and Assistant Fiduciary Counsel, at Bessemer Trust in its estate planning group. During her tenure, Brittany developed inter-generational wealth transfer planning strategies for clients and administered trust accounts established in Delaware.
Certifications and memberships include:
- State bar, Pennsylvania
- State bar, New Jersey
- State bar, Delaware (associate)
- Member, Estate Planning Council, Philadelphia
- Member, Wilmington Tax Group
- Board Member, The Fertility Fund: A gift from the heart
- Board Member, Pennsylvania Academy of the Fine Arts, the Brodsky Center
Brittany earned a Juris Doctor degree from the Rutgers University School of Law. She also earned a Master of Law in Taxation and an Estate Planning Certification from Temple University in Philadelphia, following a Bachelor of Arts in art history and government from Hamilton College. Born in New Jersey, Brittany currently resides in Bryn Mawr, Pennsylvania, with her husband and two children.