Ms. Hennessey is responsible for the implementation and oversight of family office services as well as acting as a senior resource to the Trust Company.

Prior to joining Tiedemann Trust Company in 2006, Ms. Hennessey spent fifteen years as a Vice President with JPMorgan where she administered complex trusts and estates and acted as the Chairman of the Trust and Investment Committee for charitable accounts. Her previous experience includes the practice of law specializing in trusts and estates as well acting as the Southwest Decorative Arts Specialist for Sotheby's.

Shannon received a Bachelor of Arts in Art History from the University of Texas at Austin and a J.D. degree from Rutgers University where she served as General Editor of the Law Review.