Katherine DeMamiel is an associate in the New York and London offices of Sullivan & Cromwell’s estates and personal group. Ms DeMamiel received her JD from the University of Virginia School of Law in 2010 and her BA from Baylor University in 2007. She has participated in the representation of international families and fiduciaries with respect to a broad range of tax and planning issues, including extensive advice with respect to trust and family business planning. Ms DeMamiel is a co-author of the article entitled ‘Planning for the Non-Citizen Spouse’ published in the June 2016 edition of the Journal of Taxation, and was named as a ‘One to Watch’ in the Private Client Global Elite 2017 and 2018 by Legal Week.