Joseph represent substantial international families on structuring their affairs and estate planning, and advises financial institutions with respect to the establishment of international trust companies and a wide variety of financial services, particularly with respect to life insurance.

He joined the firm as a principal in 2002; prior to that, he was head of international private clients (Europe) at the US law firm Bryan Cave. Having graduated from Princeton and Columbia, he is admitted to practice by the State of New York, State of California, District of Columbia, Conseil Juridique in France, and is a registered Foreign Lawyer in the UK. He was named New York Achiever of the Year at the Citywealth Americas Magic Circle Awards 2006, and Citywealth Top 100 Lawyers 2007.

He is editor of Private Wealth Management, a directory for the Private Banking industry and editor of Investing Through Life Insurance a book for the International Tax Planning Association (ITPA). He is co-author of Asset Protection Trusts with Milton Grundy and John Briggs and the editor of Planning and Administration of Offshore and Onshore Trusts (with Simon Jennings and Anthony Travers), which is a book for the Society of Trust and Estate Practitioners (STEP).