New York-based Bob Arenstein is a well-known and skilled attorney handling complex and contentious divorce cases, not simply in New York City but in several U.S. jurisdictions. More significantly, Arenstein is perhaps the nation’s best known authority on so-called Hague Convention cases – international custody cases bound by a 1980 Hague Convention agreement, known formally as the Hague Convention on Civil Aspects of International Parental Child Abduction. With 84 countries are signatories, Arenstein has influenced and helped write several U.S. custody and divorce statutes. He is widely known, and he’s regularly called into cases as a consultant and expert witness. Arenstein represented Mary Beth Whitehead in the famous 1986 “Baby M” case, which set precedents on the rights of surrogate mothers. Further, he’s served as a longtime officer of New York’s chapter of The American Academy of Matrimonial Lawyers.