Cristiani is part of the JTC private office team and sits within the firm’s private weallth services division. She has almost two decades' experience of working with ultra-high net worth individuals and international wealthy families, with a particular focus on Latin America and expertise in establishing bespoke estate planning solutions.

Based in New York since 2004, Christiani joins JTC having most recently been responsible for opening and leading the new office for CISA Trust Company in the city. Prior to that, she worked for an international trust company, in senior roles in New York and before that, in the British Virgin Islands. Having received a law degree from Universidad de Buenos Aires in 1999, Marina initially worked for a boutique Argentine law firm specializing in public international law.

She is a trust and estates practitioner and an active member of STEP, serving as vice chair of STEP New York and co-chair of its event committee. She is also a member of the International Bar Association and a founding board member of the Argentine Lawyers Association of New York. Cristiani is admitted to practice law by the Bar Association of the City of Buenos Aires.

JTC opened its New York office in August 2014 to augment its network of offices in the Americas, offering access to a range of expertise across the private client and corporate sectors, including family office services, entity formation and administration, succession planning and philanthropy. It is complemented by offices in Miami, which opened in 2013, and South Dakota, where JTC was granted a trust licence in 2016.