
Specialist public international law boutique firm Volterra Fietta counts several sovereign states and state-backed entities amongst its impressive roster of clients, handling the full range of PIL work, including advisory opinion proceedings before the ICJ and other international courts, ICSID treaty arbitrations, as well as international law proceedings before domestic courts. Treaty negotiation, sanctions, and business and human rights issues constitute further pillars of work for the team. Robert Volterra has a strong track record advising sovereign states on climate change, state immunity, and land and maritime boundary issues before the ICJ. Peter Flint takes point on international arbitration matters, acting for governments and global corporations; Gunjan Sharma is a key contact for international environmental law and maritime delimitation work; while Ahmed Abdel Hakam has a focus on international disputes in the energy and natural resources sectors. The four jointly lead the ‘unique’ team and are ably assisted by Angela Ha and Magdalena Kowalczuk Asher.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Volterra Fietta has a unique team, every lawyer holds at least one degree in public international law, specialized in one field or more, and has excellent knowledge and experience. The lawyers are available and very cooperative, and ready to respond almost anytime. I had an excellent experience with them.'
- 'Deep specialised knowledge; nimble; genuinely international.'
Key clients
- International Coffee Organization International Sugar Organization Republic of Malawi State of Libya Minority shareholders in Natulab Laboratório S.A Barbados Kingdom of Bahrain Republic of Croatia Republic of the Union of Myanmar Arab Republic of Egypt Koch Minerals Sàrl Koch Nitrogen International Sàrl Koch Industries, Inc. Owens-Illinois Inc. United States of America Kingdom of Saudi Arabia TeleYemen
Work highlights
Representing Barbados in advisory opinion proceedings before International Court of Justice and Inter-American Court of Human Rights concerning climate change obligations of States.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Robert Volterra; Peter Flint; Gunjan Sharma; Ahmed Abdel Hakam
Other key lawyers
Angela Ha; Magdalena Kowalczuk Asher




