
Sovereign & States Litigation Summit USA
Gain actionable insights with managing complex and high-stakes disputes in North and Latin America.
23rd - 24th September 2025, Kimpton Hotel Monaco Washington, D.C., USA
Agenda
FIRE Americas Conference
9am - 5:30pm
Join us for the 3rd Annual FIRE Americas which will be held the previous day, at the same venue.
Click here for more information (requires FIRE Americas ticket - bundle ticket options are available)
Pre-event Networking Drinks Reception
5:30pm
A unique networking drinks reception, where you will meet both the FIRE and Disputes Community.
Ticket holders of FIRE Americas and/or Sovereign & States Litigation Summit USA may attend this networking opportunity.
Registration & Networking Welcome Refreshments
09:00
Chairperson's Opening Remarks
09:20

Charlene Sun, Partner
DLA Piper (US)

Jehad Mustafa, Partner
Farrer & Co

Ofilio Mayorga, Partner
Foley Hoag (Washington D.C.)
Sovereign & States Litigation in a Multi-Polar World – Charting The Future
09:30
- Key industries to look out for
- International court’s impacts on climate change and energy transition
- Popular selection with the seat of arbitration – is this changing?
- Exploring national security in the international litigation and arbitration space
Ofilio Mayorga - Partner - Foley Hoag (Washington D.C.)
Francisco A. Rodriguez - Partner - Reed Smith (Miami)
Danielle Morris - Partner - Wilmer Hale (DC)
Martin Gusy - Partner - Bracewell (New York)
Nikos Asimakopoulos - Director of Disputes - Sigma7 Alaco
Parallel Arbitration and Criminal Proceedings Involving Corruption Allegations
10:15
- Addressing arbitration claims or defences based on corruption allegations
- Admissibility and weight to be given to arbitral evidence in domestic criminal proceedings
- Interaction between criminal jurisdiction and arbitral jurisdiction
- Circulation of evidence between the proceedings
- Effect of a criminal judgment on the arbitral proceedings
Arif Ali - Independent Arbitrator - AHALI Disputes (DC / London)
Yves Klein - Partner - Monfrini Bitton Klein (Switzerland)
Érica Franzetti - Partner - King & Spalding (Miami / DC)
Michael Losco - Counsel - Boies Schiller Flexner (New York)
Networking & Refreshment Break
11:00
Exploring The Concept of Sovereign Immunity
11:30
- Deep dive with the Foreign Sovereign Immunities Act
- What does it mean for enforcement against sovereigns?
- Impacts on your litigation strategy
- Compare and contrasting surveillance and employment
Viren Mascarenhas - Founding Partner - Mascarenhas Law (New York)
Tara J. Plochocki - Partner - Sequor Law (DC)
Robert Kry - Partner - MoloLamken (DC / NYC)
Alanood Ebrahim Al Khalifa - First Secretary - Embassy of the Kingdom of Bahrain in the United Kingdom
The Future of Investor-State Disputes Settlement
12:15
- Discussing the significance of the ISDS system with international investment
- Is investment arbitration waning? How are investors resolving their disputes or hedging their risks?
- The challenges of sovereignty, transparency and enforcement
- Balancing investor protection and state sovereignty
- Discussion of investment courts vs. Investment arbitration
Michaël Schlesinger - Partner - Archipel (France)
Caroline Richard - Partner - Freshfields (DC)
Bruce Marks - Founding and Managing Member - Marks & Sokolov (Philadelphia / Moscow)
Anna Holloway - Senior Legal Counsel - World Bank Group, ICSID (International Centre for Settlement of Investment Disputes)
Nathaniel Jedrey - Attorney-Adviser - Office of the Legal Adviser (U.S. Department of State)
Networking & Lunch Break
13:00
The Costs of Sovereign Enforcement
14:00
- Key developments of the DC Federal Courts on matters involving sovereign immunity
- Looking at recoverability rates and lengthy enforcement proceedings
- How costly can it be? Establishing everyone’s expectation on the costs of enforcing awards
- Challenges around enforcing against state-owned companies
Charlene Sun - Partner - DLA Piper (New York)
Alexander A. Yanos - Partner - Alston & Bird (New York / DC)
Alex H. Loomis - Partner - Quinn Emanuel Urquhart & Sullivan (Boston)
Michael Lennon Jr. - Partner - Mayer Brown (Texas)
Gregory Williams - Partner - Sidley Austin (DC)
Europe’s Retreat from Investment Arbitration: Updates and Outlook
14:45
- Bilateral Investment Treaties and the outcomes of terminations
- ECT: continuing claims under sunset clause
- How are US courts dealing with enforcement? And comparing it to other national courts
- How are arbitral institutions dealing with new claims (ICC, DIFC, SCC and LCIA)
- How will intra-EU investment disputes be decided in the future? Impacts of a possible European investment court
Mahmoud Abuwasel - Managing Partner - Wasel & Wasel (DC)
Remy Gerbay - Partner - Hughes Hubbard & Reed (DC)
Theresa Bowman - Partner - Mitchell Silberberg & Knupp (DC)
Networking & Refreshment Break
15:30
Best Practices for Client Communication for High Stakes Disputes
16:00
- Key skills for navigating the range of clients you get
- Minimising the number of surprises and managing expectations
- Addressing cultural and diplomatic sensitivities
- Reputational risks - Preparing for public and media inquiries
Joe Profaizer - Partner, Global Co-Head of International Arbitration - Linklaters (DC)
Juliana De Valdenebro Garrido - Senior Associate Litigation, Arbitration, and Employment - Hogan Lovells (Miami)
Juan Perla - Partner - Curtis, Mallet-Prevost, Colt & Mosle (New York / DC)
Christopher Ryan - Partner - A&O Shearman (USA)
Cameron Ashouripour - Attorney at Law - Ashouripour Law (DC)
Spotlight on Foreign Investment
16:45
- Balancing investment opportunities and potential disputes
- How political volatility impacts foreign investment in LATAM
- Ensuring a comprehensive protection strategy
- Growth of Chinese investments into LATAM
- Exploring the Middle East and Sovereign Wealth Funds
Jennifer Haworth McCandless - Partner - Baker Botts (Washington DC)
José García Cueto - Partner - Clifford Chance (Washington DC)
David Attanasio - Partner - Womble Bond Dickinson (DC)
Chairperson's Closing Remarks & End of Conference
17:30
Charlene Sun - Partner - DLA Piper (US)
Jehad Mustafa - Partner - Farrer & Co
Ofilio Mayorga - Partner - Foley Hoag (Washington D.C.)
Join us for the 3rd Annual FIRE Americas which will be held the previous day, at the same venue.
Click here for more information (requires FIRE Americas ticket - bundle ticket options are available)
A unique networking drinks reception, where you will meet both the FIRE and Disputes Community.
Ticket holders of FIRE Americas and/or Sovereign & States Litigation Summit USA may attend this networking opportunity.
Charlene Sun - Partner - DLA Piper (US)
Jehad Mustafa - Partner - Farrer & Co
Ofilio Mayorga - Partner - Foley Hoag (Washington D.C.)
- Key industries to look out for
- International court’s impacts on climate change and energy transition
- Popular selection with the seat of arbitration – is this changing?
- Exploring national security in the international litigation and arbitration space
Ofilio Mayorga - Partner - Foley Hoag (Washington D.C.)
Francisco A. Rodriguez - Partner - Reed Smith (Miami)
Danielle Morris - Partner - Wilmer Hale (DC)
Martin Gusy - Partner - Bracewell (New York)
Nikos Asimakopoulos - Director of Disputes - Sigma7 Alaco
- Addressing arbitration claims or defences based on corruption allegations
- Admissibility and weight to be given to arbitral evidence in domestic criminal proceedings
- Interaction between criminal jurisdiction and arbitral jurisdiction
- Circulation of evidence between the proceedings
- Effect of a criminal judgment on the arbitral proceedings
Arif Ali - Independent Arbitrator - AHALI Disputes (DC / London)
Yves Klein - Partner - Monfrini Bitton Klein (Switzerland)
Érica Franzetti - Partner - King & Spalding (Miami / DC)
Michael Losco - Counsel - Boies Schiller Flexner (New York)
- Deep dive with the Foreign Sovereign Immunities Act
- What does it mean for enforcement against sovereigns?
- Impacts on your litigation strategy
- Compare and contrasting surveillance and employment
Viren Mascarenhas - Founding Partner - Mascarenhas Law (New York)
Tara J. Plochocki - Partner - Sequor Law (DC)
Robert Kry - Partner - MoloLamken (DC / NYC)
Alanood Ebrahim Al Khalifa - First Secretary - Embassy of the Kingdom of Bahrain in the United Kingdom
- Discussing the significance of the ISDS system with international investment
- Is investment arbitration waning? How are investors resolving their disputes or hedging their risks?
- The challenges of sovereignty, transparency and enforcement
- Balancing investor protection and state sovereignty
- Discussion of investment courts vs. Investment arbitration
Michaël Schlesinger - Partner - Archipel (France)
Caroline Richard - Partner - Freshfields (DC)
Bruce Marks - Founding and Managing Member - Marks & Sokolov (Philadelphia / Moscow)
Anna Holloway - Senior Legal Counsel - World Bank Group, ICSID (International Centre for Settlement of Investment Disputes)
Nathaniel Jedrey - Attorney-Adviser - Office of the Legal Adviser (U.S. Department of State)
- Key developments of the DC Federal Courts on matters involving sovereign immunity
- Looking at recoverability rates and lengthy enforcement proceedings
- How costly can it be? Establishing everyone’s expectation on the costs of enforcing awards
- Challenges around enforcing against state-owned companies
Charlene Sun - Partner - DLA Piper (New York)
Alexander A. Yanos - Partner - Alston & Bird (New York / DC)
Alex H. Loomis - Partner - Quinn Emanuel Urquhart & Sullivan (Boston)
Michael Lennon Jr. - Partner - Mayer Brown (Texas)
Gregory Williams - Partner - Sidley Austin (DC)
- Bilateral Investment Treaties and the outcomes of terminations
- ECT: continuing claims under sunset clause
- How are US courts dealing with enforcement? And comparing it to other national courts
- How are arbitral institutions dealing with new claims (ICC, DIFC, SCC and LCIA)
- How will intra-EU investment disputes be decided in the future? Impacts of a possible European investment court
Mahmoud Abuwasel - Managing Partner - Wasel & Wasel (DC)
Remy Gerbay - Partner - Hughes Hubbard & Reed (DC)
Theresa Bowman - Partner - Mitchell Silberberg & Knupp (DC)
- Key skills for navigating the range of clients you get
- Minimising the number of surprises and managing expectations
- Addressing cultural and diplomatic sensitivities
- Reputational risks - Preparing for public and media inquiries
Joe Profaizer - Partner, Global Co-Head of International Arbitration - Linklaters (DC)
Juliana De Valdenebro Garrido - Senior Associate Litigation, Arbitration, and Employment - Hogan Lovells (Miami)
Juan Perla - Partner - Curtis, Mallet-Prevost, Colt & Mosle (New York / DC)
Christopher Ryan - Partner - A&O Shearman (USA)
Cameron Ashouripour - Attorney at Law - Ashouripour Law (DC)
- Balancing investment opportunities and potential disputes
- How political volatility impacts foreign investment in LATAM
- Ensuring a comprehensive protection strategy
- Growth of Chinese investments into LATAM
- Exploring the Middle East and Sovereign Wealth Funds
Jennifer Haworth McCandless - Partner - Baker Botts (Washington DC)
José García Cueto - Partner - Clifford Chance (Washington DC)
David Attanasio - Partner - Womble Bond Dickinson (DC)
Charlene Sun - Partner - DLA Piper (US)
Jehad Mustafa - Partner - Farrer & Co
Ofilio Mayorga - Partner - Foley Hoag (Washington D.C.)

Contact Us
Speakers
For Speakers enquiries please contact Melody Mok on +44 (0) 20 3997 8527 or email melody@thoughtleaders4.com
Partnership
For Partnership enquiries please contact Ben Jobson on +44 (0) 20 3059 9525 or email ben.jobson@thoughtleaders4.com
Venue & Logistics
For Venue & Logistics enquiries please contact Laura Fraser on +44 (0) 20 3433 2284 or email laura.fraser@thoughtleaders4.com
Marketing
For Marketing enquiries please contact Yelda Ismail on +44 (0) 20 3398 8551 or email yelda@thoughtleaders4.com
Booking & General Queries
For Booking & General Queries enquiries please contact ThoughtLeaders4 on or email info@thoughtleaders4.com