As independent practitioner / consultant
(1995–present, selected engagements)

• international law advisor to Attorney General’s Office (AGO) & Cabinet Office, United Kingdom (Brexit-related matters) (2022)
• international law advisor to plaintiffs’ counsel on sovereign immunity issues in a major class action claim (U.S.) (2021)
• strategic advisor to a U.S.-based technology company in a U.S. International Trade Commission sec. 337 proceeding (2021)
• international law advisor to ERG (UK Parliamentary pro-Brexit group of MPs, several of whom now hold ministerial portfolios in UK Government) (2019)
• party-appointed expert (by respondent State), Stati et al. v. Kazakhstan (Energy Charter Treaty) (annulment proceedings, Svea Court of Appeal (Stockholm)) (2015 to 2018)
• Counsel, Arab Republic of Egypt, RE: a long-running multilateral treaty negotiation (2015 to 2019)
• Counsel, Socialist Republic of Viet Nam, RE: maritime disputes (2012 to 2019)
• Counsel, Kingdom of Thailand, RE: Request for interpretation of the Judgment of 15 June 1962 in the case concerning the Temple of Preah Vihear (Cambodia v. Thailand) (Cambodia v. Thailand) (ICJ) (2011 to 2015)
• Associate counsel, United Kingdom, RE: Accordance with international law of the unilateral declaration of independence of Kosovo, advisory proceedings (ICJ) (2008 to 2010)
• Advisor, Greece, RE: Application of the Interim Accord of 13 September 1995 (the former Yugoslav Republic of Macedonia v. Greece) (ICJ) (2009 to 2012)
• Advisor, Trieste NGO (2013 to 2015)
• Legal drafting team leader, Bahrain Independent Commission of Inquiry (October-December 2011)
• Advisor, UK Nuclear National Centre of Excellence, (Shadow) Subject Matter Advisory Group, RE: proposed legal frameworks for an international nuclear fuel bank (2010)
• Advisor, Castrén Institute/Council of Europe, RE: constitutional problems of a proposed re-integration plan for Abkhazia, Georgia (2006)
• Advisor, Free Kosovar Society, RE: final status negotiations for Kosovo (2005)
• Legal consultant, Cambridge Bioventures LLC (a U.S. life sciences private equity fund) (2003), RE: structuring a UK fundraising vehicle for a U.S. biotechnology fund
• Chief counsel, international jurists’ amicus brief, McConnell v. FEC, 540 U.S. 93 (2003)
• Miscellaneous drafting work and court appearances in a Massachusetts law practice (summer 1995)

As assistant counsel and principal associate to James Crawford SC AC
(December 2002 to May 2013 with sabbaticals)

Representative matters (majoring as assistant counsel)

• Maritime Dispute (Peru v. Chile) (ICJ) (for Chile)
• Territorial and Maritime Dispute (Nicaragua v. Colombia) (ICJ) (for Colombia)
• Deutsche Bank v. Sri Lanka (ICSID) (for Sri Lanka)
• Chevron v. Ecuador (PCA/UNCITRAL) (for Chevron)
• Presbyterian Church of Sudan v. Talisman Energy Inc., 582 F.3d 244 (2nd Cir 2009) (for Talisman)
• an ICC arbitration related to Republic of Zambia v. Meer Care Desai [2006] EWCA 390 (for Zambia)
• Advisory work for government of Taiwan in regard to its attempts to participate in the WHO (2007)

Representative matters (minoring as assistant counsel)

• Burlington Resources v. Ecuador (ICSID) (for Burlington)
• Vivendi v. Poland (ICSID) (for Poland)
• Aerial Herbicide Spraying (Ecuador v. Colombia) (ICJ) (for Colombia)
• Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Georgia v. Russian Federation) (ICJ) (for Georgia)
• Dispute regarding Navigational and Related Rights (Costa Rica v. Nicaragua) (ICJ) (for Costa Rica)
• Maritime Delimitation in the Black Sea (Romania v. Ukraine) (ICJ) (for Romania)
• Eritrea/Ethiopia (Compensation Commission) (for Eritrea)
• Baglihar Dam dispute (Pakistan v. India) (proceedings before a Neutral Expert under the Indus Waters Agreement) (for Pakistan)