Participant Type: IndividualBased on the existing information, Thomas Sean O'Sullivan has been involved in 1 commercial arbitration involving a State.Sole Arbitrator 1 case in this roleUnion Glory Limited v. PDVSA Petroleo S.A. View case details3 source documents Union Glory v. PDVSA ,Second Partial Award in Relation to Costs, June 24, 2024Union Glory v. PDVSA , Declaration of Marko Kraljevic, December 7, 2023Union Glory v. PDVSA , Petition to Enforce Arbitration Award, February 11, 2026