Participant Type: IndividualBased on the existing information, 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 documentsUnion Glory v. PDVSA , Addendum to First Partial Award, May 31, 2023Union Glory v. PDVSA , First Partial Award, April 14, 2023Union Glory v. PDVSA , Petition to Enforce Arbitration Award, February 11, 2026