Sarah represents owners, contractors, developers, architects and engineers, both in the United States and abroad, in all stages of the construction process.

As Co-Chair of the firm’s national Construction Law and International Arbitration groups, Sarah focuses her practice on large, capital-intensive construction projects, with a particular emphasis on drafting and negotiating contracts for complex and unique construction and infrastructure, as well as litigating disputes both in the courtroom and in domestic and international arbitration. She represents the Panamanian contractor that was part of the consortium that built the third lane (expansion) of the Panama Canal.

Sarah has been involved in the construction of industrial smelters, power plants, waste ammonia recovery systems, solar power installations, museums, manufacturing facilities, gambling facilities, educational institutions, health care facilities and other commercial and infrastructure projects. She defended a European construction company in connection with Defense Base Act claims arising out of the 1968 crash of a B-52 bomber carrying four nuclear warheads at an airbase in Thule, Greenland. Sarah prevailed in Administrative Law Court, at the Benefits Review Board, at the 1st Circuit U.S. Court of Appeals and at the U.S. Supreme Court.

Clarissa Coleman is Head of International Arbitration and a partner in the Commercial Litigation and Disputes group in the firm's London office, which was named “Arbitration Team of the Year” at the British Legal Awards 2022.

Clarissa advises corporates and individuals on multi-jurisdictional disputes and arbitration, enforcement strategies, reputation and crisis management, internal and external investigations, ethics and governance.

Clarissa has extensive experience (private practice and in-house) of regulatory investigations and claims relating to private equity structures, fee agreements, shareholder agreements, failed joint ventures and contractual disputes.

Clarissa has been listed as a leading lawyer for the UK in 2017, 2018 and 2019 in Who's Who Legal: Investigations in Conjunction with Global Investigations Review and listed in the 8th and 9th edition of the Expert Guides Women in Business Law as one of 9 litigation experts for the UK.

Legal 500 2020 stated “Clarissa Coleman is clever, tenacious, energetic and a great team manager”, in 2021 described her as “superb” and in 2022 as a “fantastic brainstormer”.

Mariel is Secretary-General of Hong Kong International Arbitration Centre. She is an international commercial and investment arbitration specialist.

Prior to joining the HKIAC, Mariel was a Partner at CMS and Co-Head of the global CMS International Arbitration Group. She has over 15 years' experience acting as adviser and advocate in numerous international arbitrations. She has extensive experience in both common law and civil law disputes, including disputes involving Chinese parties, and has full professional fluency in German. She also sits regularly as arbitrator and has experience as arbitrator under the HKIAC, ICC, KCAB, and DIS Rules, and in ad hoc disputes. She is on the arbitrator panels of several institutions.

She is a past co-chair of the HK45 Committee, and a member of the WILHK Advisory Board. She is consistently ranked in both the regional and global editions of the leading legal directories.