Greg Olsen

David Birchall advises clients on the full range of energy transactions in the mid- and downstream fields, including types of commodity trading matters, conventional, renewables and clean-tech projects, energy and infrastructure projects, regulation and waste, including waste-to-energy schemes. Having practised as an energy corporate, regulatory and projects lawyer since 1993, he also worked from the start of the renewables and physical commodities trading legal market, in the UK, throughout ...

Hilton Mervis is a lawyer recognized by Best Lawyers in the practice area of Litigation. Hilton practices law in London, United Kingdom Best Lawyers has recognized Hilton Mervis since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Hilton Mervis is held by other lawyers.

Claibourne S. Harrison is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Claibourne S. practices law in London, United Kingdom Best Lawyers has recognized Claibourne S. Harrison since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Claibourne S. Harrison is held by other lawyers.

Shane R. Gleghorn is a lawyer recognized by Best Lawyers in the practice areas of Financial Services and Litigation. Shane R. practices law in London, United Kingdom Best Lawyers has recognized Shane R. Gleghorn since 2015. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Shane R. Gleghorn is held by other lawyers.

Pawel Szaja is a lawyer recognized by Best Lawyers in the practice area of Capital Markets Law. Pawel practices law in London, United Kingdom Best Lawyers has recognized Pawel Szaja since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Pawel Szaja is held by other lawyers.

Franz Schwarz focuses on complex multi-jurisdictional disputes. He has extensive experience with arbitral practice, procedure and advocacy both in civil and common law systems. Mr. Schwarz has been involved in more than 250 arbitrations as counsel and arbitrator, both ad-hoc and before all major arbitral institutions (including ICC, LCIA, Vienna and Stockholm), at multiple seats and governed by a broad variety of substantive and procedural laws. He has a particular focus on joint venture, M&a...

Paul Maher serves as a Vice Chair of Greenberg Traurig. He concentrates on corporate law, particularly cross-border public and private mergers and acquisitions. He advises a wide range of domestic and international clients in numerous sectors, including chemicals, pharmaceuticals, life sciences, financial services, information services, retail and communications. Paul is highly recommended by both of the leading independent guides to the legal industry. In its 2020 edition, Chambers UK stated...

Michael Kazakevich is a partner in Ropes & Gray’s finance group in London, co-head of the firm’s global practice, and co-chair of the firm’s investment banking industry group. Michael’s practice focuses on corporate finance transactions. He has advised issuers and underwriters in connection with high yield debt issues, secured leveraged loans, initial and follow-on public equity offerings, tender offers and acquisition financing commitments.

Kalyan "Kal" Das is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Kalyan, who practices law in New York, New York, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kalyan is held by other top lawyers in the same geographic and legal practice area. Kal Das focuses on global bank and institutional finance, structured finance, project finance, asset securitization, di...

Cy Benson is a U.S. and English qualified partner in the London office of Gibson, Dunn & Crutcher and serves as Co-Chair of the firm’s International Arbitration Practice Group. Mr Benson represents clients from a wide variety of sectors before commercial and investment treaty tribunals with particular experience in telecoms, oil & gas, mining and infrastructure disputes. He continues to represent a Dutch and a Luxembourg investor in two separate multi-billion dollar arbitration ...