Mr Jason Lehner > Shearman & Sterling LLP > New York, United States > Lawyer Profile

A&O Shearman has a strong record in global offerings, advising a vast array of issuers and underwriters; it has particularly close connections to bulge-bracket investment banks. It continues to be amongst the leading firms in global bonds. For Canadian offerings, Jason Lehner is a key capital markets practitioner in New York, is head of the metals and mining practice, and also managing partner of the Toronto office. Hired from Linklaters LLP in August 2023, Alejandro Gordano is noted for ESG-related offerings across Latin America, including sustainability-linked bonds issued by sovereign states. Former partner and now of counsel Antonia Stolper remains active in Latin America deals. Grissel Mercado has left the firm.

A&O Shearman has a strong record in issuer and underwriter-side high-yield engagements, and is increasingly active in representing underwriters in recent times with one of the biggest market shares amongst the leading firms. The firm’s formidable leveraged finance practice provides a foundation for its high-yield activities and it has a notable presence in debt restructuring-related issuances. It also has an extensive global presence bringing a steady pipeline of deals originating in Latin America; it represented Colombia’s Ecopetrol in a $1.5bn public offering of notes. Key names in New York include Harald Halbhuber , Jason Lehner , Stephen Gruendel and Michael Chernick.

A&O Shearman has an outstanding reputation in investment grade debt offerings, especially for underwriters, though with an established record in issuer-side engagements too. It continues to advise issuers and underwriters in headline and big-ticket debt offerings, including those in the financial services and asset management, energy and power, telecoms, healthcare and biotechnology sectors. With Canada-focused lawyers in New York and an office in Toronto, it is at the forefront of representing clients in bond offerings by Canadian financial institutions and other issuers. Lona Nallengara leads many of the firm’s top engagements and previously held senior positions at the Securities and Exchange Commission (SEC). Ilir Mujalovic and Richard Alsop  are also key partners, alongside Jason Lehner , who splits his time between New York and Toronto. Alejandro Gordano has joined from Linklaters LLP, while Grissel Mercado has left the firm. All other named partners are based in New York.