A&O Shearman
We are only able to display limited information for this firm. We display more complete information for all of the following firms:
A&O Shearman continues to run a strong investment-grade DCM practice with issuer and underwriter representation in major transactions across several industries, such as the financial services, chemicals, life sciences, TMT and energy sectors, amongst others. Standout work from the team includes advising IBM on offerings totaling $4.75bn. Lona Nallengara advises corporations and financial institutions on public and private offerings, and Richard Alsop‘s expertise includes IPOs and convertible bonds. Bill Nelson and Taylor Landry are two key names from the Houston office, noted for their work in the energy space. Erika Kent and Ryan Robski are two names to watch, serving leading roles in several transactions. Ilya Mamin provides key support along with Katya Bogdanov. Michael Kim joined the team in April 2025. All lawyers mentioned above are based in New York unless otherwise stated. Ilir Mujalovic departed the team in February 2026.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘They feel like part of our team (Lona and Erika in particular). I like the expertise they bring to the table and that some of their lawyers spent time in enforcement. They also do a great job keeping us apprised of regulatory developments and trends.’
‘I like when I ask questions that Lona in particular is so conversant in this space that he can brainstorm with me on difficult questions, approaches.’
Key clients
- Barclays
- BBVA
Work highlights
Advised International Business Machines Corporation (IBM) in connection with its registered offering of USD4.75bn and EUR3.5bn notes.