
A&O Shearman’s investment-grade DCM team is strong on both the issuer and underwriter side and has experience spanning the auto, biotech, energy, financial services, manufacturing, telecoms, and infrastructure sectors, among others. Recent highlights for the group include advising The Dow Chemical Company on its inaugural green bond offering. Practice head Ilir Mujalovic has broad experience covering the healthcare, retail, media, industrials, and financial services sectors. Lona Nallengara’s varied practice covers public and private debt offerings; he leverages his experience at the SEC to handle high-profile matters on a regular basis. Bill Nelson, managing partner in Houston and the Texas region, and Taylor Landry, also in Houston, are both noted for their work in the energy space. Richard Alsop and Erika Kent also play leading roles in the team, while Ilya Mamin and Stella Sun are also key contacts. All lawyers mentioned are based in New York, unless otherwise noted.
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Testimonials
Collated independently by Legal 500 research team.
- 'Lona Nallengara and Erika Kent are wonderful. They have a fantastic understanding of the market and great insight into the SEC. Stella Sun is also a great associate, always thinking ahead and anticipating what we need before we do!'
- 'The team is highly responsive and available. Their advice is always practical and strategic.'
Key clients
- CVS Health Corporation
- The Dow Chemical Company
- Goldman Sachs & Co. LL
- BMO Capital Markets
- MUFG
- Barclays Capital Inc.,
- BofA Securities, Inc.
- Citigroup Global Markets Inc.
- Morgan Stanley & Co. LLC
- Quest Diagnostics Incorporated
Work highlights
- Advised CVS Health Corporation (CVS Health) on its $5 billion bond offering.
- Advised Boston Scientific Corporation on a €2.0 billion registered offering.
- Advised Quest Diagnostics Incorporated in connection with its $1.85 billion registered offering of note.
Lawyers
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head
Ilir Mujalovic
Other key lawyers
Lona Nallengara; Bill Nelson; Taylor Landry; Richard Alsop; Erika Kent; Ilya Mamin; Stella Sun