As a partner in the firm’s M&A group, Ro focuses on cutting-edge technology and biotech transactions, and he has guided his clients through high-stakes public and private mergers & acquisitions, venture capital financings, and securities offerings representing an aggregate value of more than $260 billion. He’s also one of the go-to M&A advisers for complex cross-border transactions in these areas. In recent years, Ro led the Cooley team advising Horizon Therapeutics on its $28.3 billion sale to Amgen, which was the largest healthcare deal of 2022 and the third-largest all-cash healthcare deal in history. Ro also led the Cooley team advising Japanese payments platform Paidy on its $2.7 billion sale to PayPal, which was named M&A Deal of the Year at the International Financial Law Review’s 2022 Asia-Pacific Awards.

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  • CinCor Pharma to Sell to AstraZeneca for Approximately $1.8 Billion 

  • Horizon Therapeutics to Be Acquired by Amgen for Approximately $28 Billion 

  • Digital Shadows Agrees to Sell to ReliaQuest 

  • Biotech Company ViaCyte to Be Acquired by Vertex Pharmaceuticals 

  • Bristol Myers Squibb to Acquire Turning Point Therapeutics for $4.1 Billion 

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  • University of Pennsylvania Law School

  • The Wharton School of the University of Pennsylvania
    Wharton Business and Law Certificate

  • Seoul National University School of Law

Admissions & Credentials


New York