Key Takeaways
- • Sidley Austin hired Mayan Katz as a partner in its Emerging Companies and Venture Capital and Global Life Sciences practices, effective July 8, 2026, bolstering the firm's life sciences capabilities on the East Coast.
- • Katz joins from Goodwin Procter LLP, where he was a Corporate partner in the Life Sciences group and led the firm's Israel practice, bringing cross-border transaction expertise to Sidley's platform.
- • His practice focuses on domestic and cross-border M&A, venture capital financings, and strategic transactions across pharmaceutical, medical device, biotechnology, and digital health sectors throughout the corporate lifecycle.
- • Katz has substantial experience advising Israeli and Israeli-founded companies on U.S. and cross-border transactions, representing both buyers and sellers on acquisitions, divestitures, spin-outs, and joint ventures.
- • Sidley Management Committee Chair Yvette Ostolaza characterized the hire as part of a strategic priority to expand the firm's market-leading life sciences capabilities and strengthen East Coast transactional counsel delivery.
Summary
Sidley Austin announced on July 8, 2026, that Mayan Katz has joined its New York office as a partner in the Emerging Companies and Venture Capital and Global Life Sciences practices. The hire represents a strategic expansion of Sidley's life sciences platform, particularly strengthening the firm's East Coast presence in a sector that has become increasingly important to institutional capital allocation.
Katz brings significant transactional credentials from his prior role at Goodwin Procter LLP, where he served as a Corporate partner in the Life Sciences group and led the firm's Israel practice. His expertise spans the full spectrum of corporate transactions relevant to growth-stage and mature life sciences enterprises, including domestic and cross-border M&A, venture capital financings, and complex strategic restructurings.
His practice covers a broad range of life sciences verticals—pharmaceutical, medical device, biotechnology, and digital health—and encompasses the entire corporate lifecycle. Katz advises clients on merger and acquisition strategies including structured transactions, divestitures, spin-outs, and joint ventures, as well as startup formation, venture capital rounds, and general corporate governance matters. A notable distinguishing feature of his background is his deep experience advising Israeli and Israeli-founded companies and investors on U.S. and cross-border transactions, positioning him to serve an investor base with significant international exposure.
According to Yvette Ostolaza, Chair of Sidley's Management Committee, the addition reflects the firm's ongoing strategic commitment to expanding its life sciences capabilities. "Mayan's arrival strengthens our presence on the East Coast," Ostolaza stated, emphasizing that his expertise in sophisticated domestic and cross-border M&A and strategic transactions enhances Sidley's ability to deliver comprehensive counsel to life sciences clients throughout their business lifecycle. The hire signals continued competition among elite law firms for specialized transactional talent in high-growth practice areas serving alternative investment clients and strategic corporates.
Katz brings significant transactional credentials from his prior role at Goodwin Procter LLP, where he served as a Corporate partner in the Life Sciences group and led the firm's Israel practice. His expertise spans the full spectrum of corporate transactions relevant to growth-stage and mature life sciences enterprises, including domestic and cross-border M&A, venture capital financings, and complex strategic restructurings.
His practice covers a broad range of life sciences verticals—pharmaceutical, medical device, biotechnology, and digital health—and encompasses the entire corporate lifecycle. Katz advises clients on merger and acquisition strategies including structured transactions, divestitures, spin-outs, and joint ventures, as well as startup formation, venture capital rounds, and general corporate governance matters. A notable distinguishing feature of his background is his deep experience advising Israeli and Israeli-founded companies and investors on U.S. and cross-border transactions, positioning him to serve an investor base with significant international exposure.
According to Yvette Ostolaza, Chair of Sidley's Management Committee, the addition reflects the firm's ongoing strategic commitment to expanding its life sciences capabilities. "Mayan's arrival strengthens our presence on the East Coast," Ostolaza stated, emphasizing that his expertise in sophisticated domestic and cross-border M&A and strategic transactions enhances Sidley's ability to deliver comprehensive counsel to life sciences clients throughout their business lifecycle. The hire signals continued competition among elite law firms for specialized transactional talent in high-growth practice areas serving alternative investment clients and strategic corporates.
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