Sidley announced that Corporate and Securities partner Steven Przesmicki has joined Sidley’s office in San Diego. Mr. Przesmicki joins from Cooley LLP, where he was a partner for the past 25 years.
Mr. Przesmicki’s practice focuses on corporate and securities law, and he regularly serves as outside corporate counsel to public and private companies. He represents clients on SEC and corporate governance matters, private and public financings, mergers and acquisitions, IPOs, and venture capital financings. He also counsels clients on a range of other complex transactions such as debt redemptions, joint ventures, option-exchange tender offers, and strategic commercial transactions.
Mr. Przesmicki represents clients across the technology and life sciences industries, including biotechnology, medical devices, vaccines, diagnostics, gaming equipment technology, consumer and enterprise software, and ecommerce. His client base ranges from start-ups to large public companies.
“Steve brings a substantial corporate and securities practice to Sidley, and he possesses deep experience advising companies at critical stages of growth,” said Yvette Ostolaza, Chair of Sidley’s Management Committee. “Known to many of our partners, he is well positioned to integrate seamlessly with our team and enhance the value we deliver to our clients. His ability to counsel companies through strategic growth initiatives and liquidity opportunities makes him a tremendous asset to our growing practice and collective platform.”
“Steve’s arrival in San Diego reflects our continued investment in serving the region’s most dynamic and high-growth sectors,” said Sharon Flanagan, a member of the firm’s Management Committee and Executive Committee and managing partner of the San Francisco office. “Having worked with start-ups to established public companies, he is a true business partner who assists clients in navigating complex legal and strategic issues across a company’s life cycle.”
Sidley’s Emerging Companies and Venture Capital practice is supported by the firm’s market-leading regulatory capabilities, international platform, and preeminent global M&A and Private Equity practice, which includes more than 650 lawyers advising on public and private transactions across a broad range of industries.
Sidley is an elite global law firm. With approximately 2,300 lawyers and nearly 160 years of experience, they have established a reputation for deploying innovative legal strategies to achieve powerful results for their clients in complex transactional, restructuring, crisis management, investigation, regulatory, and litigation matters.

























