DLA Piper Strengthens Market-leading Corporate Team With Addition of Partner Josh Seidenfeld in Silicon Valley

PALO ALTO--(BUSINESS WIRE)--DLA Piper has welcomed Josh Seidenfeld as Chair of the firm’s Northern California Corporate and Securities practice. Based in Palo Alto, Seidenfeld serves as a strategic counselor to some of the most innovative life sciences and technology companies, guiding next-generation enterprises across the full corporate life cycle — from seed stage through venture financings, mergers and acquisitions (M&A), and capital markets transactions.

Seidenfeld has led hundreds of financings for high-growth companies at the forefront of biotechnology, AI, therapeutics, pharmaceuticals, climate tech, digital health, medical technology, cybersecurity, and software. He is a trusted advisor on corporate, securities, and transactional matters, helping clients navigate complex business decisions and scale transformative ventures.

Recognized as a market leader, Seidenfeld was named 2025 Venture Capital Attorney of the Year by LMG Life Sciences. His appointment further strengthens DLA Piper’s Northern California Corporate and Securities practice, enhancing the firm’s ability to support innovators and founders driving breakthrough technologies across the US and globally.

“Josh’s deep understanding of the life sciences and technology sectors and his roots in Silicon Valley help clients achieve their corporate finance and M&A goals,” said John Gilluly, US Vice Chair and Head of DLA Piper’s Transactional practices. “He benefits clients who drive leading innovation across industries and geographies.”

“Josh’s arrival underscores why top practitioners choose our platform. We provide unmatched domestic and global resources and a collaborative team who support early and later-stage private companies as well as public company clients through financings, collaborations, M&A, and securities and regulatory matters – at scale and across jurisdictions,” said Andrew Gilbert, US Chair of the firm’s Corporate practice.

Seidenfeld’s addition continues DLA Piper’s growth across the firm’s Corporate, M&A, and Finance practices. In recent months, DLA Piper Partners Viktor Sapezhnikov, Stephanie Yarbrough, Jeff Klein, Tom Levato, and Justin Michael, among several others, have joined the practice, bringing deep market insights and dealmaking acumen across their respective areas.

With more than 1,000 corporate lawyers globally, DLA Piper helps clients execute complex transactions seamlessly while supporting clients across all stages of development. The firm has been rated number one in global M&A volume for 16 consecutive years by Mergermarket and ranked number one in VC, PE, and M&A in combined global deal volume by PitchBook.

DLA Piper’s Emerging Growth and Venture Capital practice includes more than 200 lawyers who provide strategic counsel to emerging companies and venture capital firms in high-growth industries, including technology, healthcare, life sciences, and financial services. Over the last three years, DLA Piper has completed more than 2,100 financings globally, totaling more than US$80 billion. The firm is ranked among the most active global law firms for venture capital deal volume, according to PitchBook.

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