LAWYER PROFILE
Nader A Mousavi

Nader A Mousavi

USA 2026

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Ranked in 2 practice areas

About

Provided by Sullivan & Cromwell LLP

USA

Practice Areas

Intellectual Property & Technology Transactions, Artificial Intelligence, Digital Infrastructure, Healthcare & Life Sciences, Technology

Career

Recognized as a 2024 “Dealmaker of the Year” by The American Lawyer, the 2023 “Attorney of the Year” by The Recorder and as a Band 1 practitioner in California Technology and Nationwide Artificial Intelligence by Chambers USA, Nader is widely regarded as one of the world’s leading technology deal lawyers and one of the foremost advisors in artificial intelligence.

For more than 25 years, Nader has served as a strategic advisor to clients at the forefront of major breakthroughs in technology and human health. Today, Nader is the leading practitioner globally on high-stakes AI and digital infrastructure transactions, having advised on AI compute transactions valued well in excess of $1 trillion.

Nader has led the representation of OpenAI in its strategic partnerships, including in its groundbreaking transactions with Amazon (including 2 gigawatts of Trainium capacity), AMD (for 6 gigawatts of GPUs), Cerebras (for 750 megawatts of ultra-low latency compute), CoreWeave (for over $22 billion of compute), Google Cloud, Microsoft (including their 2023, 2025 and 2026 agreements), Oracle (for 4.5 gigawatts of compute), SB Energy (for development of multi-gigawatt AI datacenter campuses), and SoftBank Group (in a joint venture to deploy Advanced Enterprise AI in Japan). Nader also serves as lead counsel to Broadcom in its strategic AI compute initiatives, including in transactions with Anthropic and Google (for 3.5 gigawatts of TPU-based capacity, as well as $21 billion of Google TPU chips), Meta (for more than 1 gigawatt of Meta AI accelerator capacity), and OpenAI (for 10 gigawatts of customer AI accelerator capacity).

In addition to extensive experience in AI and AI infrastructure, he advises clients across a wide range of industries on the adoption, implementation and governance of AI. Nader also advised the Massachusetts Institute of Technology (MIT) on the formation of the Broad Institute and UCLA on the formation of the California Institute for Immunology and Immunotherapy (CIII).

As co-head of Sullivan & Cromwell’s Technology Group, the Firm’s IP and Technology Group, the Firm’s AI Practice and the Firm’s Digital Infrastructure Practice, Nader brings extensive experience guiding industry leaders, innovators and investors on transformative transactions driven by technology and intellectual property, including collaborations, joint ventures, acquisitions, divestitures, licenses, strategic supply and settlements. Nader also serves as Co-Managing Partner of the Firm’s Palo Alto office.

Nader serves on the Advisory Council of the Stanford Institute for Human-Centered AI (HAI), the world’s leading institute for the advancement of AI research, education, policy and practice. He has been a Lecturer in Law at Stanford Law School since 2016, where he teaches a popular course on the Business and Law of Technology and Patent Licensing. He also serves on the Board of Visitors for Stanford Law School and is a recipient of the Governors’ Award for outstanding service to Stanford University. Earlier in his career, he served as the general counsel of a fast-growth company through its acquisition. During his undergraduate studies at UCLA, Nader studied abroad at the University of Bologna for a full academic year.

Personal

Stanford Law (JD, 1997); UCLA (BA, 1993).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Technology - California

Band 1
Band 1

Individual Editorial
Nader Mousavi is noted for his skilled handling of high-value technology transactions, as well as patent agreements. He also advises clients on a wide range of technology- and IP-related matters in the context of M&A and capital markets deals.

Artificial Intelligence: Corporate/Commercial - USA - Nationwide

Band 1
Band 1

Individual Editorial

Nader Mousavi is highly regarded for his sophisticated technology transactions advice. He has impressive recent experience advising leading AI companies on their most significant deals and partnerships.

Technology - USA - Nationwide

Band 2
Band 2

Individual Editorial
Nader Mousavi of Sullivan & Cromwell LLP is experienced in advising on technology transactions, including M&A, the licensing of IP, data and software, and joint ventures. His practice runs the gamut of new technologies, from autonomous vehicles and AI to cryptocurrency.

Strengths

Provided by Chambers

  • Nader is a strong practitioner. He is phenomenal.

    TechnologyChambers Guide to the USA
  • Nader has strong attention to detail, willingness to go above and beyond and commitment to us as a company has been stellar.

    Artificial Intelligence: Corporate/CommercialChambers Guide to the USA
  • Nader has an exceptional ability to have the other side like him. He never ticks them off and he earns their respect and trust by not trying to win every point.

    Artificial Intelligence: Corporate/CommercialChambers Guide to the USA

Ranked Individuals at Sullivan & Cromwell LLP (144)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

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