Mary O'Brien is an associate in the technology transactions practice in Wilson Sonsini Goodrich & Rosati’s Palo Alto office. She focuses her practice on intellectual property, licensing, and commercial transactions. Her practice covers a wide range of activities related to the commercialization of technology, such as strategic commercial transactions, financings, and mergers and acquisitions.

Mary has advised clients ranging from cutting edge start-ups all the way to leading global enterprises across a wide range of technology-focused industries, including video games, digital health, artificial intelligence, software, SaaS, digital entertainment, consumer internet and mobile apps, and smart home devices.

Additionally, Mary provides counsel for numerous pro bono clients including asylum cases, U-Visas, food sustainability, and women empowerment. She has received the John Wilson award, given to attorneys who demonstrate a sustained commitment to the firm's pro bono clients and handle significant responsibility on pro bono matters.

Mary leads and hosts the firm's electronic gaming group's podcast where she interviews attorneys of the firm about issues arising in the gaming industry.

In law school, Mary was the co-founder of the First Generation Professionals, and she advised a variety of corporate clients as part of the University of Chicago Corporate Lab.