Sonya Erickson

Sonya has more than 30 years of experience counseling emerging growth companies, established technology businesses and venture capital funds. Her clients range from early-stage startups to larger public companies.

Sonya advises clients on a variety of legal and business issues. Her particular focus is in private and public financing, strategic technology transactions, and mergers and acquisitions. Sonya is counsel to public and private companies in a range of industries, including artificial intelligence, digital health, biotechnology, medical technology and enterprise software. In the last 10 years alone, Sonya has worked on 500+ venture capital and private equity transactions, as well as numerous public offerings, M&A structured buyouts, spinoffs and other complex business transactions.

The Best Lawyers in America has listed Sonya in the Venture Capital Law category since 2004. Chambers USA has ranked her as a leading attorney for Corporate/M&A nationwide since 2013 and in Washington state since 2020. Sonya was global chair of Cooley’s business department from 2022 to 2025.