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Joanna Black

General Counsel

Joanna joined Madrona in 2022 and serves as the firm’s General Counsel. In her role, Joanna manages the legal process for all portfolio company investment events and works to connect in-house legal professionals at startup companies in the Pacific Northwest, both within and outside the portfolio.

Past Lives

Joanna brings 25+ years of working with public and venture-backed companies in the software, technology, and biotechnology industries. Her experience spans a broad range of legal matters including corporate governance, contract drafting and review, strategic counseling, venture capital financing, risk mitigation, and intellectual property licensing. Joanna was most recently a partner at Adkins Black, LLP where she represented and advised biotechnology, software, entertainment, and startup companies on various legal matters. She was also formerly Vice President and General Counsel of Xcyte Therapies, Inc., a public biotechnology company. Joanna started her career in venture helping to build  Venture Law Group in Seattle and serving as an attorney with Wilson Sonsini in Palo Alto. Over the course of her career,she has advised and worked on numerous financings, IPOs and M&A transactions.


In her personal time, Joanna enjoys doing crossword and jigsaw puzzles, listening to podcasts, and spending time with her family.


Joanna received her bachelor’s degree in Economics and Public Policy from Stanford University. She earned her law degree from Columbia University School of Law.