Andreessen has served on the boards of directors of numerous prominent companies, including eBay, Hewlett-Packard, and Facebook. These roles demonstrate his expertise in guiding and scaling technology businesses.

Andreessen continues to serve on the boards of several companies, leveraging his experience and insights to help them achieve their goals.

Beyond board memberships, Andreessen frequently serves as an advisor to various startups and technology organizations, providing guidance on strategy, product development, and market positioning.