Dick Costolo is the co-founder and managing partner at 01 Advisors, a venture capital firm, and former CEO of Twitter. During his tenure at Twitter, he oversaw significant growth in users, revenue, and global influence, as well as the company’s IPO. Costolo has a background in improv comedy, which has shaped his leadership style and communication skills. He has also worked as an entrepreneur and advisor to multiple startups, with a focus on scaling consumer internet businesses. At 01 Advisors, he invests in technology companies and mentors founders.