Dick Costolo brings an unusual background as a former improv comedian at Second City who became Twitter's CEO and scaled the company from $0 to over $2B in annual revenue, now applying improv principles like listen first and yes-and to coach portfolio CEOs on communication and culture building. At 01 Advisors, he focuses specifically on companies that have found product-market fit and need help scaling go-to-market and leadership in the late Series A to early Series B stage, drawing from his experience running a real-time, everyone-watching platform to help founders stay calm and make disciplined decisions under public scrutiny. Dick Costolo brings an unusual background as a former improv comedian at Second City who became Twitter's CEO and scaled the company from $0 to over $2B in annual revenue, now applying improv principles like listen first and yes-and to coach portfolio CEOs on communication and culture building. At 01 Advisors, he focuses specifically on companies that have found product-market fit and need help scaling go-to-market and leadership in the late Series A to early Series B stage, drawing from his experience running a real-time, everyone-watching platform to help founders stay calm and make disciplined decisions under public scrutiny.