Venrock partner Brian Ascher speaks with Randy Womack, a seasoned executive who has served as both COO and CEO in several companies, including his current role as co-founder and CEO at They discuss the “Sheryl” effect, what to look for when hiring a COO, and when is the best time to introduce the COO role into a company. As CEO at, he shares the difference between the two roles and discusses common misconceptions about what a COO really does.