Tommie O'Brien is the Chief Sales Officer at Semrush, leading global teams across various sales and operations functions. Previously, they served as the Vice President of International Sales at Semrush and held senior sales roles at companies like Coupang, Salesforce, and Oracle, consistently driving significant revenue growth. O'Brien also has experience as a Project Manager at RR Donnelley, managing strategic accounts across Europe. In addition to their professional roles, they are an Advisor at Antler, providing mentorship to early-stage venture teams. O'Brien is pursuing a Master's degree in E-Commerce from Dublin City University while having already earned a Bachelor's degree in Management of Information Systems.