Rod Cherkas is the CEO of HelloCCO, a consulting firm that partners with Chief Customer Officers and their leaders to develop, execute and scale their post-sale functions. He previously led post-sale organizations at Gainsight, Marketo, RingCentral and Narvar. In this guide, he outlines the responsibilities and typical growth paths of post-sales functions including services, customer success, support, customer education, customer operations, and partner success.