Charles David Waghmare worked as Global Yammer Community Manager from 2011 until mid-2018 with Capgemini. Previously he was Community Manager of SAP-based communities at ATOS where he managed communities using TechnoWeb 2.0 – a Yammer-like platform. In this Communities of Practice (CoP) initiative, Charles was also responsible for managing community sites built in SharePoint. Further, at ATOS, Charles was global rollout manager for a structured document-management system built in SharePoint.