Andrew Wigmore, Teams Product Owner at defence contractor BAE Systems, shares insights from his 40-year career and the company's journey to Microsoft Teams and the cloud. • Migrating 45,000 phone numbers from Skype for Business to Microsoft Teams in a single morning • Managing 65,000 E5 users and doing over a third of a billion minutes of Teams audio annually • The cultural shift from on-premises infrastructure to evergreen cloud services at a defence company • Rolling out Microsoft Teams...