To manage distributed testing teams effectively, it's essential to establish clear goals, conduct regular meetings, and foster constant communication among team members. This can be achieved by utilizing cloud-based Selenium Grid for test automation, daily and weekly standups, informing employees about their tasks, setting realistic expectations, trusting your team while checking in from time to time, agreeing on time boundaries, offering self-sufficiency, knowing your team members personally, ensuring all teams are informed about project details, and using a testing platform to manage testing efforts. By implementing these strategies, team leaders can overcome the challenges of managing distributed testing teams and achieve better efficiency and productivity.