Imagine if time-strapped doctors had instant access to all records by turning on their phones. Bot MD, the brainchild of Dorothea Koh, integrates medical information normally spread across multiple systems, giving physicians rapid and reliable access. Bot MD grew from having 20 to 5,000 users in just two years, and during the Covid-19 pandemic monitored the vital signs of more than 3,600 migrant workers.