When Tony Xu started DoorDash in 2013, he wanted to help local restaurants stay afloat by introducing them to online delivery. Today, his quest remains the same, now that DoorDash has become an essential business during the COVID-19 pandemic. Marcia Kilgore's footwear brand, FitFlop, is experiencing a downturn in sales as retail stores stay closed. However, Beauty Pie – her direct-to-consumer cosmetics brand – is thriving as the beauty industry goes digital. These conversations are excerpts from our How I Built Resilience series, where Guy talks online with founders and entrepreneurs about how they're navigating these turbulent times.