Most edtech startups are idealistic outfits with little revenue and low valuations, but Rachel Romer Carlson's Guild Education is worth $1 billion and is on track to book $100 million in sales. Her secret? Connecting workers who have tuition benefits to colleges that will gladly pay to meet them
(This story appears in the 14 February, 2020 issue of Forbes India. To visit our Archives, click here.)