Twenty-four-year-old Brian Liou was a little nervous. But he had to focus. His turn was next. Liou is the cofounder of Leada, a startup to help businesses train better data analysts, and he had a lot riding on this. After all, his company had just pivoted two weeks ago. So, no pressure.
Image: The Y Combinator partners at the program's summer 2015 demo day Image Credit: Ken Yeung/VentureBeat
