And now, PEOPLE can exclusively reveal the cover of the first book in the series, from Newbery Medal-winning author Erin ...

Erin Kelly is a writer, triathlete and RRCA-certified Level 1 running coach living in New York City. Her talents include waking up insanely early for The Rise NYC, running long distances ...

Erin Kelly is CEO of data science firm Advanced Symbolics, which specializes in Predictive Modeling. She is also an active member with the Young Presidents Organization (YPO), an association for ...