John: To Jenni and William and Michael, thanks for showing me what the mindset of discovery looks like each and every day.

Elena: To my amazing parents Rada and Dimitar for helping me discover the world and to my husband Bryan and son Dimitar for inspiring me to be a better person every day.

Get The Innovative Mindset now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.