Michelle You (Author) Michelle You is co-founder and CEO of carbon removal marketplace Supercritical. Michelle is a former venture partner at LocalGlobe, where she focused on climate investments. She's also a repeat entrepreneur. As co-founder of Songkick, she grew the company to over 20 million monthly unique users and raised capital from Y Combinator, Index Ventures and Sequoia before exiting to Warner Music Group in 2017. Michelle is based in London, UK. How to Launch a Tech Start-Up is her first children's book. Sol Linero (Illustrator) Sol is a children's book illustrator and graphic designer from Buenos Aires. Her illustrations are filled with details and beautiful colors focused on children's products like books, puzzles, board books and memory games. Sol has worked for Airbnb, Pottery Barn Kids, Unicef and international magazines such as Oprah, Jamie Oliver, Wired and The Washington Post.