Dr. Colleen Russo Johnson is a developmental psychologist with an expertise in children's media, technology, learning, and play. Dr. Russo Johnson is the Co-founder and Chief Scientist of The OK Company, makers of the "OK Play" app. Additionally, she is an adjunct professor at Ryerson University, the Co-Director of the Ryerson Children’s Media Lab, and a senior scholar for UCLA’s Center for Scholars and Storytellers. She is the senior research advisor to Sinking Ship Entertainment, and co-author of the bestselling children's book, "Dino Dana’s Field Guide". She is the proud mom to Ripley (age 3) and Rex (age 2), as well as two large, energetic dogs!