Congratulations to Dr. Lucy Joy Wachira who successfully defended her doctoral dissertation titled “Physical Activity, Screen-based Sedentary Behaviour, Dietary Habits and Adiposity of 9 to 11 Year Old School Children in Nairobi County, Kenya” at Kenyatta University in Nairobi Kenya on April 28th. Dr. Wachira was PhD student supervised by Dr. Vincent Onywera and Professor Mark Tremblay.