The son of Elekwachi and Prisca Kalu, Joshua was born on Aug. 28, 1995. He is a child, youth and family studies major, and was an Academic All-Big Ten choice in 2015. Kalu has been honored for his community outreach work with spots on the Brook Berringer and Tom Osborne Citizenship teams the past two years. He has volunteered his time with Make-A-Wish, NFL Fuel Up to Play 60, the Souper Bowl of Caring, as well as local hospital and rec center outreach events.