Kamau transitioned into his post-football career by founding PlaymakerU which trained young athletes in many sports but especially football. Based in Sherwood Park, Alberta he operated out of a new facility there. Peterson entered into coaching in 2012, serving as receivers coach on Team Canada's Jr. National (U19) Team from 2012 through 2016, earning 2 golds and a silver medal in world championship play. (Texas 2012, Kuwait 2014, Harbin 2016) From there he joined the York University football staff as receivers coach and assistant OC in 2014, taking over as offensive coordinator from 2017 through 2019 before moving on from York in 2020. During his time at York, Peterson spearheaded the resurgence of the York Offence, as well as served as their strength and conditioning coach.