Geoffrey Kirui currently serves as the Vice Chairman of the Adhoc Committee for the County Government of Uasin Gishu, focusing on evaluating the Municipality of Eldoret for city classification. Since 2011, Geoffrey Kirui has been involved with I Choose Life - Africa as both Programs Coordinator and Program Manager. Additionally, since 2020, Geoffrey Kirui holds the position of Assistant Governor for Western Zone E at Rotary International. Previous roles include Policy Analyst at South Consulting Africa, Research Assistant at AMPATH Kenya, and Trainer/Facilitator with United Nations Volunteers. Geoffrey Kirui holds a Master of Arts in Sociology from Moi University, a Diploma in Project Management from the Kenya Institute Management, and a Bachelor of Arts in Sociology from Moi University.