Dr John Simiyu Tabu holds a master’s degree in General surgery. He is a critical care and trauma surgeon, senior lecturer at the college of health sciences Moi University .He has training in Comprehensive Health care in disaster at Kobe University Japan and senior instructor course Linkoping University Sweden

He served as Head of Emergency services at Kenyatta National Hospital 1998-2004.

 Dr Simiyu is currently Head of Emergency Department at Moi Teaching and Referral Hospital and is a trainer with the ICRC on the Emergency room trauma course ad weapon wounded training of ICTC course since 2008. He has attended training every year of ERTC/War surgery training in Kenya, Tanzania, and Somalia. During the post-election violence 2007-8 that was in Kenya Dr Simiyu the Head of Health and the disaster response with the Red Cross society

Dr Simiyu joined Moi University School of Public Health in 2006 and rose through the ranks to become Senior lecturer at the College of Health Sciences. In 2019 he was posted to the School of Medicine Department of surgery and anesthesiology where he serves currently. He teaches critical care, emergency surgery & trauma care at moi university & moi teaching ad referral hospital

He has supervised and examined many students in diverse fields of Public Health, surgery and Medicine.

He has been actively involved in curriculum development including that of the EAC Interdisciplinary Approach to Pan Prep with One health Approach. He is the disaster focal point at Moi University.

At the national level Dr Simiyu has been on several task Forces and technical working groups developing emergency guidelines and is the Disaster focal point

He has served as Chair/Team leader covid-19 at MTRH to coordinate western Kenya efforts in combating the covid-19 pandemic.

His interest include health systems, emergency surgery and trauma