Abstract: This study sought to determine whether leadership style, remuneration, promotion, training and work environment influence retention of health workers in the public sector. A cross sectional survey of the health workers was conducted in Kenyatta National Hospital. A total of 400 questionnaires were distributed to the respondents. Multistage sampling was adopted in which case stratified sampling was used in the first stage to ensure all categories of health workers are represented. Simple random sampling was used in the second stage. Participants from the Focus Group discussion groups were drawn from the five distinct categories of health workers as classified by World health organization.