kenya's athletics federation has suspended the agents of marathon world record holder dennis kimetto and other top stars while it investigates the spike in doping among the country's runners athletics kenya president isaiah kiplagat announced the decision monday to suspend two athlete management companies, the netherlands' volare sports and italy's rosa & associati ak did not make accusations against the companies, but said they would be suspended from working in kenya for six months so that investigations can be carried out marathon world record holder dennis kimetto has seen his agent banned ahead of doping investigations  rosa & associati client rita jeptoo was banned for two years after testing positive for epo  kenyan authorities have previously blamed the rise in doping on the influence of foreign agents rosa & associati represented women's marathon star rita jeptoo, who was banned for two years for the banned blood booster epo volare sports' clients include kimetto and former marathon record holder wilson kipsang london marathon 2014 winner wilson kipsang is also a client of dutch management company volare sports 
dennis kimetto volare sports six months kenya rosa & associati
kenya's athletic federation has banned runners' agents for six months  marathon world record holder dennis kimetto is a client of one of two banned management companies    volare sports and rosa & associati  investigations into a doping spike among runners is set to take place 