In his later career as a management consultant and following the invention of the Gantt chart, he designed the 'task and bonus' system of wage payment and additional measurement methods worker efficiency and productivity.
V neskoršej kariére pokračoval ako konzultant manažmentu - vynašiel Ganttov diagram, tiež navrhol systém pre výplatu mzdy 'úlohy a bonus' a ďalšie metódy merania efektivity a produktivity pracovníkov.