The branch proponent is the commandant or the chief of a branch of the Army with execution of training, leader development, education, and personnel responsibilities for their designated branch. Branch proponents support the role of the force modernization proponent and may change as the Army transforms. AR 5-22

 

The key difference—force modernization proponents are responsible for developing DOTMLPF–P requirements; branch proponents support force modernization proponents in developing those requirements and executing approved training, leadership and education, and personnel programs.