Leadership Home › Forums › Leadership and Management › Leadership This topic contains 0 replies, has 1 voice, and was last updated by Dr. Phuong Le Callaway, PhD 4 years, 3 months ago. Author Posts November 22, 2012 at 11:13 pm #173564 Dr. Phuong Le Callaway, PhDParticipant Which power and authority do you think you possess? I am giving you three types: position power, expertise power, and personal power. Which power is crucial to build long-lasting influence? and Why? Author Posts You must be logged in to reply to this topic.