Aside from humbling politicians and exposing them for the (explicative)-heads they are, Stephen, after slipping and shattering his wrist during the taping of his show, has been instrumental in bringing about Wrist Strong Awareness.
Pete Carroll is commonly known for his superb recruiting and coaching ability, but few know about his great humanitarianism. His dedication to A Better LA foundation (http://www.abetterla.org/) has accomplished some great things for the inner-city youth of LA.
Dr Drew and Love Line have been around for as long as I can remember. As a teenager I listened to him all the time, mostly because it was funny, but now in retrospect I really appreciate that Dr Drew was there to talk about the stuff my friends and I couldnt talk about with our parents. The effects of this show may not be tangible in some statistic but I can guarantee you Dr Drew has helped thousands.
JR may be my boss but he has certainly been very influential in my life and how I think. His vision for UGC and how to harness it for the good of the world may seem far-fetch to some but when you hear JR talk and contemplate what he is saying it blows your mind given the endless possibilities and potential.