Jeffrey A. Badger, Ph.D.

Ask The Grinding Doc Columnist


Jeffrey A. Badger, Ph.D., is an independent grinding expert. He will be giving his 3-day High Intensity Grinding Course from Sept. 26-28 in Columbia, S.C., hosted by S.L. Munson. Visit for details. He can be reached by phone at 512-934-1857 or via email at