Education Ronald Jeffrey Barr Posted by Who's Who Site Administrator on September 19, 2017September 16, 2019 Title: Professor Emeritus Company: University of California Industry: Education Years in industry: 47 Years affiliated with Marquis Who’s Who: 21 Contact Ronald Jeffrey Barr: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...