Al Ries is a marketing professional and author. He is also the co-founder and chairman of the Atlanta-based consulting firm Ries & Ries with his partner and daughter, Laura Ries. Along with Jack Trout, Ries coined the term "positioning", as related to the field of marketing, and authored "Positioning: The Battle For Your Mind", an industry standard on the subject. Wikipedia
The definitive Wikipedia entry for Al Ries. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Al_Ries