CARLSBAD, Calif., July 20, 2007 (PRIME NEWSWIRE) -- Alphatec Holdings, Inc. (Nasdaq:ATEC), a leading medical device company focused on the design, development, manufacturing and marketing of products for the surgical treatment of spine disorders, announced today that Mortimer Berkowitz III was appointed to serve as Alphatec’s Chairman of the Board of Directors. Mr. Berkowitz has served as a member of Alphatec’s Board of Directors since July 2005. John H. Foster, the previous Chairman of the Board of Directors, will remain a member of Alphatec’s Board of Directors.