Ron Cody, EdD, a retired professor from the Robert Wood Johnson Medical School now works as a private consultant and a national instructor for SAS Institute Inc. A SAS user since 1977, Ron's extensive knowledge and innovative style have made him a popular presenter at local, regional, and national SAS conferences. He has authored or co-authored numerous books, including Learning SAS by Example: A Programmer's Guide, and, An Introduction to SAS University Edition; as well as countless articles in medical and scientific journals.