Bill Pribyl, author, teacher, and software consultant,is the primary author of Learning Oracle PL/SQL and the coauthor of Oracle PL/SQL Programming and its companion pocket reference, all published by O'Reilly & Associates. An Oracle user since 1986, Bill has consulted on many aspects of using Oracle products. He recently spearheaded PLNet.org, a Web-based repository where developers can share open source PL/SQL.
Steven Feuerstein is considered one of the world's leading experts on the Oracle PL/SQL language. He is the author or coauthor of Oracle PL/SQL Programming, Oracle PL/SQL Best Practices, Oracle PL/SQL Programming: Guide to Oracle8i Features, Oracle PL/SQL Developer's Workbook, Oracle Built-in Packages, Advanced Oracle PL/SQL Programming with Packages, and several pocket reference books (all from O'Reilly & Associates). Steven is a Senior Technology Advisor with Quest Software, has been developing software since 1980, and worked for Oracle Corporation from 1987 to 1992.