Peter Koletzke is a technical director and principal instructor for the Enterprise E-Commerce Solutions practice at Quovera. He has over twenty-seven years of industry experience and has presented at various Oracle users group conferences more than 290 times. Additionally, he has won awards such as Pinnacle Publishing's Technical Achievement, Oracle Development Tools User Group Editor's Choice (twice), ODTUG Best Speaker, NY Oracle Users Group Editor's Choice (three times), East Coast Oracle/Southeastern Oracle Users Conference Oracle Designer Award, and the Oracle Development Tools User Group Volunteer of the Year. Peter is an Oracle ACE Director, an Oracle Certified Master and coauthor -- variously with Duncan Mills, Avrom Roy-Faderman, and Dr. Paul Dorsey -- of the Oracle Press (McGraw-Hill Professional) books: Oracle JDeveloper 11g Handbook, Oracle JDeveloper 10g for Forms & PL/SQL Developers, Oracle JDeveloper 10g Handbook,Oracle9i JDeveloper Handbook, Oracle JDeveloper 3 Handbook, Oracle Developer Advanced Forms and Reports, Oracle Designer Handbook, 2nd Edition, and The Oracle Designer/2000 Handbook.