Alex Nuijten is a director at allAPEX, a company specializing in Oracle database development with PL/SQL and Oracle Application Express (APEX). Besides his consultancy work, he conducts training classes, mainly in APEX, SQL and PL/SQL. Alex has been a speaker at numerous international conferences, such as ODTUG, Oracle Open World, UKOUG, IOUG, OUGF, BGOUG, OGH APEX World and OBUG. For his presentations, Alex received several Best Speaker awards. Alex has written many articles in Oracle-related magazines, and he regularly writes about Oracle Application Express and Oracle database development on his blog "Notes on Oracle" (nuijten.blogspot.com). Alex is co-author of the book “Oracle APEX Best Practices” (Packt Publishers), “Real World SQL and PL/SQL” (Oracle Press) and "Modern Oracle Database Programming (Apress). Because of his contributions to the Oracle community, Alex was awarded the Oracle ACE Director award in August 2010.