Joel is the Vice President of Software Development at Oracle America, Inc., managing the development and product management of Application Express (APEX). He started working with Oracle Database in 1992 and joined Oracle in 1996. Joel's passion is to make customers extraordinarily successful with the Oracle Database, SQL and Oracle Application Express (APEX). He is a proud alumnus of The Ohio State University, College of Engineering, with a Bachelor's degree in Computer Engineering.

Marc Sewtz is a Senior Software Development Manager at Oracle Corporation in New York City. With over 20 years of industry experience, Marc held roles in Consulting, Sales and Product Development. Today he manages a global team of Software Developers and Product Managers working on the development of Oracle Application Express (APEX), Oracle's premier Low Code development platform for building responsive applications on Oracle Database. Marc frequently presents at international conferences, such as Oracle Open World, ODTUG Kscope, UKOUG, DOAG, APEX Connect, and Oracle Code. Marc has a Master's degree in Computer Science from the University of Applied Sciences in Wedel, Germany.

David joined Oracle in 1993. He spent the first 13 years within Oracle Consulting in Australia, New Zealand, and the United States. In 2006, he joined the Product Development team as the Oracle Application Express (APEX) Product Manager. He presents at many conferences around the world including Oracle Openworld, ODTUG KScope, OGh APEX World, DOAG and UKOUG.