Joel is the Senior Director 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.

Doug Gault is a Consulting Member of Technical staff at Oracle and works on the Application Express core development team. Doug has written several books on Oracle APEX (published by APRESS Media) and his areas expertise include the Oracle REST Data Services and the APEX REST Services console.

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.