Joel Kallman, Senior Director, Software Development
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.
Marc Sewtz, Senior Software Development Manager
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.
Chaitanya Koratamaddi, Senior Principal Product Manager, Oracle Application Express - Database Tools | Server Technologies
Chaitanya is a Senior Principal Product Manager for Oracle Application Express. Chaitanya has extensive knowledge and experience on various Oracle technologies such as Oracle Application Express, Oracle SQL Developer, SQL Developer Data Modeler, Oracle Database, Oracle XML DB, Oracle Database XE, Oracle Database Vault, Oracle REST Data Services, and Oracle Fusion Middleware. Chaitanya is a regular speaker at various global conferences like Oracle Open World, OTN Yathra, Oracle Code, Oracle Develop, Oracle Cloud World, OTN Developer Days, ODTUG, JavaOne, AIOUG Tech Days, Sangam, and other user groups. Chaitanya writes his technical blog @ http://chaitanyain.blogspot.com/.