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.
Carsten Czarski, Consulting Member of Technical Staff
   
Carsten Czarski is a member of the Oracle APEX development team, focusing on REST-related features, data loading and the Calendar component. He's also a pro on Oracle Spatial, Oracle Text, and JSON and XML functionality in the database.
Honglei.x.Zhu, Principal Member of Technical Staff
Honglei Zhu joined Oracle Spatial/Maps team in 2011. As a developer, he has worked on developing the map visualization server, client map API, and Spatial Studio. Prior to joining Oracle, he spent more than a decade on research and software development in remote sensing image processing, pattern recognition, and spatial analysis. He has published peer reviewed research papers and filed patents in these areas.