Axel vom Stein started out as a PL/SQL developer after his studies in mathematics. His interest moved more towards DBA topics and so his main focus is on Oracle Database Core Technologies (RAC, Data Guard, ...). With more than 20 years experience in the field of Oracle Database he likes to share his knowledge and teaching apprentices and young professionals. He is a speaker at national and international conferences like COLLABORATE, ASCEND, POUG, HROUG, UKOUG and the DOAG annual conferences. Axel is a board member of the German Oracle Database Community "ora2know" (https://www.ora2know.de) and frequently co-organises community events.