Martin Giffy D’Souza 
Database App Development
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Martin Giffy D’Souza is a co-founder and CTO at ClariFit (, a consulting firm which specializes in Oracle APEX and PL/SQL. Martin’s experience has been focused on developing database-centric web applications using APEX. Prior to co-founding ClariFit Inc., Martin’s career has seen him hold a range of positions within award-winning companies. Martin is the author of the highly recognized blog, which boasts a multitude of posts on a wide array of APEX focused topics. He has authored and co-authored various APEX books including Expert Oracle Application Express. He has also presented at numerous international conferences such as APEXposed, COUG, and ODTUG Kscope, for which he won the Presenter of the Year award in 2011. Martin is a Director for ODTUG and holds a computer engineering degree from Queen’s University in Kingston, Ontario, Canada. You can contact Martin at
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Martin Giffy D’Souza