We are a small team of enthusiastic community members that love to share.

Liron Amitzi
Roles | Core team. Mentor. |
Tech | Oracle DBA since 1998 Consultant since 2002 Specializes in database infrastructure and development |
Speaker | Instructing courses since 2004 speaking at international conferences such as ODTUG KScope, Oracle Open World and many local Oracle User Group events. |
Community | President of BCOUG since 2017 Board member of ilOUG (2012-2015) blogger |
Hobbies | Family vacations, travel around the world, and skiing. |
Location | Vancouver, BC, Canada |
Links | Website |
Mirela Ardelean
Roles | Core team. Mentor. |
Tech | Oracle Developer (PL/SQL, Forms and Reports) since 1999 APEX developer since 2009 |
Speaker | Speaking since 2015, first at local user group events, then for students, as part of Oracle Academy Program, then at UKOUG |
Community | Vice-President of RoOUG since 2012 board member of EOUC since 2019 event organizer since 2012 volunteering since 2014 |
Hobbies | Traveling, reading, hiking |
Location | Bucharest, Romania |
Links | Twitter |


Neil Chandler
Roles | Core team. Mentor. |
Tech | Working in IT since 1988, and using Relational Database Technology, primarily Oracle on *nix, since 1991 |
Speaker | Speaking at International IT Conferences since 2012, such as UK Oracle User Group (UKOUG) and Oracle Open World, and at conferences and meet-ups at in… Germany, UK, Poland, USA, Bulgaria, Norway, Croatia, Israel, Ireland, Scotland, Slovenia, Italy, Spain, Latvia and India (so far, sorry if I missed your conference out) |
Community | UKOUG Board Member. Volunteering with the UKOUG since 2005 |
Hobbies | Travel and Music |
Location | London, England |
Links | Blog |
Kim Berg Hansen
Roles | Core team. Mentor. |
Tech | Developer since 1996 – Oracle SQL & PL/SQL since 2000. Expert in making SQL do anything. Author of “Practical Oracle SQL”, 2020. |
Speaker | Speaking since 2012 at ODTUG Kscope, POUG, OUGN, DOAG, UKOUG and more. Webinars and virtual conferences since 2016. |
Community | ODTUG member since 2010, volunteer abstract reviewer and track lead. Quiz author at Oracle Dev Gym. Blogger and sometimes article author. |
Hobbies | Cooking, sci-fi and card-carrying member of Danish Beer Enthusiasts. |
Location | Middelfart, Denmark. |
Links | Blog |


Samuel Nitsche
Roles | Core team. Mentor. |
Tech | Developer since 2002 (from Flash/Flex via PHP to Java and PL/SQL) Main contributor utPLSQL since 2018 Licensed trainer (Fachinformatik) since 2019 |
Speaker | First public talk at DOAG 2018 Numerous talks, workshops and keynotes at meetups and conferences since then (Agile Testing Days, ApexConnect, DOAG, KScope, Ministry of Testing and many more), with and without Sith robes |
Community | Abstract reviewer Blogger Code Reading and Book Club facilitator Open Source maintainer |
Hobbies | Public Speaking (I’m honest, one of my most favorite hobbies), Gaming (when I have time), Family, reading, dog training |
Location | At the edge of the Black Forest, Germany |
Links | Website Fediverse |

Jim Czuprynski
Roles | Mentor. |
Tech | Oracle DBA since 2001 APEX developer since 2018 |
Speaker | Spoke first at Oracle OpenWorld 2011; since then, at AIOUG, COLLABORATE, DOaG, KSCOPE, POUG, SPOUG, UKOUG, and numerous local OUGs in North America. I’ve also spoken during Oracle Technology Network / ACE Tours at international conferences in Japan, New Zealand, North Africa / EMEA, Scandinavia, and South America |
Community | ODTUG Board of Directors member since 2021 |
Hobbies | Traveling, nordic/XC skiing, cycling, martial arts, writing (co-authored 4 books on Oracle technology) |
Location | Bartlett, IL, USA (basically … Chicago) |
Links | Twitter |
Lino Schildenfeld
Roles | Mentor. |
Tech | Oracle Developer since 2006, Consultant since 2010 Specializes in anything to do with Oracle APEX (3.1 – 22.2) |
Speaker | Instructing courses since 2015 Speaker at ODTUG KScope, APEX Alpe Adria, APEX World, APEX Connect and many other local Oracle User Group events. |
Community | Committee member of AUSOUG since 2016 AUSOUG Conference organizer Orclapex-nz meetup organizer Blogger |
Hobbies | Travelling, trekking and tennis |
Location | Australia, New Zealand and Europe |
Links | Twitter Blog |


Lena Wiberg
Roles | Mentor. |
Tech | Building software since 1999. First decade as a developer, then a number of years working on improving quality (from solo tester to building up test organizations), and since 2017 focusing on building people and organizations as a manager. Mentor since 2014, specifically on public speaking since 2018/2019 |
Speaker | Speaking since 2016/2017. International keynote speaker on anything software quality or leadership |
Community | Blogger Author Abstract reviewer Program chair Program committee for a number of conferences in the dev and testing communities |
Hobbies | Fantasy/Sci-fi, sewing/embroidery, Games (anything electronic) |
Location | Stockholm, Sweden |
Links | Twitter |
