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The Team

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

Liron Amitzi

RolesCore team. Mentor.
TechOracle DBA since 1998
Consultant since 2002
Specializes in database infrastructure and development
SpeakerInstructing courses since 2004
speaking at international conferences such as ODTUG KScope,
Oracle Open World and many local Oracle User Group events.
CommunityPresident of BCOUG since 2017
Board member of ilOUG (2012-2015)
HobbiesFamily vacations, travel around the world, and skiing.
LocationVancouver, BC, Canada

Mirela Ardelean

RolesCore team. Mentor.
TechOracle Developer (PL/SQL, Forms and Reports) since 1999
APEX developer since 2009
SpeakerSpeaking since 2015, first at local user group events,
then for students, as part of Oracle Academy Program, then at UKOUG
CommunityVice-President of RoOUG since 2012
board member of EOUC since 2019
event organizer since 2012
volunteering since 2014
HobbiesTraveling, reading, hiking
LocationBucharest, Romania

Neil Chandler

RolesCore team. Mentor.
TechWorking in IT since 1988, and using Relational Database Technology,
primarily Oracle on *nix, since 1991
SpeakerSpeaking 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)
CommunityUKOUG Board Member. Volunteering with the UKOUG since 2005
HobbiesTravel and Music
LocationLondon, England

Jim Czuprynski

TechOracle DBA since 2001
APEX developer since 2018
SpeakerSpoke 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
CommunityODTUG Board of Directors member since 2021
HobbiesTraveling, nordic/XC skiing, cycling, martial arts, writing (co-authored 4 books on Oracle technology)
LocationBartlett, IL, USA (basically … Chicago)

Kim Berg Hansen

RolesCore team. Mentor.
TechDeveloper since 1996 – Oracle SQL & PL/SQL since 2000.
Expert in making SQL do anything. Author of “Practical Oracle SQL”, 2020.
SpeakerSpeaking since 2012 at ODTUG Kscope, POUG, OUGN, DOAG, UKOUG and more.
Webinars and virtual conferences since 2016.
CommunityODTUG member since 2010, volunteer abstract reviewer and track lead.
Quiz author at Oracle Dev Gym. Blogger and sometimes article author.
HobbiesCooking, sci-fi and card-carrying member of Danish Beer Enthusiasts.
LocationMiddelfart, Denmark.

Samuel Nitsche

RolesCore team. Mentor.
TechDeveloper since 2002 (from Flash/Flex via PHP to Java and PL/SQL)
Main contributor utPLSQL since 2018
Licensed trainer (Fachinformatik) since 2019
SpeakerFirst public talk at DOAG 2018
Numerous talks at a range of Oracle and non Oracle events since then, with and without Sith robes
CommunityAbstract reviewer
HobbiesGaming (when I have time), Family, reading, dog training
LocationAt the edge of the Black Forest, Germany

Erik van Roon

RolesCore team. Mentor.
TechOracle Developer since 1995, classic tools (forms, reports, designer, the database)
Became more and more specialized in database development (SQL, PLSQL) over the years
Lots of experience with data (data!! not database) migrations.
SpeakerSpeaking at international conferences since 2014 for ODTUG KScope, POUG, BGOUG, nlOUG, ILOUG, DOAG ApexConnect, SOUG, AOUG, UKOUG
Webinars since early 2020 for ODTUG KScope, LUXOUG, SIOUG, ProHuddle, Groundbreakers EMEA
CommunityMember of nlOUG, ODTUG, UKOUG.
Started blogging recently (end of 2020).
Abstract reviewer.
Try to help out whenever I can.
HobbiesMostly things that have to do with my computer. Love to see other countries and meet new people and cultures.
Reading. In 2020 I picked up building Lego again, to spend some time away from the keyboard.
For years now I have been planning to start making cheese, but didn’t manage to start yet. Someday….
LocationCulemborg, The Netherlands
Twitter (mostly oracle related)
Facebook (mostly not Oracle related, I hope you like cats)

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