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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

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, 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
CommunityAbstract reviewer
Code Reading and Book Club facilitator
Open Source maintainer
HobbiesPublic Speaking (I’m honest, one of my most favorite hobbies), Gaming (when I have time), Family, reading, dog training
LocationAt the edge of the Black Forest, Germany

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)

Lino Schildenfeld

TechOracle Developer since 2006, Consultant since 2010
Specializes in anything to do with Oracle APEX (3.1 – 22.2)
SpeakerInstructing courses since 2015
Speaker at ODTUG KScope, APEX Alpe Adria, APEX World, APEX Connect and many other local Oracle User Group events.
CommunityCommittee member of AUSOUG since 2016
AUSOUG Conference organizer
Orclapex-nz meetup organizer
HobbiesTravelling, trekking and tennis
LocationAustralia, New Zealand and Europe

Lena Wiberg

TechBuilding 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
SpeakerSpeaking since 2016/2017. International keynote speaker on anything software quality or leadership
Abstract reviewer
Program chair
Program committee for a number of conferences in the dev and testing communities
HobbiesFantasy/Sci-fi, sewing/embroidery, Games (anything electronic)
LocationStockholm, Sweden

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