Konrad `ktoso` Malawskifounded: GDGKraków, Lambda Lounge Kraków, Kraków Scalaleading: SCKRK, PolishJUG, GeeCON, GeeCON 4 Kidsday job: jvm performance and distributed systems – Akka @ Lightbend

Kraków Communities a few years ago

Kraków Communities recently

PolishJUG / GeeCON:Adrian Nowak, Andrzej Grzesik, Marcin Gadamer, Jakub Dżon, Tomasz Borek

SCKRK: Adam Pohorecki, Marcin Kostrzewa, Łukasz Dubiel, Łukasz Jachym

Lambda Lounge:Adam Szlachta, Tomasz Borek; Michał Herda (kraklisp) (!)

Kraków Scala:Rafał Pokrywka, Krzysztof Romanowski, Michał Pociecha

GDG: Lidia & Mateusz Herych, Konrad Dzwinel, Michał Bryś, dos ;-)

Credit where it’s due (+ anyone I forgot to add)

GDGKrakówGTUG :-)

Kicked off as GTUG, later renamed.Spawned Frontend / Go / Business spin-offs.

Founded: ~2011Members: 1200+Actively looking for fresh blood if you’d like to help out!Past meetups: 60+ and a few conferences

http://gdgkrakow.pl

Meetings around Scala and distributed systems.Increasingly popular and in high demand recently :-)

Founded: Feb 2013Members: 520Past meetups: 49Upcoming meetup: 20th Jun

http://krakowscala.pl

Polish Java User Group

http://java.pl & http://meetup.java.pl

Founded by Adrian Nowak and Radek Holewa, back when when Java was new :-)

First Java conference, by Adrian, in 2001 by inviting Bruce Eckel (Thinking in Java)

Members: 1500+Past meetups: hard to count, 100+Still very active.

Lambda Lounge Kraków

http://lambdakrk.pl

All functional programming debates that didn’t have other groups at that time.

Founded: Feb 2013Members: 520Past meetups: 49Upcoming meetup – kind of @ 10 Jun – KrakLisp

http://geecon.org

Founded because there wasn’t any proper “international” JVM-related conference in eastern europe.GeeCON made it happen.

Also expanded to: Czech Republic, Poznan, Tricity

Founded: 2009 (7 years of geecon!)Attendees on each event: 1200+Main event – each May in Kraków

Let’s move the Java world!

http://sckrk.com http://kto.so/2016/05/16/sckrk-the-ultimate-100-meetings-96-whitepapers-5-years-and-more

Founded by Adam Pohorecki, 5+ years ago.Regular 2-weekly ever since.

Computer Science Whitepaper Reading Club

Very unique group, requires actuall effort to participate properly.

Computer Science Whitepaper Reading Club105+ meetings 96+ whitepapers1000+ people 5+ years