Gregory Igelmund (grekko)
Visited Events
- Ruby Usergroup Berlin - January 2021
- May Meetup 2020 (remote)
- July Meetup 2018
- December Meetup 2016
- July Meetup 2016
- April Meetup 2016
- May meetup 2015
- January Meetup 2015
- April Meetup 2014
- August Meetup
- April Meetup
- Febuary Meetup