Past events
COS 2025 - Nova Gorica
May 13, 14, 15 2025
COS 2025 - the Nova Gorica, Slovenia edition! The 14th edition will bring COS back to where it all started in 2011; the beautiful Perla Resort & Entertainment! May 13, 14 & 15, 2025; Spring in Slovenia!
COS 2024 - Amsterdam
April 23, 24, 25 2024
Themed THINK DIFFERENT! In the Park Inn by Radisson Amsterdam City West, the 2024 edition was memorable! The largest setting to date, next door to Holland Casino Amsterdam West, and just before Kings Day.
COS 2023 - Bucharest
April 25, 26 and 27, 2023
Compared to COS 2022 - the Riga edition; Larger number of delegates, more sponsors and a broader line-up of speakers. The event is still growing.
