All Members Conven­tion 2026

September 22nd — Frank­furt 

For Members Only! 

Our All Members Conven­tion is an impor­tant annual event for all OI4 members!

Don’t miss this great oppor­tu­nity to meet our new Managing Director Michael Riester, and the OI4 Core Team in person,  discover what’s new in the OI4 and take advan­tage of plenty of networking oppor­tu­ni­ties with fellow members.

Project Updates & Strategic Devel­op­ments

Inter­ac­tive Discus­sions

Networking & Exchange

🎬🎬Take a look at last year’s All Members Conven­tion:

new loca­tion in Frank­furt:

Landess­porthalle Hessen e.V.

Arriving the day before? Join us for our Pre-Dinner on September 21st.

Let us know in the regis­tra­tion, whether you will be partic­i­pating.