You can email me at ingmarweber (AT) acm (DOT) org. If you’re in Saarbruecken, send me a message and we can meet in building E 1.7 on the university campus.
You can also follow me on Mastodon (, https://mastodon.social/@ingmarweber) Twitter ( , https://twitter.com/ingmarweber) or, if I know you, connect on LinkedIn (, https://www.linkedin.com/in/ingmarweber/).