Contact Me

contact Mark O'Neill

Option 1: Email

I really don’t like email due to its inherent security problems. But if you really want to send an email, please use the form below. Please allow up to 48 hours for a response (email is only checked 1-2 times a day).

Option 2: Instant Messaging

My preference is Signal, but I am happy to use the others listed below.


Apple iMessage / Signal Messenger / WhatsApp : +49 176-626-85007 (messages only, NO calls).
Skype : markoneillonline

Option 3: Twitter

If you direct message me at @markoneill or tag your tweet with @markoneill, then I will see it and respond as soon as possible (unless I am in bed. Remember timezones!).

Option 4: Snail Mail

Mark O’Neill
Postfach 9301
97093 W├╝rzburg