If you want to contact me, feel free to reach out through one of the channels below.

I speak the following languages: Japanese, English, German. You are welcome to use any of these when contacting me.


Sorry for the lack of accessibility, but public plain-text emails lead to spam. My email address spelled out is: jh at sign jan minus heck dot net

If you want to send an encrypted email, you can download my GPG public key.


My phone number is: 0044 7916 followed by 075 641

You can call and text me, or use the Signal messenger.

Feedback (anonymous)

I strongly believe in honest feedback and receiving comments, no matter how big or small, personal or professional, to help me reflect on myself. In addition to all the ways above, if you would prefer commenting anonymously, you can send me an anonymous message.

Imprint / Impressum

You can find the imprint (Impressum) with legal information here.