See my en:wp page. From May 2012 to 1 Feb 2012, I was also a trustee and Hon. Treasurer of Wikimedia UK.
You can leave a message on talk, or email johnDOTbyrne@wikimedia.org.uk 
I am a Wikimedia UK Accredited Trainer. My accreditations are:
Technical (Full). Institutions (Full).
If you would like me to run or attend a training event, please feel free to contact me using the email on my Wikipedia user page, or via the WMUK office.