Apparently Mr. Connolley has edited 5428 Wikipedia articles, most about climate. Die Kalte Sonne:
Unbelievable but true: The Wikipedia umpire on Climate Change was a member of the UK Green Party and openly sympathized with the views of the controversial IPCC. So it was not a referee, but the 12th Man of the IPCC team.
I’m not sure how accurate the translation is, but it suggests he was somehow part of the IPCC “short list” team. See it here at Die Kalte Sonne via this Google Translate link:
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