He is the nic.at representative for [[CENTR]],<ref>[https://www.centr.org/main/about/members/1844-CTR.html CENTR Members]</ref> and served on the CENTR Board of Directors from 2006 until 2010.<ref>[https://www.centr.org/main/lib/g6/4409-CTR.html CENTR - Former Board of Directors]</ref> | He is the nic.at representative for [[CENTR]],<ref>[https://www.centr.org/main/about/members/1844-CTR.html CENTR Members]</ref> and served on the CENTR Board of Directors from 2006 until 2010.<ref>[https://www.centr.org/main/lib/g6/4409-CTR.html CENTR - Former Board of Directors]</ref> |