Since 2006, Eppstein has been an active editor and later an administrator at the English Wikipedia and he is am editor and sometimes an administrator at several other sites based on MediaWiki.
Eppstein has been an active editor. This was since 2006. Eppstein has been later an administrator at the English Wikipedia. This was since 2006. He is am editor and sometimes an administrator at several other sites. This is since 2006. These several other sites are based on MediaWiki.