David Gurteen had a section in his latest monthly newsletter (Issue 154) about a company called MindTouch, which published the top 100 influencers in KM in April 2013 that use Twitter. The blog post can be found here: http://www.mindtouch.com/blog/2013/04/11/influencers-in-knowledge-management/
Care should be taken though as the algorithm included some people and excluded others that are also influential in knowledge management.
Care should be taken though as the algorithm included some people and excluded others that are also influential in knowledge management.