From Protege Wiki
Sean Falconer was a Postdoctoral Researcher at Stanford Center for Biomedical Informatics Research from Feb 2010 - Jan 2011. Sean worked primarily on visualization techniques for searching and exploring medical-domain information, as well as ways to use social computing to construct ontologies.
Sean's blog: http://seanfalconer.blogspot.com/
Sean's current job: CTO & Co-Founder at Proven.com