Dr. Jim Webber
Dr. Jim Webber is Chief Scientist with Neo Technology the company behind the popular open source graph database Neo4j, where he where he works on R&D for highly scalable graph databases and writes open source software. Jim has written two books on integration (Developing Enterprise Web Services – An Architect’s Guide) and distributed systems (REST in Practice) and his latest book is Graph Databases which focusses on the Neo4j database. His blog is located at http://jimwebber.org and he tweets often @jimwebber. I hope that's enough to help you make a decision, if not please don't hesitate to get back to me.