Eric Hahn Founder & Chairman Eric Hahn is the founding partner of the Inventures Group, a leading "mentor investment'' firm based in Palo Alto, California. Eric Hahn is the founding partner of the Inventures Group, a leading "mentor investment'' firm based in Palo Alto, California. At Inventures, Mr. Hahn has served as a director and has been actively involved with companies including Kana, Red Hat, LoudCloud, Good Technologies, and RemarQ. proofpoint