CONSHOHOCKEN, Pa.--(BUSINESS WIRE)--CardioNet, Inc. (NASDAQ:BEAT), a leading wireless medical technology company with an initial focus on the diagnosis and monitoring of cardiac arrhythmias, announced that the Board of Directors has appointed Randy Thurman as Executive Chairman. Current Executive Chairman Jim Sweeney has accepted a position as entrepreneur-in-residence at the von Liebig Center at the University of California, San Diego. Mr. Sweeney will remain a member of the Board of Directors and expects to transition from the Board later this year.