J.D. Doyle has joined IneoQuest Technologies as its new vice president of engineering. Doyle was VP of engineering and chief technologist at Empirix for more than 10 years, where he led the development of a number of market leading service assurance product lines for cable, telco, mobile, and unified communications. Prior to Empirix, he led engineering at Hammer Technologies. In addition, Doyle has co-authored five patents in protocol analysis and media streaming.