Joe Ciaudelli Joe Ciaudelli is a 20-year Sennheiser veteran. Upon graduating from Columbia University with an electrical engineering degree, Joe was hired by Sennheiser as an applications engineer. He provided frequency coordination for large multi-channel wireless microphone systems used by Broadway productions, major theme parks and broadcast networks, including the frequency plan used for NFL football games. He wrote the Turbo-RF software which became the industry standard planning tool of the time. In addition, he wrote the white paper "Large Multi-Channel Wireless Mic Systems," published by industry trade journals, the NAB and InfoComm proceedings, and the Audiocyclopedia.

Ciaudelli later was later named Director of Marketing, in charge of product management, promotion and advertising. He is currently Director of Market Development & Education. Ciaudelli is also the patent holder for the narrow-angle hologram and is the founder and a board member of Rayvel Holographics.