David Scheirman is a live sound reinforcement specialist and serves as Global Director, Concert & Rental Business for Bose Professional. He is a past president of the Audio Engineering Society and a member of its Board of Governors. With worldwide concert mixing and sound design experience for numerous performing artists and major special events, he has participated in more than 3,000 theater, arena and stadium concerts and productions on all continents. Scheirman began his sound reinforcement career as a touring system technician and live sound mixer. Over the years he has held positions with PA rental firms, an installed sound system integrator, an electro-acoustical measurement laboratory, a computer-control system developer, a networking technology R&D firm, and pro audio equipment manufacturers. Executive education has included product-development and technical marketing programs at Caltech, Stanford University and Massachussetts Institute of Technology.