HENRY BRENNER has been associated with several research companies, many of which he founded. These include NPD Research, Acker Retail Audits, McCollum/Spieiman, OPOC Computing, Marketing Evaluations, and Home Testing Institute, among others. He is a founding member and former chairman of the Market Research Council of the Conference Board, in which he is still active. He is also a past president of the Radio and Television Research Council. Brennerâs present activities include memberships in the AAPOR, the American Marketing Association, and the Market Research Council.