Michael Sack, Director of Search Engine Marketing technology and development at Idearc Media Corp. Sack, an 8-year veteran of the search marketing industry, has established a reputation as a key thought-leader in the Search Engine Marketing and Online Customer Acquisition space. Prior to joining Idearc, Sack was a founding member of the management team at Inceptor, Inc. where he helped Inceptor develop technology used to support paid search advertising, including tools to measure conversion and improve return on investment.