TARRYTOWN, N.Y.--(BUSINESS WIRE)--SQAD LLC, the largest independent provider of global business solutions for planning and managing advertising investments, today announced the hiring of Tim Dolson as Director of Research. Following decades of experience designing statistical methods and conducting data analysis in the media industry, Mr. Dolson will be overseeing the design of SQAD’s statistical procedures, ensuring the accuracy and accountability of the firm’s real-time ad cost tracking and f