Mr. Mosconi, 49, will assist Hankin principal David Nichols in the business management company's ad agency review service. The newly created arm will help clients evaluate agencies.
A 27-year agency veteran, Mr. Mosconi is a former creative director who worked at New York shops BBDO Worldwide, Lintas Worldwide and McCann-Erickson Worldwide.
This year, he started New York-based Cooper Square Entertainment, a company involved in creating long-format programming for clients.
Mr. Mosconi won 22 Clios and numerous Cannes Lions in his career. He was elected to the Clio Awards Hall of Fame for the"Mean Joe Greene" and Pepsi-Cola Co.'s "Apartment 10-G" campaigns, both of which he created.
Messrs. Mosconi and Nichols will also work with clients on evaluating creative work presented as part of an agency's pitch.