Mark DiMassimo is a creative chief at DiMassimo Goldstein (DiGo), an agency specializing in behavior change marketing, which they founded in 1996. DiMassimo has been recognized multiple times on Inc Magazine's list of America's fastest-growing private companies and has contributed to major media outlets like CNBC and CNN. They have served on the Board of Trustees for the nonprofit Rare and held teaching roles at several prestigious institutions, including NYU and the School of Visual Arts. DiMassimo's expertise and leadership have been pivotal in building iconic brands and addressing significant social issues, particularly around addiction and mental health.