McCann handled a variety of clients including Sony, Keebler, McDonald's, and Dewar's

Renetta McCann, CEO, The Americas Starcom MediaVest Group was born Renetta E. Walker on December 8, 1956 in Chicago, Illinois. Raised by her mother, school teacher, Aditha Lorraine Collymore Walker and grandmother, Renetta Collymore, she attended Holy Cross Elementary School, St. Phillip Neri School and graduated from Aquinas Dominican High School in 1974. McCann, who excelled in forensics, earned her B.S. degree in speech from Northwestern University in 1978.
McCann joined Chicago's Leo Burnett advertising agency as a client service trainee in 1978 and rose rapidly to become Burnett's first African American media supervisor the following year. She then became the first African American vice president in 1988, and the first to be media director in 1989. As media director, McCann handled a variety of clients including Sony, Keebler, McDonald's, and Dewar's. She was named senior vice president in 1995. In 1998, she was promoted to managing director of Starcom. As Leo Burnett merged with D'Arcy, then McCann became CEO of the Americas Starcom MediaVest Group. McCann is responsible for the operation of the largest office in the Starcom MediaVest Group network encompassing Canada and the United States, including Starcom; MediaVest; GM Planworks; and Starlink. She oversees all annual business plan development and finance issues, maintains client relationships and drives the agency's strategic planning functions. Her responsibilities include the United States and Latin America.
McCann has developed Starcom into one of the advertising industries top strategic planning "think tanks". The winner of numerous Effies and Cannes Lions, McCann was selected as one of Ebony magazine's 57 Most Intriguing Blacks and Black Enterprise designated her as "2002 Executive of the Year". McCann was chosen "Media Maven" by Advertising Age in 1991, while the Women's Advertising Club of Chicago selected her as Advertising Woman of the Year for 2002. Recognized by Business Week and Chicago Magazine, Essence named McCann one of "50 Women Who Are Changing The World".