Colleen Horan '05 has been a member of Harvard Undergraduate Women in Business since 2001, and previously served as Treasurer before undertaking her current position as Vice President. In addition to her involvement with WIB, Ms. Horan co-coordinated the Class of 2005 Junior Parents' Weekend, was an executive board member of the Women's Leadership Project, and is currently in her second season of intramural crew. She has had professional experience in film and television production, fundraising and development, and insurance.

Ms. Horan is an economics concentrator and resides in Leverett House. She is a native of Canton, Massachusetts and is a 2001 graduate of Thayer Academy in Braintree, Massachusetts, where she was editor-in-chief of the yearbook and captained the varsity ski team.