Katie McNeil Diamond is an American talent manager and long-form music video and concert documentary producer.^[1]

McNeil was born and raised in Smithtown, New York. She was a horseback rider as a child, and rode competitively throughout high school. She attended University at Albany, SUNY, graduating in 1993 with a degree in communication.^[2]

McNeil began her career as an intern at MTV and later served as executive producer of television and home video at House of Blues Entertainment.^[3] In 2003 she accepted a job at 10th Street Entertainment and transitioned to artist management.^[4] As an artist manager and the head of media at 10th Street, she worked with artists including Mötley Crüe, Blondie, Hanson and Buckcherry. In 2007 she starred as herself -- a "ball busting exec" -- on the VH1 reality show, Mission: Man Band.^[5]

McNeil was hired as a manager at Azoff Entertainment in 2007. In addition to working with Guns N' Roses, 30 Seconds to Mars, and other artists,^[6] she co-managed Neil Diamond with Irving Azoff. She lobbied Azoff to work with Diamond, stating in a 2012 interview that professionally, managing Diamond would be a "feather in her cap."^[7] Diamond and McNeil began dating in 2009, and in 2011 Diamond announced via Twitter that he and McNeil were engaged.^[8] They were married in 2012. Although she resigned from her position at Azoff Entertainment she continued to manage Diamond.^[3]

McNeil and Diamond live primarily in Beverly Hills, California and New York City.^[9] She is active in animal rescue and is an avid equestrian. An amateur wildlife photographer,^[3][10] she frequently shares her photos on Twitter.^[11]