Darren Martin Prince (born February 6 1970) is a sports and celebrity agent who grew up in Livingston New Jersey.Prince started a mail order company selling baseball cards at the age of 14 called Baseball Card City and also traveled around the country doing trade shows. At the age of 20 he sold his company for $1.0M and formed Prince of Cards which became an industry leader in private autograph signings for sports and celebrity memorabilia with athletes and celebrities.