Mobile Marketing Manager. Jersey City, NJ. About Us. We are BetMGM. We are revolutionizing sports betting and online gaming in the United States. We are a partnership between two powerhouse organizations—MGM Resorts International and Entain Group. You know our name through our exciting portfolio of brands including BetMGM Sportsbook, Borgata online, Party Casino and Party Poker. We aim to bring our ideas into action and find ways to deliver the b...