Mavis Wanczyk is an American woman who gained national attention in 2017 after winning a significant lottery jackpot. She won a record-breaking $758 million Powerball lottery prize, which was one of the largest in U.S. history. Mavis chose to take a lump-sum payment of approximately $480 million after taxes. Following her win, Mavis decided to leave her job as a $hospital worker in $Massachusetts. Her story highlights the impact of sudden wealth on individuals and the choices they make afterward, as well as the excitement and challenges that come with winning a major lottery prize.