Biography: Alexandra Christine Schneiderman (born December 9, 1996), professionally known by her stage name Alexa (stylized as AleXa; Korean: 알렉사) and formerly known as Alex Christine (알렉스 크리스틴), is a Korean-American singer based in South Korea. After placing in both seasons of the reality television contest Rising Legends, AleXa signed with Zanybros' ZB Label and trained there for roughly two and a half years. During this time, she competed on Mnet's Produce 48. She debuted on October 21, 2019, with the single "Bomb".