Birthdate: December 30, 1996
Birthplace: Los Angeles, CA
Hometown: Hollywood Hills, CA
Current Residence: Hollywood Hills, CA
Education: Immaculate Heart High School (2015)
Club: Trojan Dive Club
Coach: Hongping Li
Olivia is the daughter of Daniel Rosendahl, a software developer, and Anne Kosco, a physician. She also has a younger sister, Brighida Rosendahl (also a diver). Olivia began diving at age seven and now trains three hours a day, five to six days a week. During competitions Olivia likes to joke around and laugh. Her favorite dive is 205B and her favorite food is sushi. When she’s not divin,g Olivia enjoys singing, writing, acting and musical theater. Her favorite singer is Adele and she likes knitting presents for people.