After winning 29 amateur titles, she turned professional in 1940. During World War II she was a lieutenant in the Marines, 1942-45. In 1948, she helped establish, and became the first president of, the LPGA. She won the inaugural U.S. Women’s Open in 1946. Berg won a total of 57 events on the LPGA and WPGA circuit, and was runner-up in the 1957 Open at Winged Foot. She was runner-up in the 1956 and 1959 LPGA Championships. In addition, Berg won the 1953, 1957, and on this day in 1958 Women’s Western Opens, the 1955 and 1957 Titleholders, both considered majors at the time. Her last victory came in 1962. She was voted the Associated Press Woman Athlete of the Year in 1938, 1942 and 1955.