A native of Vancouver, British Columbia, Berner, who was Jewish,[1] represented Canada in seven Federation Cup ties from 1964 to 1968 and was later, in 1971, the top ranked Canadian player.

[2][3][4] At the 1965 Maccabiah Games, she won a gold medal in women's singles, defeating South African Esmé Emmanuel.

[8] At the 1973 Maccabiah Games, she won a silver medal in women's doubles, playing with Pam Gullish against South Africans Ilana Kloss and Helen Weiner in the finals.

[9] While competing on the international circuit, as a professional from the early 1970s, she featured regularly in grand slam main draws.

Her best performance came partnering Frew McMillan in the mixed doubles at the 1964 U.S. National Championships, where they made it to the semi-finals.