Kingston MPP Ted Hsu has officially entered the Ontario Liberal leadership race.
Hsu, a scientist by training, registered to run on May 20, according to Elections Ontario, becoming only the second official candidate in the leadership race. Toronto MP Nathaniel Erskine-Smith registered to run back in April.
Hsu, who received a PhD from Princeton, represented in the Kingston and the Islands in the House as a federal Liberal from 2011-15.