Jason Kenney overthrew the previous government led by Rachel Notley by obtaining more than 55 % of the popular vote .
He served as leader until the merger was effected on July 24 , 2017 , and was elected United Conservative Party leader on October 28 , 2017.On April 16 , 2019 , Kenney successfully led the United Conservative Party to majority government in the 2019 Alberta general election , defeating the previous government led by Rachel Notley of the New Democratic Party with 63 seats and 54.88 % of the popular vote and securing only the fifth change of government in Alberta 's political history.
Jason Kenney