On October 5, 2018, Arcand was named interim leader, following the resignation of Philippe Couillard after the 2018 Quebec general election.

[2] Arcand started his journalistic career in 1978 at CKAC as a news editor and then the radio station's vice president and the director of information.

He was then the senior vice-president of Metromedia CMR Broadcasting Inc. in which the company acquired several radio and television stations across the province but mainly in the Montreal area.

[8] In December 2020, Arcand was found to have been vacationing in Barbados, despite the COVID-19 pandemic and public health advisories to avoid unnecessary travel, and as a result, was removed from his role as the opposition's critic for transportation and his position to represent the Quebec Liberals on Montreal issues.

[9] On October 5, 2018, Arcand was named interim leader, following the resignation of Philippe Couillard after the 2018 Quebec general election.