He articled with McQuarrie Hunter LLP and worked with the firm for over 30 years, eventually becoming Managing Partner and overseeing the growth that would lead to McQuarrie Hunter becoming one of the largest law firms south of the Fraser.

Following the resignation of his predecessor, Mark Warawa, Van Popta won the nomination race and was named the Conservative candidate for Langley Aldergrove.

Following his victory, Van Popta was appointed as a member to the Standing Committee on Public Safety and National Security.

Following his leadership victory, Poilievre appointed Van Popta to the role of Shadow Minister for Pacific Economic Development.

Van Popta is also member of the Standing Committee on Justice and Human Rights.