Mark was re-elected on October 19, 2015 to the 42nd Canadian Parliament for his fifth term as Member of Parliament for the new federal riding of Langley—Aldergrove. Following the 2015 election, he was appointed as the Official Opposition Critic for Seniors. In 2017, Mark was appointed Shadow Cabinet Secretariat for Palliative Care and Senior Income Security. He is the person responsible to represent Canadian seniors at the Shadow Cabinet table and in Parliament.
In 2015, Mark was appointed to the Special Joint Committee on Physician Assisted Suicide and Euthanasia, where he was one of 16 Parliamentarians who consulted with Canadians and provided legislative recommendations to Parliament. He is the MP who introduced bill C-268 to protect the conscience rights of doctors, nurses and health care professionals who object to participating in certain medical procedures.
Mark is the longest serving Conservative MP from British Columbia in this Parliament. Mark has the honourable distinction of being the Parliamentary Secretary to four different Ministers of the Environment, from 2006 to 2011.
In 2013, Mark was appointed to serve on the Standing Committee on Industry, Science and Technology. He continues to build Canada’s bilateral relationships through his work as Vice-Chair of the Canada-Philippines Parliamentary Group, Treasurer of the Canada-Ukraine and Canada-Taiwan Parliamentary Groups, Director for the Canada-Korea and Canada-Israel Parliamentary Groups, and as a Member of the Canada-Europe, and Canada-Hong Kong Parliamentary Groups.
In 2011, Mark was appointed to the position of Chair of the Standing Committee of Environment and Sustainable Development for Canada, overseeing Canada’s Environmental Committee work, studies and legislative reviews. He continues to be consulted on environmental issues.
Mark was with the Prime Minister on an official State visit to Ukraine in 2010. He also led a Canadian Parliamentarian delegation to Taiwan in 2011. In 2014, he was on a Canadian trade delegation to Ukraine, and served as an election observer during the October 2014 Parliamentary elections in Ukraine. In 2017, Mark was a member with the National Defense Committee study on a NATO in Belgium, Latvia and Ukraine.
Mark is a long-time resident of Langley BC, where he and his wife Diane raised their 5 children. They now have 10 grandchildren.