Chisu was born in Satu Mare, Romania, and he attended high school at Mihai Eminescu National College.

[3][4] For his work in strengthening the relations between Hungary and Canada, Chisu in 2014 received a Knights Cross of the Hungarian Order of Merit.

[citation needed] In 2008 he was promoted to the rank of Major and was posted to Petawawa as the 2 Area Support Group engineer.

He was one of thirteen Members of Parliament who have military service in their career backgrounds, and was only sitting MP who is a veteran of the conflict in Afghanistan during his tenure.

[9][10] During the 2015 election campaign Chisu entered the debate on the future of the Pickering Airport lands that had previously been expropriated by the Government of Canada.

[12] In 2017, Chisu was one of the applicants for appointment to Toronto City Council to succeed the late Ron Moeser in Ward 44.