Kristopher Marzitelli started working for Garda as a Pre-Board Screening Officer at the Ottawa International Airport in 2016. He soon became involved as a union activist and joined the Joint Health & Safety Committee. In 2018 he was elected as President of Unit 613.

He is a recipient of the triennial Ron Marleau Award for outstanding work and dedication to the membership and was appointed to the Board of Trustees in 2020. Kristopher is active within District 6, the USW NextGen Program, and the Eastern Ontario Area Council.