Sebastian Muggeridge is the second youngest of six children. His one sister is a consecrated member of Opus Dei in Montreal. He is local to Ottawa, leading the youth choir at Holy Redeemer Parish. In addition, he is involved with Alpha, and Eucharistic Adoration. He has a B.Sc. in Nursing from the University of Ottawa and worked at the Ottawa Civic Hospital. Hobbies include running, reading, playing guitar, and board games.