Prior to his election as bishop, Parker was dean of Ottawa and rector of Christ Church Cathedral.
Parker was born in Edmonton to Irish-Canadian parents and raised in western Canada.
[1] As a priest, Parker served in parish ministry and as an archdeacon prior to his appointment as dean of Ottawa in 1999.
[4] On March 14, 2020—the final day before Anglican church services were suspended amid the spreading COVID-19 pandemic—the diocese elected Parker as its 10th bishop.
He was consecrated and installed by Archbishop Anne Germond on May 31, 2020, at Christ Church Cathedral.