 He was elected episcopal visitor of the Sisterhood of St. John the Divine in 2005 and re-elected in 2010, serving until 2015.In 2009, he was named episcopal visitor to the Ontario chapter of the newly constituted North American branch of the Society of Catholic Priests (SCP).Johnson chaired the Theological Education for the Anglican Communion (TEAC2) Working Group and was a member of the Council of General Synod (2008–2013), the executive body of the Anglican Church of Canada.