 As convener he visited Kenya as part of the International Christian Federation Conference for the Prevention of Alcoholism and Drug Addiction, and also toured the Holy Land.As convener he was responsible for the reports presented to Margaret Thatcher after her notorious Sermon on the Mound in 1988, which were interpreted as a rebuke to her speech.He also served as chairman of the Lord’s Day Observance Society of Scotland (1970–1974) and moderator of the Presbyteries of Caithness (1964–1965), Falkirk (1983–1983) and the Synod of Forth (1985–1986).