sentence1: Previous secretaries were John MacKay , who received an MBE for services to Scottish Horticulture , Alison Murison , Tom Mabbott , and Dr. John MacLennan .
sentence2: Previous secretaries include John MacKay , who received an MBE for services to Scottish Horticulture , Alison Murison , Tom Mabbott and Dr. John MacLennan .