 He was a main speaker at the Maramon Convention in India in 2006.He was Niles Memorial Lecturer and Keynote Speaker at the Twelfth General Assembly of the Christian Conference of Asia in Chiang Mai, Thailand in 2005, and was a member of the executive and general committees of the Christian Conference of Asia from 2005 to 2010.He was Thomas Mar Athanasius Memorial Lecturer in India in 2004, and Ferguson Lecturer at the University of Auckland, New Zealand, in 2007.