Home Politicians Boris Banga Boris Banga Politician Boris Banga (born August 9, 1949) is a Swiss politician and longtime mayor of Grenchen (1991–2013).Banga is a member of the Social Democratic Party of Switzerland. Personal facts Birth dateAugust 09, 1949 NationalitySwitzerland facebook tumblr linkedin twitter reddit google+ Search Mayor FromJanuary 01, 1991 officeMayor of Grenchen partySocial Democratic Party of Switzerland successorFran%C3%A7ois Scheidegger Topical connections Alexander TschäppätPolitician Alessandro IandoliFootball player Doris LeuthardPolitician Cédric WermuthPolitician Boris Banga on Wikipedia Boris Banga External resources http://www.banga.ch