Knesset Coalition Chairman resigns in light of investigation Today, Knesset Coalition Chairman David Bitan announced his resignation in light of the ongoing investigation against him. MK David Amsalem will replace him. Bitan and Netanyahu Photo credit: Yonatan Sindel/ Flash 90 In light of the ongoing investigation against him, MK David Bitan announced his resignation as coalition chairman today (Wednesday). Bitan thanked Israeli Prime Minister Benjamin Netanyahu for his trust and support.