Bookanakere Siddalingappa Yediyurappa // (born 27 February 1943), often referred to by his initials BSY, is an Indian politician currently serving as the member of the Bharatiya Janata Party Parliamentary board committee since 17 August 2022, termed as the highest office of authority in the party. He served as the 19th Chief Minister of Karnataka, and currently a Member of the Karnataka Legislative Assembly. He is a member of the Bharatiya Janata Party. He is also the only politician so far in Karnataka to have served four times as Chief Minister and three times as Leader of the Opposition in the Karnataka Legislative Assembly. He is the longest serving Chief Minister of Karnataka from BJP. He is a MLA from Shikaripura constituency in Shimoga district, from where he has been elected eig