During his term as Health Minister of the region of Madrid, Güemes opposed smoking bans as an infringement of individual liberty, saying, "you never get good results from banning something".[2]
In 2010, he was appointed President of the International Center for Entrepreneurial Management at IE Business School.[3]
In 2013, he is declared innocent after being charged for alleged bribery and malfeasance by management privatization of public hospitals in Madrid during his mandate at the Ministry of Health for the region of Madrid (2007–2010).[5]