Former Miami Herald publisher Alberto Ibarguen ’66, Hon. ’11, P ’97 announced he is stepping down as the president and CEO of the John S. and James L. Knight Foundation—a philanthropic organization that has invested in media, arts, and culture. President Joseph R. Biden nominated Lt. Gen. Michael Cederholm ’88 to be the new commander of I Marine Expeditionary Force, one of the three main Marine forces, according to Marine Corps Times. An aviator by training, Cederholm has served as deputy commandant for aviation since July 2022, according to his official bio. Neuroscientist Michael Greenberg ’76 was one of three winners of the Lundbeck…