Ricardo Enrique Giesecke Sara-La Fosse (Huancayo, March 6, 1947) is a Peruvian physicist and expert on environmental issues.

His grandfather, Albert Giesecke, was an American economist who served as the Rector of the National University of San Antonio Abad.

He pursued studies in atomic engineering at the Institut Laue–Langevin of the Nuclear Research Center in Grenoble, France.

Additionally, he has served as the Director and General Manager of Petroperú, and the Chairman of the Board of the Central Peru Mining Company, Centromin Perú S.A. (2004-2006).

The cabinet was subsequently reshuffled the following day with Oscar Valdés assuming the role of the new prime minister.