Stéphane Lambiel
Grütter began coaching in 1965. His most notable student has been Stéphane Lambiel, whom he coached from 1995 until June 2008 and again from July 2009. He coached Lambiel to win two World Championships, as well as an Olympic Silver Medal and other titles. Others among his current and former students include Noémie Silberer, Kristel Popovic, Raphaël Bohren, Samuel Contesti, Laurent Alvarez, Paolo Bacchini, Alisson Perticheto and Anna Ovcharova.