Mirko Villi (b. 1961), an amateur astronomer in Cortina d'Ampezzo, Italy, started a supernova search program in 1990 and is credited with the discoveries of 1991T, 1994W, 1998bu, 2006F, 2007kc and 2007kd. Founder of the International Supernovae Network, he has been a guide for others interested in this work.