S. Kruopis was born on February 11th in Siauliai. 1971 – 1975 he went to Sauliai Art School, 1975 started studying photography in Kaunas Stepas Zukas School of Arts, later went to Vilnius J. Vienozinskis School of Arts, 1987 – 1993 studied painting in Vilnius Academy of Arts. 1992 gained experience in Germany, 2001 in India, 2003 in Sweden and 2016 in Nepal. Member of Lithuanian Artists Association since 1995, organizes international workshops of painting “Expression of Nida” in Nida, Lithuania. In 1999 established “Association of Nida's artists BRIDGE”, is it's chairman and unites more than 370 members. In collection of Association “Bridge” are more than 800 painting and graphic works, which are exhibited all over the world: Russia, Latvia, Estonia, Belarusia, India, Denmark, Germany, Finland, Italy, Poland and Czech Republic.