Igor Kolb graduated from the Belarusian State Choreographic College.
From 1996 to 2022, he was a member of the Mariinsky Ballet (St. Petersburg), where he quickly rose to become one of the company's leading principal dancers.
In 2022, Igor Kolb was appointed Principal Choreographer and Director of Ballet of the Bolshoi Theatre of Belarus.
His productions at the Bolshoi Theatre of Belarus include:
In July 2024, as part of the company’s tour to Nicaragua, he performed at the gala concert marking the 80th anniversary of the liberation of Belarus from Nazi invaders and the 45th anniversary of the Nicaragua Revolution held at the Rubén Darío National Theater in Managua.
In April 2025, Pathétique Memory Book whose production team included Igor Kolb, was presented on the New Stage of the Bolshoi Theatre of Russia. This performance, marking the Day of Unity of the Peoples of Belarus and Russia, was organized by the Ministries of Culture of both countries, the Standing Committee of the Union State, and ROSCONCERT.
In May 2025, Igor Kolb travelled to Nicaragua as a member of the Bolshoi Theatre of Belarus production team of the gala concert held at the Rubén Darío National Theater in Managua.
In May 2026, he participated in the company’s tour to Vietnam, serving as the choreographer and stager for the Bella Belarus gala concert at Ho Guom Opera in Hanoi.