Grillo became involved with professional ice hockey with the New York Rangers and Minnesota North Stars in the 1980s as a scout.
He was named executive vice-president in 1995 and held the title until 1996 when Dean Lombardi was hired as General Manager of the Sharks.
Prior to professional ice hockey, Chuck served in the United States Marines Corp. Grillo was a coach for 16 years in Minnesota high schools, earning the Minnesota State High School League Coach of the Year in 1973.
Other honors include induction in to Bemidji High School and Minnesota State Hockey Coaches Halls of Fame.
Chuck has his master's degree in Guidance Counseling and eighty (80) credits towards his Doctorate in Education.