As a Greensboro City Council member, Grubar was instrumental in the expansion of the Greensboro Coliseum to over 23,000 seats, and gaining support to pass the referendum to build a new downtown baseball stadium. He has been active in the community as a board member and chairman of the Greensboro Sports Commission, the Coliseum War Memorial Commission, and the Greensboro Area Convention & Visitors Bureau. Grubar was chairman of the committee to establish the Atlantic Coast Conference Hall of Fame. A native of Schenectady, N.Y., he was a point guard at North Carolina for three years, 1967-69, during which the Tar Heels won three straight ACC regular season and ACC Tournament titles and made three straight Final Fours. He played for the legendary Coach Dean Smith.