Robert E. Griebe, Jr., began his lacrosse career at Deer Park High School in New York where he earned First-Team Scholastic All-American and All-County honors in 1971.

At Towson University, Griebe was selected a First-Team All-American attackman in 1975 after garnering third-team honors in '74. A member of Towson's 1974 Division II/III national championship team, he was the Tigers' leading scorer in 1974 and '75. Griebe was also honored as Towson's Most Valuable Player and Senior Athlete of the Year in '75. He is Towson's all-time point leader for lacrosse. Selected as the Division II/III Attack of the Year in 1975, Griebe represented Towson in the 1975 North/South Collegiate All-Star Game.

Griebe played for the U.S. Team in the 1978 Lacrosse World Championships and co-captained the U.S. Team in the 1982 Lacrosse World Championships. He was also selected as an alternate for the 1986 world championships.
Griebe played for the Maryland Lacrosse Club from 1976-89. He was selected as the club Player of the Year in 1980 and '82 and MVP in '88.

Griebe is the national sales manager for STX, Inc., in Baltimore. He was inducted into the Towson University Hall of Fame in 1988 and the Long Island Metropolitan Lacrosse Hall of Fame in 1991. Griebe was inducted into the National Lacrosse Hall of Fame in his first year of eligibility.