Namjoo was born in Rasht in 1918 and in 1937 moved to Tehran, where he worked at a carpentry workshop. He took weightlifting in a gym nearby. Besides weightlifting he also competed in bodybuilding, and won the Mr. Universe title in his weight division in 1948, placing fifth in 1955.
Namjoo was born in Rasht in 1918 and moved to Tehran in 1937 where he worked as a carpenter. He also participated in weightlifting at a nearby gym. Besides weightlifting, he competed in bodybuilding and won the Mr. Universe title in his weight class in 1948, placing fifth in 1955.