Known for his works on Romanian scholar Mircea Eliade, Rennie was awarded the Mircea Eliade Centennial Jubilee Medal for contributions to the History of Religions by then-President Traian Băsescu in 2006.
Rennie is notable for his academic research on Mircea Eliade, a prominent Romanian scholar, and was recognized with the Mircea Eliade Centennial Jubilee Medal from President Traian Băsescu in 2006 for his achievements in the History of Religions.