Marina Dieul was born in France. She showed great interest in painting and drawing from an early age, and her family encouraged her vocation. In early 2000, she moved to Montreal, Canada, where she now lives. She has since studied with Tim Stotz and Michelle Tully, former students of Ted Seth Jacobs. Her work has received numerous awards and honors, including the Kingston Prize, the Portrait Society of Canada, the Artist Magazine, and International Artist Magazine, among others.
She won the William Bouguereau Best of Show Award, and first place in the drawing category at the Art Renewal Center Salon, the Best of Show in the "Inspiring Figures" exhibition (Butler Institute of American Art) and an Award of Exceptional merit at the Portrait Society of America’s international competition. She is a member of the Portrait Society of Canada, the Portrait Society of America, and has been selected as a Living Master by the Art Renewal Center.