About Marthe Sansregret Marthe Sansregret, a native Montrealer, holds a PhD from the Université de Montréal. She has nurtured a lifelong love of music, especially jazz and blues, and communicates this passion in her portrait of Oliver Jones. Books by Marthe Sansregret Oliver Jones by (author) Marthe Sansregret Oliver Jones The Musician, The Man by (author) Marthe Sansregret