Education - Studies
- ARCT (Piano Performer's), The Royal Conservatory
- BMus (Piano Performance), University of Lethbridge
- AMus (Piano Teacher's), Western Board
- AMus (Pipe Organ), Western Board
- LMus (Pipe Organ), Western Board
Marilyn Sinclair teaches piano and organ as well all theoretical subjects, including keyboard harmony.
Dorothy Bee at the Regina Conservatory for piano, Marguerite Buck at the Regina Conservatory for organ, and Louise Needham at the University of Lethbridge for piano were among her most influential teachers.
Ms. Sinclair has adjudicated many festivals in Western Canada.
She served on National and Provincial Boards of Registered Music Teachers' Associations and on the University of Lethbridge Board of Governors. Marilyn Sinclair is the founder of the Lethbridge Piano Class Festival.
- Canadian Federation of Music Teachers' Association