Loisa Matthys is a South African composer, arranger, and music educator who has made significant contributions to the world of choral music. With a career spanning over two decades, Matthys has worked with many notable artists in the South African music industry, including Johnny Clegg, Karen Zoid, and Mafikizolo.

Matthys is widely recognized for her ability to create choral arrangements that are both musically complex and emotionally stirring. Her arrangements often incorporate elements of traditional South African music, resulting in a unique and engaging sound that has captivated audiences both in South Africa and abroad.

In addition to her work as an arranger, Matthys is also a respected music educator, known for her ability to inspire and guide young musicians. She has worked with many choral groups and youth choirs, helping to develop the next generation of musicians and choral performers.