Her work explores the metaphysical relationship between the natural world and the spiritual realm. She was born in Philadelphia, and grew up in rural areas of Connecticut and New Jersey. The lakes, fields, and woodlands of her childhood provided her with a deeply emotional connection to nature from a very early age. McGregor studied Studio Art and Art History at the University of Arizona, graduating with a BFA with Honors in 1985. She has been exhibiting her work for more than three decades, and her art can be found in public and private collections throughout the United States and Europe.