She received her PhD degree from the University of Glamorgan in 2003.

She currently works as Associate Director of Nursing (R&D) in [[Gwent Healthcare NHS Trust]].

Bale was part of the original team that established a unique wound healing service in The Wound Healing Research Unit based at the University of Wales College of Medicine. She has written a range of books and articles on wound care.

She is a founder member of the Wound Care Society (1985); the European Wound Management Association; (1991); the Journal of Wound Care (1992); the European Pressure Ulcer Advisory Panel (1996).

Bale is a fellow of the Royal College of Nursing.