Toni Haapa is an operating room (OR) nurse. Currently, he serves as a Research Nursing Officer at Helsinki University Hospital in Finland and a part-time Associate Professor at Lovisenberg Diaconal University College in Norway. Additionally, he is a docent (adjunct professor) at Tampere University (Finland). His research interests focus on the quality of clinical learning environments. Toni possesses extensive research methodological experience, with particular expertise in theory development, including instrument development and literature reviews. His teaching experience spans both undergraduate and postgraduate nursing students, as well as the continuing education of nursing staff. He is a former president of the Finnish Operating Room Nurses Association (FORNA).