Glen Gillen is Professor at Columbia University’s College of Physicians and Surgeons. Glen is best known in the community for his contribution to the literature, the textbook Stroke Rehabilitation: A Function-Based Approach now in its fourth edition and Cognitive and Perceptual Rehabilitation: Optimizing Function. He has recently co-edited the 12th edition of Willard & Spackman’s Occupational Therapy. He has over 100 publications including chapters, books, and peer reviewed publications. A past recipient of AOTF’s Award for Clinical Excellence in Rehabilitation and AOTA’s Recognition of Achievement Award, Glen lectures extensively on the local, state, national, and university level regarding multiple topics related to neurorehabilitation. He maintains a clinical caseload working in the areas of acute care and inpatient rehabilitation. Glen was the recipient of the 2012 Eleanor Clarke Slagle Lecture and delivered the lecture in San Diego in 2013. The lectureship honors a member of the AOTA who has creatively contributed to the development of the body of knowledge of the profession through research, education, and/or clinical practice.

Valerie is head occupational therapist for „Sjálfsbjörg“, the Icelandic association of people with physical disabilities. Sjálfsbjörg offers long-term rehabilitation services to individuals living in the community and in serviced accommodation. Valerie is a part time lecturer at the University of Akureyri, teaching in the undergraduate occupational therapy program and has previously taught in the undergraduate program at La Trobe University, Victoria, Australia. She completed her undergraduate studies at La Trobe University and a Masters degree from Florida International University, USA.  Valerie´s main areas of interest are rehabilitation of adults with neurological problems, support for caregivers and clinical reasoning. Valerie completed her A-ONE certification in 1991 and has been an A-ONE instructor from 2003. She is responsible for A-ONE courses in English speaking countries other than North America.

Esther Steultjens PhD is an occupational therapy researcher with a degree in Neuropsychology as well. She is A-ONE certified since 1993 and translated, validated, and implemented the A-ONE-NL in the Netherlands since her training as an A-ONE teacher (1995-1999) and A-ONE teacher for the Dutch language areas since 1999. Esther works as an associate professor in Neurorehabilitation at the HAN University of Applied Sciences, Nijmegen, The Netherlands and executes studies on participation, occupational performance and cognitive rehabilitation for people with acquired brain damage. She has extensive knowledge about the effectiveness of occupational therapy and evidence-based practice. Her publications on these topics can be found in the literature databases Pubmed and Cinalh.