Lab Alumni

Katherine McMillan, Ph.D. (2017)

Katherine McMillan completed both her Masters Degree in Psychology and Doctorate in Clinical Psychology under the supervision of Dr. Gordon Asmundson through the University of Regina. During completion of her graduate program, Katherine was the recipient of 19 scholarships and awards, including the prestigious Frederick Banting and Charles Best CIHR Canada Graduate Scholarship -Masters Award, Frederick Banting and Charles Best CIHR Canada Graduate Scholarship – Doctoral Award, and P.E.O. Scholar Award. Through her work with the AIBL, Katherine has published 19 peer-reviewed manuscripts, with seven as first author, co-authored one book chapter, and has presented her research at 10 national and international conferences. Katherine is currently employed as a Clinical Psychologist (provisional) with Mental Health and Addictions Services in Saskatoon, SK.

Email:  kmcmillan84@gmail.com


Holly Parkerson, Ph.D. (2017)

Holly Parkerson was a Doctoral Degree student in Clinical Psychology at the University of Regina. Her research supervisor was Dr. Gordon Asmundson. Holly's research explored connections between anxiety, health behaviours, and physical health outcomes. Her doctoral thesis was a pilot test of a fully automated online stop-smoking program that offered individualized information and a structured quit-plan to support participants as they quit smoking. Her goal was to provide accessible stop-smoking support to Canadians and identify ways to make smoking interventions more effective for at risk populations. Holly has received several large scholarships during her graduate training including Canadian Institutes of Health Research Master's and Doctoral awards.

Email: hparkerson@gmail.com


Samantha Horswill, Ph.D. (2017)

Samantha Horswill received her B.A. (Hons.) from the University of Alberta in 2011. Samantha's research interests lie primarily in the investigation of resilience (e.g., hopefulness) and risk factors (e.g., anxiety sensitivity) in the formation of posttraumatic stress disorder. Her Master’s research used horror movies to consider how predispositional factors longitudinally influence stress-induced PTSD symptoms. She completed her 4-month Master’s internship at the Regina Mental Health Clinic. Samantha has completed her Doctoral degree under the supervision of Dr. Nick Carleton. Her doctoral dissertation considered how predispositional variables influence the development of PTSD in highly trauma- exposed populations such as police officers. Samantha’s research was supported by a Saskatchewan-CIHR Regional Partnerships Program Doctoral Award.

Email: samantha.horswill@gmail.com


Christina D’Ambrosio, M.A. (2016)

Christina graduated from the University of Toronto (St. George) with a Bachelor of Science (Hons.) in Psychology in 2011. She completed her M.A. in Clinical Psychology under the supervision of Dr. Gordon Asmundson at the University of Regina. Christina’s interests pertain to traumatic experiences and how this may manifest within forensic populations (e.g. police officers, first person responders), in addition to the development and efficacy of treatment initiatives for criminal offenders. Some other research interests examine how expressive writing's efficacy for treating post-traumatic symptoms is impacted by personal characteristics (emotional, cognitive) and different modalities (hand-written vs. typed).

Email: dambrosc@uregina.ca


Sabine Soltani, M.A. (2015)

After completing a B.A. in Communications Studies, Sabine decided to pursue a career in psychology. She received her B.A. in Psychology (First Class Honours) from the University of Calgary in 2014. Her honours thesis examined attentional biases in currently depressed, previously depressed, and never depressed individuals. She completed her M.A. in Clinical Psychology under the supervision of Dr. Nick Carleton examining the role of intolerance of uncertainty and social anxiety in decision- making, supported by a Canadian Institutes of Health Research Frederick Banting and Charles Best Canada Graduate Scholarship. Sabine is currently completing her doctorate at the University of Calgary where her research examines the role of attentional biases in the co-occurrance of paediatric chronic pain and anxiety.

Email: sabine.soltani@gmail.com


Matthew Fetzner, Ph.D. (2015)

After graduating from the Royal Military College of Canada with a Bachelor of Arts Honours degree in 2009, Mathew worked under the supervision of Dr. Gordon Asmundson at the University of Regina. While working under Dr. Asmundson in the AIBL, he completed his Master’s degree in Clinical Psychology in 2011 and Doctoral degree in 2015. During his doctoral training he researched how aerobic exercise effected posttraumatic stress disorder symptoms as his doctoral dissertation. He completed his predoctoral residency at the Royal Ottawa Mental Health Center in Ottawa Ontario in 2015, and completed rotations in the Operational Stress Injury Clinic, Anxiety Disorders Clinic, and Mood Disorders Clinic. Mathew is now a registered psychologist with competencies in both clinical and rehabilitation psychology in the province of Ontario. Mathew currently works in a multidisciplinary third-party funded health service setting, conducting and presenting outcome research, supervising non-regulated health professionals, and working with patients suffering from wide array of psychiatric and physical health conditions.


Mike Thibodeau, Ph.D. (2014)

Dr. Michel Thibodeau was granted his Ph.D. in Clinical Psychology from the University of Regina under the supervision of Dr. Gordon Asmundson. He completed his residency in the Vancouver Coastal Health program and has sought externships at world-class sites in Canada, the United States, and Australia. He is currently a Registered Psychologist in Ontario, an Associate Professor of Psychiatry at the University of Toronto, and works as a psychotherapist in private practice. Dr. Thibodea's research has focused on anxiety disorders, eating disorders, and psychometrics. He received several prestigious awards in recognition of his contributions as a graduate student (e.g., Master’s, Doctoral, and Brain Star Awards from the Canadian Institutes of Health Research, Beck Institute Scholarship).


Daniel Peluso, Ph.D. (2013)

Dr. Daniel Peluso is currently working in private practice at the Ottawa Institute of Cognitive Behavioural Therapy in Ontario. He received his doctoral degree in clinical psychology from the University of Regina after completing his residency at the Royal Ottawa Mental Health Centre in Ottawa, ON in 2013. During his residency, Dr. Peluso completed rotations in the Operational Stress Injury Clinic, working with military veterans and RCMP in addition to working in the anxiety and mood disorders programs. His clinical practice focuses on assessment and treatment of anxiety, mood, emotional, and trauma-related disorders. Under the supervision of Dr. Asmundson, he has published 8 peer-reviewed articles in the area of clinical training, PTSD, and anxiety disorders. He has also co-authored 3 book chapters in the area of somatoform and anxiety disorders. His research in traumatic stress and anxiety was supported by a CIHR Doctoral Research Award.


Kelsey Collimore, Ph.D. (2011)

Kelsey C. Collimore, Ph.D. is currently a Postdoctoral Fellow in the Mood and Anxiety Treatment and Research Program at Sunnybrook Health Sciences Centre in Toronto, Ontario. She received her Ph.D. in Clinical Psychology from the University of Regina in 2011, following an Honours Bachelor of Health Sciences undergraduate degree from McMaster University in 2004. She completed her internship at the Centre for Addiction and Mental Health in 2010-2011, with rotations in anxiety disorders, psychological trauma, and borderline personality disorder. Dr. Collimore's clinical and research interests include anxiety and related disorders, anxiety disorder co-morbidity, cognitive-behavioural treatments of anxiety disorders, and the integration of emotion regulation strategies in the treatment of anxiety. She has published 12 journal articles and five book chapters (regarding the anxiety disorders, health anxiety, and fear of pain), and has given several oral and poster presentations at academic conferences. Dr. Collimore was awarded masters and doctoral research awards from the Canadian Institutes of Health Research (CIHR). In 2009, she was awarded a CIHR Brain Star Award and a Career Development Travel Award from the Anxiety Disorders Association of America.


Lydia Gomez Pérez, Ph.D. (2010)

Lydia was as a postdoctoral fellow under Dr. Gordon Asmundson's supervision from 2010 to 2013. She received her Bachelor's of Psychology in 2004, and her Master's of Research in Clinical and Health Psychology in 2007, both at the University of Málaga (Spain). Her Master's thesis focused on psychological variables predicting chronic pain patients' adjustments to pain condition and treatment outcome perception. She was awarded a FPU (“Formación de profesorado Universitario”) doctoral fellowship of the Spanish Ministry of Education and Sciences to complete a doctoral research program in the Department of Personality, Assessment and Psychological Treatment of the University of Málaga. In May of 2010, she received her PhD. Her dissertation research examined differences in pain sensitivity between non-PTSD trauma- exposed individuals, trauma exposed individuals with a probable posttraumatic stress disorder (PTSD) and non-trauma-exposed individuals. Her research with Dr. Asmundson explored the comorbidity between PTSD and chronic pain, and the mutual maintenance of both disorders, as well as the potential influence of traumatic experiences over the pain system.


Murray Abrams, Ph.D. (2010)

After working for several years in the logging and cabinetmaking industries Murray enrolled at the University of Regina to pursue professional training in Clinical Psychology. His Masters research examined tonic immobility (also known as “fear paralysis”) in relation to traumatic event type and symptoms of posttraumatic stress. Murray's research interests include the effects of childhood adversity on adult health and cognitive-behavioural therapies for anxiety and pain disorders. Murray was awarded a CIHR Frederick Banting and Charles Best Canada Graduate Scholarship to complete his doctoral research which will consist of an investigation of the relationship between anxiety sensitivity and pain-related anxiety. During his Masters training, Murray completed his internship at Wascana Rehabilitation's Functional Rehab Program for which he received the Jillings Award for excellence in Clinical Psychology.


Former Staff

Gabrielle Desgagne, B.A. (Hon)

Gabrielle received her Bachelor of Arts (High Honours) in Psychology in 2015 from the University of Regina. Her honours thesis assessed the psychometric properties of a self-report measure of resiliency following trauma. Gabrielle's current research interests include adoption, identity, and resilience following traumatic exposure. Gabrielle is starting her first year as the Research Coordinator for the Anxiety and Illness Behaviour Lab.


Marissa Zerff, M.A.

Marissa received her Bachelor of Arts in Psychology from the University of Regina in 2011. She completed her Master’s degree in Educational Psychology with a focus on Learning and Development from the University of Victoria in 2014. Her thesis examined the relationship between peer victimization and internalizing problem behaviours in early childhood and how the quality of the teacher-child relationship can possibly moderate the influence by either exacerbating or protecting children from developing internalizing behaviours.

Email: marissa.zerff@uregina.ca


More AIBL Alumni

Tracie Afifi, Ph.D.

Lachlan McWilliams, Ph.D.

Peter Norton, Ph.D.

Katherine M.B. Owens, Ph.D.

Jennifer Stapleton, Ph.D.

Marc Woods, Ph.D.

Kristi D. Wright, Ph.D.

Michel F. Bonin, M.A.

Shane Kachur, M.A.

Kristen Bailey, B.A. (Hon)

Ashlee Mulligan-Joice, B.A.

Ashley Richter, B.Sc.

Jolene Sikorski, B.A (Hon)