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Current Graduate Students
Aaron Philipp-Muller M.Sc.
Doctoral Student, Clinical Psychology
University of Regina
Email | aep203@uregina.ca
Aaron completed his B.Sc. in Psychology at the University of Toronto and his M.Sc. in Neuroscience at Queen's University, where he conducted a randomized control trial combining ketamine and ICBT for the treatment of Posttraumatic Stress Disorder. For his doctoral thesis under the supervision of Dr. Hadjistavropoulos, Aaron has been studying methods for personalizing ICBT in clients with chronic health conditions, including identifying beneficial ICBT therapist behaviours as well as predicting influences on client satisfaction, engagement, and outcomes during treatment. Aaron's research interests centre on treatment accessibility and engagement with ICBT, particularly within the context of rehabilitation and health psychology.
Awards and Distinctions
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2024: Faculty of Graduate Studies Travel Award, University of Regina
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2022 - 2024: UR Scholars Entrance Scholarship, University of Regina
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2021: Usona Institute Graduate Scholarship, Usona Institute
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2021: Latham Family Scholarship, Queen's University
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2021: Franklin Bracken Fellowship, Queen's University
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2020 - 2022: Department of Psychiatry Major Project Grant, Queen's University
Alexa Danyluk M.Sc.
Doctoral Student, Clinical Psychology
University of Regina
Email | amd271@uregina.ca
Alexa completed her B.Sc. (Hons.) in Psychology at the University of Victoria and her M.Sc. in Clinical Psychology at the University of Regina. Her research interests focus on understanding adaptation to stress and adversity, particularly among vulnerable and stress-exposed populations. Her work examines social, behavioural, and psychological factors that promote resilience and protect against psychological distress, as well as the development and evaluation of interventions that strengthen these protective processes. As a doctoral student in PSPNET, her current research examines internet-delivered cognitive behavioural therapy (ICBT) for public safety personnel (PSP) with anger concerns.
Awards and Distinctions
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2025-2027: PSPNET Student Stipend
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2025: C. Jillings Graduate Aware for Excellence in Clinical Psychology
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2024: Master's Award, University of Regina
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2023: Canada Graduate Scholarship Master's Award, Canadian Institute of Health Research
Alayna Gretton M.Sc.
Doctoral Student, Clinical Psychology
University of Regina
Email | Alayna.Gretton@uregina.ca
Alayna completed a B.A. (Hons.) in Psychology at the University of Victoria and an M.Sc. in Clinical Psychology at the University of Regina. Her MS.c. research focused on understanding the experiences and effectiveness of ICBT for patients experiencing suicidal thoughts and behaviours. Alayna is also comprehensively trained in Dialectical Behaviour Therapy (DBT) and founded, led, and evaluated an online DBT program for individuals with borderline personality disorder (BPD) with the BPD Society of BC. Alayna has presented scholarly contributions at scientific conferences in Canada, the USA, and Europe. Her current work focuses on evaluating and optimizing internet-delivered Cognitive Behavioural Therapy for loneliness and developing online family psychoeducation interventions.
​Awards and Distinctions
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​2024: Faculty of Graduate Studies Travel Award, University of Regina
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2024: Saskatchewan Centre for Patient-Oriented Research (SCPOR) Student Traineeship Award, SCPOR and University of Regina
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2020: Edythe Hembroff-Schleicher Scholarship (2020), University of Regina
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2020: University Challenge Scholarship, University of Regina
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2019: Robert and Norah Wallace Commemorative Scholarship
Saba Salimuddin M.Sc.
Doctoral Student, Clinical Psychology
University of Regina
Email | ssu672@uregina.ca
Saba completed her B.Sc. (Hons) in Psychology with Management at Heriot-Watt University in Dubai, UAE, and her M.Sc. in Clinical Psychology at UofR. For her master’s thesis, Saba examined recognition of and treatment recommendations for somatic and cognitive-affective presentations of depression and anxiety in the general population. Saba’s doctoral dissertation is focused on new and expecting birthing parents' engagement with client stories in ICBT. Saba’s research interests focus on factors influencing treatment perceptions, uptake, and engagement.
Awards and Distinctions
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2025: Canadian Behavioural Interventions and Trials Network Doctoral Studentship
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2025, 2023: John Spencer Middleton and Jack Spencer Gordon Middleton Scholarship
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2024, 2023: Faculty of Graduate Studies and Research Scholarly Award, University of Regina
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2024, 2023, 2022: Saskatchewan Innovation and Excellence Graduate Scholarship
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2023: Psychology Association of Saskatchewan Student Academic Achievement Scholarship
Paige Sivell B.A. (Hons.)
Master's Student, Clinical Psychology
University of Regina
Email | Paige.Sivell@uregina.ca
Paige holds a Bachelor of Arts in Psychology (Honours) from the University of Regina. Her main research interests include evidence-based psychological treatments for mental health conditions. Her Honours thesis, supervised by Dr. Heather Hadjistavropoulos and Dr. Jill Price, examined internet-delivered cognitive behavioural therapy (ICBT) tailored to public safety personnel (PSP) with subthreshold symptoms. Paige is now a Master’s student in the Clinical Psychology Program at the University of Regina. Her Master’s thesis will examine spouses’ and significant others’ (SSO) relationship functioning, relationship satisfaction, and mental health from the perspective of PSP enrolled in the PSP Wellbeing Course.