Tayyab Rashid
Introduction
Tayyab Rashid is a Toronto-based licensed clinical and school psychologist best known for co-developing Positive Psychotherapy (PPT), a strengths-based treatment for depression and distress, with Martin Seligman during a postdoctoral fellowship at the University of Pennsylvania's Positive Psychology Center. The 2006 paper that introduced the approach — Seligman, Rashid and Acacia Parks, in American Psychologist — is among the most cited articles in positive psychology, and the clinician manual and workbook Rashid later wrote with Seligman (Oxford, 2018) remain the field's most complete treatment protocol. Rashid has since adapted the model for schools as Strengths-Based Resilience and applied it in refugee, post-disaster and low-resource settings, making him one of the relatively few figures in positive psychology whose work is tested as often outside wealthy Western samples as inside them.
Early Life and Education
Originally from Pakistan, Rashid completed his undergraduate studies at Government College, Lahore, before moving to the United States. He earned his PhD in clinical psychology from Fairleigh Dickinson University in New Jersey in 2004, with clinical training at Rutgers University, Montclair State University, the Pratt Institute and Youth Consultation Service in New Jersey, and a drug and alcohol counselling placement at Pratt. He then completed an APA-accredited pre-doctoral internship at the Counseling and Psychological Services centre of the University of Pennsylvania (2003–04), followed by a postdoctoral fellowship at Penn's Positive Psychology Center (2004–05) under Seligman. It was during that single postdoctoral year that he devised and empirically validated the first version of Positive Psychotherapy.
Academic and Professional Career
Rashid worked as a school and clinical psychologist for the Toronto District School Board from 2005 to 2010, conducting more than 250 culturally responsive psychoeducational assessments in high-priority schools including Regent Park, Rexdale and Scarborough. From 2011 to 2022 he was a psychotherapist at the Health and Wellness Centre of the University of Toronto Scarborough, where he established one of Canada's largest longitudinal databases on young adult mental health, led the development of a fully online intake and outcome system incorporating both symptoms and strengths, and served as associate faculty in the graduate department of psychological clinical science. He co-chaired a national campus mental health community of practice that fed into Canadian student mental health policy, and was the inaugural president of the Clinical Division of the International Positive Psychology Association, which gave him its Outstanding Practitioner Award in 2017.
In 2022 he joined the Centre for Wellbeing Science at the University of Melbourne, teaching in its Master of Applied Positive Psychology programme, before returning to Canada in late 2023 to rejoin the Toronto District School Board as a school psychologist. He is a faculty affiliate of the Human Flourishing Program at Harvard University, a visiting scientist at the Harvard Chan School of Public Health, and a faculty member at the VIA Institute on Character. Since 2022 he has led a five-year, CAD $3 million project funded by Global Affairs Canada with the International Development Relief Fund, training educators and community leaders in Guyanese schools and community mental health centres.
Major Contributions to Psychology
Positive Psychotherapy
PPT inverts the usual question asked in therapy. Rather than beginning with what is wrong and hoping that well-being follows from the removal of symptoms, it asks what is strong and treats the building of positive resources as a direct route to symptom reduction. The protocol runs to roughly fifteen sessions and combines established positive exercises — the gratitude visit, three good things, using signature strengths in a new way, best possible self, savouring, active-constructive responding — with a systematic character strengths profile built on the VIA classification.
The crucial design decision, and the one Rashid has defended most often, is that PPT does not substitute positives for negatives. The manual instructs clinicians to work with the client's trauma and distress directly, and Rashid and Howes have written that the approach proceeds "without dismissing, minimizing, or hastily replacing negatives with positives." The first trial reported higher remission rates for PPT than for either treatment as usual or treatment as usual plus medication, with gains on depression maintained at one-year follow-up.
Strengths-Based Resilience
Beginning around 2010, Rashid adapted PPT for schools as Strengths-Based Resilience, developed with Jane Gillham and Afroze Anjum in Toronto high schools and outpatient settings. The adaptation earned the University of Toronto's Excellence in Innovation Award (2015), a Canadian Association of College and University Student Services award (2018), and a $225,000 grant from Ontario's Ministry of Colleges and Universities; a manual and workbook followed in 2025. Rashid has also applied strengths-based work with people diagnosed with borderline personality disorder, where two-thirds of participants in his three-year study had a history of abuse and ninety per cent a history of self-harm.
Cross-cultural and humanitarian application
Rashid has trained mental health professionals in more than twenty-five countries and provided support after the 9/11 attacks, the 2004 Asian tsunami, and to Syrian refugees, journalists in conflict zones, educators in Ukraine and Indigenous communities in Northern Ontario. His Guyana programme includes a two-day culturally adapted suicide prevention training; the reported decline in suicide rates in participating regions is preliminary but has attracted attention precisely because culturally adapted, strengths-based models are rarely tested at that scale.
Major Publications
- Seligman, M. E. P., Rashid, T., & Parks, A. C. (2006). Positive psychotherapy. American Psychologist, 61(8), 774–788.
- Rashid, T., & Seligman, M. E. P. (2018). Positive Psychotherapy: Clinician Manual. Oxford University Press.
- Rashid, T., & Seligman, M. E. P. (2018). Positive Psychotherapy: Workbook. Oxford University Press.
- Rashid, T., & Howes, R. N. (2016). Positive psychotherapy: Exploring the interface between positive psychology and psychotherapy. In S. Joseph (Ed.), Positive Psychology in Practice.
- Rashid, T., Gillham, J., & Anjum, A. (2025). Strengths-Based Resilience manual and workbook.
Impact and Legacy
Rashid's central achievement was giving positive psychology a clinical protocol. Before PPT, the movement's interventions were mostly brief, self-administered exercises tested on non-clinical samples; Rashid's work made the case that strengths-based practice could be delivered to people with diagnosed depression, psychosis and personality disorders and compared against established treatments. The 2018 manual has been translated into several languages, and the field now counts dozens of randomised trials of PPT.
The case against the evidence
The trials are small, and the effects shrink when that is corrected. The 2006 study that launched PPT was a small group trial, and the broader positive-intervention literature has a documented small-sample problem. A 2019 reanalysis in PLOS ONE of the two leading meta-analyses of positive psychology interventions found that once small-sample bias was taken into account, effect sizes were substantially lower than previously reported and often non-significant.
The meta-analytic picture is encouraging but thin. A preregistered meta-analysis of randomised controlled trials of PPT covering the period from its inception to February 2020 identified twenty trials with 1,360 participants. Compared with waitlist it found moderate effects on positive outcomes and on depression; compared with established treatments such as cognitive-behavioural therapy it found no significant difference. But its authors explicitly cautioned that follow-up assessments remained too scarce for most planned analyses and that results "are to be regarded with due caution in the light of low number of trials" — meaning that the long-term efficacy of PPT is not established even though its short-term efficacy is reasonably supported.
"Toxic positivity" is a real risk in strengths work. The most common clinical objection is that focusing on strengths in front of a depressed or traumatised patient pressures them into cheerfulness and implicitly blames them for their distress. Rashid's response is built into the protocol rather than bolted on: the manual forbids dismissing or hastily replacing negatives, the signature strengths work sits alongside rather than instead of the trauma narrative, and his own caseload — psychosis, borderline personality disorder, refugees — is hard to characterise as happiness coaching.
Character strengths measurement is contested. PPT depends on the VIA classification of character strengths, whose structure and incremental validity have been questioned independently of the therapy itself. If the taxonomy is less stable than assumed, the strengths profiles that drive the protocol are correspondingly less reliable.
What survives. The parts of the programme that have held up are also the parts Rashid emphasises: that positive resources can be built rather than only deficits repaired, that this can be done with diagnosed clinical populations, and that the effects appear in non-Western samples — over seventy per cent of PPT trials have been conducted outside Western populations, which is unusual in clinical psychology and is the strongest single argument in the model's favour.
Learn More
- Martin Seligman — his postdoctoral supervisor, co-author and the founder of positive psychology.
- Acacia Parks — co-author of the 2006 paper that defined Positive Psychotherapy.
- Positive psychology — the movement the model belongs to.
- Depression — the condition PPT was first tested against.
- All Psychologists — browse the full biographical collection.
References
- Rashid, T. (2009). Positive interventions in clinical practice. Journal of Positive Psychology.