Meet Our Team

Headshots_Russell_Pysch_DR_2014_624Dr. Alex Russell

Ph.D., C.Psych.

Dr. Russell is a clinical psychologist, registered with the College of Psychologists of Ontario. He provides assessments and psychotherapy to children, adolescents, and adults, and consultation and supervision to schools, teachers and psychologists. He is a popular public speaker and is the author, with Tim Falconer, of Drop the Worry Ball: How to Parent in the Age of Entitlement.

Dr. Russell received his Ph.D. In Clinical Psychology from the New School for Social Research in New York in 1997, and then completed a two year post-doctorate fellowship at the Hincks Institute in Toronto in 1999. Dr. Russell has also completed clinical placements at the Karen Horney Therapeutic Nursery, St. Vincent’s Medical Centre, and the Toronto Hospital. His past research activities include the development and evaluation of an early intervention family therapy program serving families with children at risk, articles on children’s emotional development, and serving on the editorial board of Ideas: Emotional Well-Being in Child Care, a national journal of early childhood educators.



Headshots_Russell_Pysch_DR_2014_807Dr. Matteo Renelli

Psy.D., C.Psych.

Dr. Renelli is a clinical psychologist, registered with the College of Psychologists of Ontario. He received his Doctorate in Clinical Psychology and Master of Arts in Counselling Psychology from Adler University in Chicago.

Dr. Renelli completed his pre-doctoral internship at the Hincks Dellcrest Centre, where he conducted assessments, and provided therapy to children, adolescents and their families. He also completed externships at the Peel Regional School Board, Adler Trauma Therapy Clinic and in several private practices in the Greater Toronto Area. In addition to conducting assessments and therapy with children, adolescents, adults and families he also co-facilitates parenting groups, leads workshops and has presented to parents and educators at schools across the GTA. He also appeared as a guest on the Gradiva award winning series, The Talking Cure. Dr. Renelli conducted research in the area of mindfulness meditation and hypnosis. He is also a past Board Member at a local independent elementary school in Toronto.

Headshots_Russell_Psych_DR_2014_1072Dr. Dina Lafoyiannis

Ph.D., C.Psych.

Dr. Lafoyiannis is a clinical and school psychologist, registered with the College of Psychologists of Ontario. She is experienced in providing psychoeducational and social emotional assessments, as well as psychotherapy to children, adolescents, adults and families. Dr. Lafoyiannis received her Ph.D. in Clinical Developmental Psychology from York University.

In addition to working at the Russell Psychology Practice, Dr. Lafoyiannis is as a staff psychologist at the Hincks-Dellcrest Centre, a community mental health treatment and training centre.  She is an Adjunct Clinical Supervisor for the University of Toronto OISE, as she provides clinical training to Psychology practicum students and interns. Dr. Lafoyiannis’ clinical experience includes working for the The Hospital for Sick Children, the Dufferin-Peel School Board, as well as placements at the Centre for Addiction and Mental Health (CAMH) and Holland-Bloorview Rehabilitation Hospital.  Her doctoral  research measured cognitive outcomes of children with Multiple Sclerosis at The Hospital for Sick Children.


Lindsey Keyfitz 

Ph.D., C.Psych. 

Dr. Lindsey Keyfitz is a clinical psychologist, registered with the College of Psychologists of Ontario. She holds a Ph.D. in Clinical Developmental Psychology from the University of Guelph. She provides comprehensive assessments to children and adolescents, as well as psychotherapy to individuals across the lifespan.

In addition to working at the Russell Psychology practice, she also works in child and adolescent mental health at Credit Valley Hospital. Dr. Keyfitz has experience working in inpatient and outpatient hospital settings with children, adolescents and adults, as well as with residential and outpatient youth at a community mental health centre. In these settings Lindsey conducted complex assessments and individual, group, and family interventions. She trained at Vanier Children’s Services, Victoria Hospital, and Parkwood Institute in London, Ontario. She also completed clinical placements at the Toronto District School Board, the Hincks-Dellcrest Centre, and the Centre for Psychological Services. 

Dr. Keyfitz conducts research in positive clinical psychology, and is passionate about integrating strengths and resilience frameworks into every aspect of her work.