Dr. Felicity Sapp, PHD. - Owner and Clinical Director

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I am a Registered Clinical Psychologist in both Alberta and Ontario, Canada with past registration in the state of California. I have worked in the area of mental health for close to 20 years with particular expertise in the area of Obsessive Compulsive Disorder (OCD) and Anxiety Disorders and working with children and adolescents. I am accredited as a Cognitive Behaviour Therapist by the Canadian Association of Cognitive Behaviour Therapy and on the Board of the Scientific Advisory Committee of AnxietyCanada. As a faculty member of the Behaviour Therapy Training Institute of the International OCD  Foundation, I provide training and supervision to therapists learning how to effectively treat OCD. I also present annual OCD and Anxiety-Related workshops and presentations in the USA and Canada.  


Throughout my career, I have practiced in a variety of different clinical settings with clients of all ages; however, my passion and natural instinct for treating clients with Anxiety Disorders and Obsessive Compulsive Related Disorders soon became apparent to me. In 2006, I specialized my practice and gained international experience treating a diversity of people and cultures with moderate to severe anxiety disorders, (in particular Obsessive Compulsive Related Disorders). I worked  in an intensive Out Patient program at a leading private anxiety treatment center in Sacramento, California where I treated clients who came from not only California but from across the United States. I saw a wide diversity of clients whose anxiety was extremely debilitating, such that they were unable to function in their everyday lives.  In addition, I had a thriving private practice specialising in the treatment of clients of all ages with Anxiety and OCD Related Disorders.   


I have extensive experience working with children and adolescents with mental health issues. Prior to working abroad, I was a staff psychologist in the Division of Child and Adolescent Psychiatry at Hotel Dieu Hospital in Kingston, Ontario. In this role, I treated children/teens with a variety of complex psychiatric issues including, mood and anxiety disorders. I  also worked in the area of Pediatric Oncology providing assessment and treatment services to children/teens diagnosed with cancer. In addition, I worked  at Queen’s University Counseling Center, and in various private practices. I was affiliated with both the Department of Psychiatry and Psychology at Queen’s University as a lecturer and provided teaching and supervision to students.


I obtained my Bachelor of Science (with Honours in Psychology) Degree from Dalhousie University, in Halifax, Nova Scotia. I graduated from Queen’s University in Kingston, Ontario with my  Master of Arts and Ph.D. in Clinical Psychology with an emphasis on developmental (child) psychology. I completed my clinical internship at the IWK Children's Hospital in Halifax, Nova Scotia.


I  have academic papers published related to child development. I have collaborated with leading clinicians in the area of Obsessive Compulsive Related Disorders and regularly publish and present internationally at conferences in the United States and Canada. I also  provide teaching and supervision to trainees as part of the faculty of the Paediatric Behaviour Therapy Training Institute for the International OCD Foundation. Closer to home, I have provided anxiety workshops in Calgary schools for both teachers and parents. 


Currently. I treat clients of all ages with both OCD and Anxiety disorders, including adults, adolescents and children in my private practice: OCD and Anxiety Psychological Services Inc. which I founded in 2008. I offer evidence based treatment in the form of cognitive-behavioural therapy (including exposure therapy, exposure and response prevention therapy and habit reversal training). I use an approach that is respectful and supportive by easing my clients into learning to face their fears at their own pace to ensure that you do not become overwhelmed. I will often use humour, when appropriate, to teach clients the necessary skills to manage their anxiety and OCD symptoms. 


In addition, I am passionate about educating and raising awareness of of the impact that OCD and anxiety can have on an individual's ability to function in everyday life.  In an effort to give back to my community, raise awareness and provide support for children, adolescents and their families suffering from OCD, I created a team - The OCD Challengers - and since September 2018 we have participated in the RBC Race for the Kids in support of the Alberta Children's Hospital and raised over $ 24K.  I have participated in advocacy efforts speaking to representatives of the Alberta government in order to raise awareness and gain support for the treatment of anxiety disorders in Alberta.


I am available to provide OCD and anxiety disorders information or workshops to communities, schools or groups. 

Carlos Sierra, MA

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Carlos is a Registered Provisional Psychologist with extensive experience working with adolescents and adults seeking treatment for anxiety disorders, Obsessive Compulsive Disorder (OCD) and associated difficulties. He specializes in Cognitive Behavioural Therapy (CBT) while integrating a variety of empirically supported treatments into his practice. Carlos offers his services in both English and Spanish.


Carlos completed his Masters of Arts (M.A.) degree in Clinical Psychology at Simon Fraser University in 2015 and expects to receive his Ph.D. degree in Clinical Psychology in the Summer of 2020. During his clinical training, Carlos received in depth-training in working with adolescent and adult populations with a variety of mental health concerns and developmental difficulties, including anxiety disorders, OCD, mood disorders, and externalizing disorders. He has extensive experience working with individuals presenting with these difficulties on one-on-one sessions, as well as in group settings. 


In his work with his clients, Carlos aims to foster an environment in which clients feels safe and respected while working collaboratively to meet their individual therapy goals. This goal-focused approach to therapy affords clients the opportunity to clearly define their goals and to take specific steps towards them. Carlos works along with his clients to support them in achieving their goals of therapy and, ultimately, to improve their quality of life. 


Carlos remains actively involved in clinical research. His scientific work is centred in understanding the factors and processes that make psychological interventions effective. Among his body of work, Carlos has investigated the effectiveness of individual and group interventions for adolescents and adults, including interventions designed to address a variety of mental health difficulties such as anxiety, mood, grief, and externalizing difficulties.