Meet the Team
Meet the Team
Cassandra White
Cassandra has been the owner and Director of RMPS since 2013. She brings more than 20 years of experience in working with children and families to the practice. Her background and expertise in the areas of assessment and treatment of Autism Spectrum Disorders and ADHD as well as her knowledge of neurofeedback therapy and play therapy give her the broad base of knowledge to direct this multi-faceted private psychology practice.
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Cassandra’s experience and knowledge is not only academic; she is the mother of four children. Her experience of being a parent of four children makes her a very practical and realistic therapist. She understands the demands of parenting and does not rely on “book knowledge” or recommendations that appear unattainable for parents. She prides herself in understanding both the needs of the parents and the child. She looks for ways to enhance family functioning so that parents can feel competent and successful in their difficult jobs of raising children with a variety of complex needs.
Maigan Birse
Maigan has worked in the field of child, adolescent and adult mental health for the last 14 years, becoming a Registered Psychologist with the College of Alberta Psychologists in 2014 after receiving her Masters in Applied Counselling Psychology from the University of Calgary in 2012.
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Maigan utilizes many different modalities in her work with clients and families, including Cognitive Behavioural Therapy, Emotion-Focused Therapy, Dialectical Behavioural Therapy, Directive and Non-Directive Play Therapy, and Solution-Focused Therapy. Maigan believes that “connection with others can be one of the most important factors in creating resilience in children and their families”.
It doesn’t stop there, as Maigan has an interest in pursuing more assessment experience and in being certified in trauma-focused therapy.
Cecilia Hnatiuk
Cecilia is one of our part-time office administrators, and one of the voices you may speak with when you call RMPS.
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Shamir Ladhani
Shamir joined Rocky Mountain Psychological Services (RMPS) in 2018 as a Business Consultant and is currently serving as Senior Business Consultant. Being an engineer, he gets excited about evidence-based technologies applied at RMPS to help individuals improve self-regulation, manage ADHD symptoms and enhance their abilities to function at their peak in personal and professional settings.
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Shamir is a former Vice-President of a Calgary-based Fortune 500 engineering company. After achieving standing as a HeartMath(R) Certified Trainer and HeartMath(R) Certified Coach, he was invited to speak on local, national and international stages featuring notable authors and speakers in Italy, Germany, Czech Republic, Mexico and the United States. He is a proud father of two daughters, a supporter of the Calgary Distress Centre, an award-winning stage actor, business growth consultant and a leadership coach and trainer.
Kellie Lanktree
Kellie is a Registered Psychologist with the College of Alberta Psychologists. She completed a Bachelor of Child and Youth Care with the University of Victoria and a Master of Education in Counselling Psychology through the University of Lethbridge.
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Elizabeth (Liz) McLeod
Liz is another of the helpful voices you hear when you contact RMPS. Liz’ experience in customer service and administration spans over 15 years. With this experience Liz understands what is needed to ensure clients and staff feel heard and understood while getting their needs met quickly and efficiently.
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Helena Morris
Helena Morris is a Registered Psychologist with the College of Alberta Psychologists. Helena holds a Master’s in Counselling from the University of Victoria, and she specializes in providing counselling and psychotherapy to children, youth and families who are facing various challenges and mental health concerns.
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Helena has experience working with a wide range of presenting issues including anxiety and depression, Attention Deficit Hyperactivity Disorder (ADHD), Autism Spectrum Disorder, addictions, trauma and behavioural concerns. She also has training and experience in suicide intervention and prevention and non-suicidal self-injury. Helena has worked within a variety of settings including crisis residential programs, schools and mental health centres.
Kelsey Moss
Kelsey is a Psychological Assistant at RMPS, specializing in Biofeedback. She completed her Bachelor of Science in Psychology from the University of Victoria in 2019, and is currently a Master of Arts in Counselling Psychology student with Yorkville University.
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Katie Musgrove
Katie is a Registered Provisional Psychologist with the College of Alberta Psychologists and a member of the Alberta Psychological Association . She completed both her undergraduate degree in psychology and Master of Education (Counselling Psychology) at the University of Lethbridge.
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Katie is a neurodiversity and LGBTQ+ affirming practitioner, and practices using a strength-based and empathetic approach to working with clients. Katie draws from a variety of modalities, including Synergetic Play Therapy, emotion-focused therapy, Cognitive Behaviour Therapy, and Dialectical Behaviour Therapy, and often incorporates non-directive and directive play, art, and mindfulness into session. Katie is also a Certified AutPlay Therapy Provider and a Certified Safe & Sound Protocol Provider.
Crystal Popke
Crystal is a Registered Psychologist with the College of Alberta Psychologists and a member of the Psychologists’ Association of Alberta. Crystal has completed a Bachelor of Biological Sciences and a Bachelor of Religious Studies with the University of Calgary and a Master of Arts in Counselling Psychology through Yorkville University.
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Adrianna Rabeda-Kowalczak
Adrianna is a Registered Provisional Psychologist who thrives on listening to her Clients’ stories. She specializes in assessment, neurofeedback, and counseling, and is always excited to learn more! She holds an M.Sc. in Neuropsychology and Clinical Psychology.
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Denise Riewe
Denise has completed a Bachelor of Health Sciences through the University of Lethbridge and a Master of Counselling with Athabasca University. She is a Registered Provisional Psychologist with the College of Alberta Psychologists and a member of the Psychological Association of Alberta.
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She practices from a client-center approach supported by Cognitive Behaviour Therapy, Dialectical Behaviour Therapy, Theraplay, and other play and art-based modalities.
Amanda Stoner
Amanda is a Registered Psychologist with the College of Alberta Psychologists. Amanda earned her doctoral degree in Psychology at Brock University in Ontario in 2017, with a specialization in developmental psychology. Amanda provides formal assessment services at RMPS.
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Helena has experience working with a wide range of presenting issues including anxiety and depression, Attention Deficit Hyperactivity Disorder (ADHD), Autism Spectrum Disorder, addictions, trauma and behavioural concerns. She also has training and experience in suicide intervention and prevention and non-suicidal self-injury. Helena has worked within a variety of settings including crisis residential programs, schools and mental health centres.
Barbara Tkachenko
Barbara is a Psychological Assistant at RMPS. She is finishing her Masters of Counseling degree through City University in Seattle. Barbara recently completed her Masters of Counseling internship at RMPS. Prior to completing her Masters Degree, Barbara completed her bachelor’s degree in psychology at the Federal University of Bahia in Brazil.
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Misha Waheed
Misha is a Registered Provisional Psychologist who provides treatment for a variety of concerns, including anxiety, depression, stress, life transitions, and relationship issues. In the last 10 years, she has worked with children, youth, and adults who have experienced complex trauma and associated mental health concerns.