​​Callista Chasse, MSW, RSW


My name is Callista Chasse and I am a Master's level Registered Social Worker. I completed both my BSW and MSW degrees with the University of Calgary and was the proud recipient of the Gayle Gilchrist James and Richard F. Ramsay Gold Medal in Social Work in 2013. I am passionate about supporting people on their journey to healing and personal fulfillment in various capacities including individual counselling, group therapy and community development.  I aim to build a genuine and compassionate professional relationship with you as we work towards your well-being. I believe that no two people are the same and therefore draw on strategies from various therapeutic approaches to meet your needs. I take a humanistic and anti-oppressive approach to counselling, combining knowledge from person centered, experiential, and somatic therapies, as well as other models. I am also passionate about art-making as a process for personal and broader social change and infuse this knowledge base in my work. 

My areas of practice include grief & loss, intimate partner violence, life transitions, gender identity and sexuality, workplace stress, interpersonal issues, depression and anxiety as well as other mental health problems. 

In my spare time I love to dance, spend time with my family, read novels, head to the movies with friends and devour way too much popcorn.  

I am currently offer appointments Wednesday and Thursday evenings.

Carly Sharpe, M.Ed., R. Psych


My name is Carly Sharpe and I am a Registered Psychologist and one of the owners of Lethbridge Counselling Services.


I have a B.A. in Psychology and a M.Ed. in Counselling Psychology. My areas of interest include: trauma, obsessive-compulsive disorder (OCD), social anxiety,  disordered eating, depression, anxiety, adult ADHD, sexual/gender identity, and life transitions. The main approaches I draw from in my practice are Cognitive Behavioural Therapy, Narrative Therapy, Solution-Focused Therapy, body-centered therapies, EMDR, Mindfulness, relational-based and psychodynamic based approaches. I also enjoy working with groups. I have co-facilitated groups for mandated domestic violence offenders and for general anger. I am also certified in Critical Incident Stress Management (CISM), and can train individuals in Mental Health First Aid. 

In my spare time you can find me exercising, hanging out with my family, and reading. I also love winter and anything that goes along with it! I am passionate about my work and love learning. 

I offer appointments one morning and one evening per week.


Jeannette Moldon, MSW, RSW


My name is Jeannette Moldon and I am Master's level Registered Social Worker (Clinical) and am one of the owners of Lethbridge Counselling Services.. My areas of practice include trauma/attachment, depression/anxiety/stress, grief/loss and relational counselling. I am trained in EMDR and Cognitive Behavioural Mindfulness Stress Reduction. I have worked in the local community as a private practice therapist for over 15 years, providing individual, couples, family and group counselling. I also enjoy teaching as a sessional instructor at the University of Calgary/Faculty of Social Work and has supervised students as well. ​


In my spare time, I enjoy spending time with my two children and practicing yoga.

I offer both daytime and evening appointments during the week.


Mark Bruce, M.Ed., R. Psych


My name is Mark Bruce and I am a Registered Psychologist with a M.Ed in Counselling Psychology. I have 6 years of experience and specialize in Cognitive Behavioural Therapy and Emotionally Focused Therapy. I take a person-centred, strength-based approach. Most of my experience comes from working with individual adults with such challenges as anxiety, depression, stress, grief, domestic violence, adult attachment issues, and relationship issues, but am interested in working with couples, which I am currently seeking training in. 

When I'm not at work I enjoy spending time with my wife and five children, usually outdoors (hiking, camping and fishing). I also enjoy playing volleyball, soccer, and floor hockey. When I have time I like to try playing video games, and I've been accused of being a huge Star Wars, and Lord of the Rings nerd. 

I currently offer appointments during the day and offer evenings as well.

Our Team

Amy Marco, M.C., R. Psych

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My name is Amy Marco, and I am a Registered Psychologist.  I have been working in the health care field since 2006 when I began my career as a nurse. Since that time I have also acquired a Bachelor’s degree in Health Sciences with a major in Addictions Counselling, as well as a Master’s degree in Counselling Psychology. 

My areas of practice include trauma, attachment issues, sexuality and gender identity, domestic and sexualized violence, anxiety (social, phobias, generalized, panic), depression, and personality disorders. I also provide counselling for workplace stress and life transitions, addictions, self-esteem issues, physical health concerns, grief and loss, and relationship issues.

In my practice I use a variety of therapeutic approaches, such as Cognitive Behavioural Therapy, Hakomi and other body centered therapies, EMDR, Dialectical Behaviour Therapy, and psychodynamic approaches.  I also draw on solution focused and transactional analysis to inform my work. I have a great deal of experience co-facilitating group therapy for trauma, addictions, as well as for social anxiety and self-esteem. My background in nursing provides me with knowledge of physical health processes and pharmacology, which I incorporate into my practice.  Additionally, I have a strong background in presenting, research and writing, which I enjoy participating in as an adjunct to my counselling practice. 

Work-life balance is particularly important to me, and I dedicate many hours to nourishing my personal hobbies and relationships. In my spare time I can be found reading, knitting, gardening, dancing and singing, and spending time with my family and friends.

I currently offer morning appointments and late afternoon/early evening appointments two days per week.

Erin Musick, M.C., R. Psych


My name is Erin Musick and I am a Registered Psychologist and one of the owners of Lethbridge Counselling Services. I have been working in the counselling field since 2006 and hold a Bachelor of Arts (with Honours) degree in Psychology and a Master of Counselling degree (Counselling Psychology).


My areas of practice include sexual violence, attachment issues (historical childhood trauma), domestic violence, body image, disordered eating, developmental processes, sexuality and other trauma issues. I also enjoy working with anxiety, depression, adult ADHD, life transitions  fears and phobias. I am trained in EMDR (Level I, Level II and Advanced Training in Very early Trauma & Neglect) and am also interested and trained in some body oriented therapies including Hakomi. Other therapeutic modalities that I draw from include Cognitive-Behavioural Therapy, Solution-Focused Therapy, Systems approaches, and overall, I take a very person-centered approach. 


I really enjoy supervision and have also supervised Master’s Level students during their practicum experiences. I love to support people in their learning and personal and professional development. I have a strong background in training and teaching in the areas of suicide prevention, psychology, women and gender studies, family violence and human service policy. 


In my spare time, I enjoy spending time with my significant other, two children, two dogs and two cats. I also love music and can be found singing in my car wherever I go and dancing whenever I can. Sunshine makes me smile and I enjoy spending time outside in the warm weather months here in southern Alberta.


I am currently NOT taking new clients as my caseload is full.


Melissa AG Mountain, MC: AT(Art Therapy), R Psych 


My name is Melissa Mountain and I am a Registered Psychologist with the College of Alberta Psychologists. I have a Bachelor of Arts in Psychology and a Master of Counselling Psychology, specializing in Art Therapy and have been working in the counselling field for over 28 years.

I greatly enjoy supporting clients of all ages to address a variety of issues including the effects of trauma, interpersonal violence, anxiety, depression, substance abuse, grief and loss, and the interweaving of these issues. 

Grounded in a person-centered foundation, I employ expressive and creative approaches including Art Therapy, Narrative therapy, Cognitive Behavioural Therapy, Somatic, mindfulness and EMDR to help clients access their inner resiliency and creativity and facilitate therapeutic healing. 

When I’m not working, I greatly enjoy spending time with my family camping, hiking, fishing or skiing. I also make time to nourish my soul by going for a run or by engaging in creative arts.

I offer appointments one morning and one evening per week.

Joanne Peterson, M.,C., Registered Provisional Psychologist


My name is Joanne Peterson and I am a Registered Provisional Psychologist. I have a B.A. in Psychology and a Master’s degree in Counselling Psychology. My areas of interest include working with couples and individual adults in the areas of stress management, anxiety, depression, grief and loss, relationship issues, communication, trauma, domestic violence, and life transitions.

Therapeutic approaches I draw from include Cognitive Behavioural Therapy, Relational Therapy, Person-Centered Therapy, Solution-Focused Therapy, Existential Therapy, and Positive Psychology. When working with couples, I draw from the therapeutic approaches of Gottman Couples Therapy, Family Systems Therapy, and Emotion Focused Therapy.

As a counsellor, my mission is to provide a caring, safe, and welcoming environment where clients are encouraged to explore past and present life challenges. I stand for equality, diversity, and empowerment. I value being present with my clients and believe the greatest strengths that I offer are my genuineness, insightfulness, and compassion.
In my spare time I enjoy connecting with my family and friends, taking walks in nature, and being around animals of all sizes and shapes.

I see clients Tuesday's and Wednesday's during the daytime hours.

Lethbridge Counselling Services


Kaylee Olderskog, M.Ed, Registered Provisional Psychologist


My name is Kaylee Olderskog. I am a Registered Provisional Psychologist. I have a B.A. in Psychology/Women and Gender Studies and M.Ed. in Counselling Psychology. My goal as a counsellor is to create space to explore challenges, seek solutions and clarity, and celebrate successes. I value a sense of curiosity, creativity, and collaboration in my practice working from a person-centered, strength-based approach.

My areas of interest include working with children, adolescents, and adults in the areas of anxiety (social/generalized), depression, stress management, relationships, trauma, attachment, self-esteem/personal identity, and personal growth.  The main therapeutic approaches I draw from include Cognitive Behavioural Therapy, Psychodynamic, Narrative Therapy, mindfulness and somatic/body-centered based approaches, expressive arts, and I am trained in EMDR (Level 1 and 2).

In my spare time I enjoy riding my bike, enjoying nature, curling, and I’m slowly learning to enjoy the game of golf!

I am accepting new clients for Saturdays during the day. 

Andrea Eng, M.Ed., R. Psych


My name is Andrea Eng. I am a Registered Psychologist with the College of Alberta Psychologists. I earned a Bachelor of Arts in Psychology and a Master of Education in Counselling Psychology. I have been working in the counselling field since 2006.
I have provided therapy services to children, adolescents and adults in both individual counselling sessions and group therapy format. I have worked with clients from various cultures, religious beliefs and backgrounds.


My approach to counselling focuses on building strong therapeutic relationships and trust with each client. I also utilize a variety of therapeutic modalities including Cognitive Behavioural Therapy, Narrative Therapy, Solution Focused Therapy, Person Centered Therapy, Trauma Informed and Mindfulness approaches.

My areas of practice include anxiety, depression, addictions, trauma, sexual violence, domestic violence, grief and loss. I also have experience with people struggling with disordered eating, personality disorders and other mental health diagnoses, relationship difficulties, life transitions and workplace stress.

In my spare time I am kept busy with my two young children.


I offer appointments Tues & Thurs evenings and Friday's during the day.


Melissa Gleeson, M.C., R. Psych


My name is Melissa Gleeson and I am a Registered Psychologist with the College of Alberta Psychologist of Alberta (CAP). I have been working in the counselling field since 2007. I have a Bachelor of Arts in Psychology and a Masters of Counselling Psychology.

I have experience working with children, adolescents, and adults in individual and group settings. My professional areas of interest include: infertility, adoption, depression, anxiety, stress management, grief/loss, life transitions, parenting and personal growth.

The main therapeutic approaches I draw from include: Cognitive Behavioral Therapy, Solution Focused Therapy, Systems Theory, Mindfulness and Positive Psychology.

In my spare time I love to spend time with family and friends. I like to be in the active in the outdoors but I also like to spend time inside snuggled up on the couch reading, crocheting, and watching movies.

I am currently available Friday afternoons.