Our Team at Cobb & Associates Inc.

Dr. Nathan Cobb, Ph.D. in MFT, RMFT, R.Psych

Nathan Cobb

Dr. Nathan Cobb has 20 years experience in the counselling field. He earned his M.Sc. and Ph.D. degrees in Marriage and Family Therapy from Brigham Young University and is a Registered Psychologist and Registered Marriage and Family Therapist in Alberta. Dr. Cobb's clinical specialties are couples therapy and addictions treatment. Read more ...

Dr. Nathan Cobb's Professional Biography

articles written by dr. nathan cobb

My Theory of Change
Couple Communication Tips
Fair Fighting Rules for Couples

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Diane Gibson, MA, Registered Provisional Psychologist

Diane Gibson

Diane Gibson is a Registered Provisional Psychologist with the College of Alberta Psychologists. Diane received her Bachelor of Arts degree in Sociology at the University of Western Ontario and her Masters in Counselling Psychology from Athabasca University. Diane is influenced by the strengths-based theories of narrative, family systems, John Gottman, and IP-scope (patterns of communication). Diane has recently been published in the Journal of Contemporary Family Therapy (Ambiguous Roles in a Stepfamily: Using Narrative Practices with Parents and Adolescents to Develop a New Family Story;  D. Gibson, 2013, doi: 10.1007/s10591-013-9258-2). Diane has a passion for Couple and Family Therapy with experience in traditional, step-, blended-, and LGBQT. Diane has worked with adolescents in a middle school environment and with children, families, and couples at the Calgary Family Therapy Centre under the direction of Dr. Karl Tomm. She has completed training in Gottman Method Couples Therapy.

Graduate Developmental Model of Couples Therapy

Graduate of The Developmental Model of Couples Therapy Training under Ellyn Bader Ph.D. at The Couples Institute



Please note that appointments with Diane Gibson are currently booked only as online counselling sessions (or e-therapy), not as in-person visits. You must be a resident of Alberta to schedule an online counselling session with Diane. If you would prefer an in-person visit with one of our other counsellors at our office in Calgary, please review the other biographies on this page.


Articles written by Diane Gibson, MA

Taking the First Step In Therapy
How to Use Family Rituals As Your Family Ages
Why Being a Victim Should Not be a Life Sentence
Positive Self-Talk

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Russ millington, M.A., R.Psych

Russ Millington

Russell Millington is a Registered Psychologist with the College of Alberta Psychologists. With over ten years of clinical experience, Russ has worked with many people presenting with various difficulties and struggles, including relationship issues, addictions and mental health concerns. He has been affiliated with Cobb & Associates since 2011.

Russ has over five years experience helping couples build emotional intimacy and friendship, learn to communicate more authentically and assertively, find common ground, manage conflict and anger, learn to self-soothe through relaxation and deep breathing, increase trust, and establish healthy boundaries. Russ describes his approach to couples counselling as eclectic, drawing on principles established by John Gottman's method of couples therapy, as well as concepts from attachment theory, cognitive behavioral therapy, and solution-focused therapy.

In addition to working with couples, Russ has extensive experience providing individual and group therapy services in the field of addictions treatment with Alberta Alcohol & Drug Abuse Commission (AADAC) and Alberta Health Services. While there, he specialized in mental health treatment (anxiety, depression, trauma, borderline personality disorder, etc.) and addiction concerns, including addiction to substances, behavioral and sexual addictions, relationship addiction, and the behavioral, cognitive, emotional and spiritual components of addiction, recovery, and relapse prevention planning. Russ also worked with The Chemical Addiction Management Program (CAMP House) in British Columbia which helped individuals maintain sobriety before and after treatment by providing counselling, programing and 12-step engagement (AA, CA, NA, ARP, etc.)  

Prior to receiving his Masters degree in Counselling Psychology from City University of Seattle, Russ worked closely with adults and youth diagnosed with Fetal Alcohol Syndrome and various neuro-cognitive difficulties, in both British Columbia and Alberta, where he helped such individuals to engage in programs designed to foster education stability, job opportunities and integration within the community in healthy ways that promoted self-esteem, self-confidence, and independence.

Russ has been described by former clients as warm, empathetic and understanding. He believes one of the most important elements of successful therapy is instilling hope as clients start to feel better and gain confidence that change is possible through altering patterns of thinking, feeling and behaving. Many of these changes start with small shifts -- baby steps -- in perception and attitude. He is influenced by the humanistic based theories of Person-Centered Therapy (Carl Rogers), Solution-Focused Therapy (Berg), and Cognitive Behavioral Therapy (Aaron Beck).

Click here to book an appointment with Russ Millington.



Erla Christens, M.A., Registered Provisional Psychologist

Erla Christens

Erla Christens is a Registered Provisional Psychologist with the College of Alberta Psychologists. Erla received her Bachelor of Arts degree at Concordia University in Montreal and her Masters in Counselling Psychology from Athabasca University.

Erla draws on strategies from Cognitive-Behavioural Therapy (CBT), based on the theories of Aaron Beck and Albert Ellis, to emphasize the interconnectedness of thoughts, feelings, and behaviours, and to guide and assist clients to achieve their goals for counselling in order to alleviate current distress and prevent future concerns. In addition to CBT, Erla incorporates a number of other theoretical orientations and interventions in order to accommodate her clients’ needs. These include Attachment Theory and Dialectical Behaviour Therapy (DBT), and focuses on 4 key components--mindfulness, emotional regulation, distress tolerance, and interpersonal effectiveness--as she teaches clients ways to use these skills and strategies. Erla believes that client engagement through homework and practice is an important component of therapeutic work.

Erla has provided counselling both in Europe and Canada to adolescents, adults, couples, and groups dealing with psychological trauma, depression, anxiety, relationship difficulties, codependency, self-esteem issues, emotional and sexual abuse, substance dependence, and eating disorders. Erla aims to create a comfortable atmosphere during her sessions and puts a great emphasis on monitoring the progress and outcome of therapy to ensure that therapy is benefiting her clients and serving their best interests. Erla is fluent in French and Italian, in addition to English. She has completed Level 1 of Gottman Method training for couples therapy.

Click here to book an appointment with Erla Christens.



Shezlina Haji, M.A., registered Provisional Psychologist

Shezlina Haji

Shezlina received her Bachelor of Arts in Psychology from University of Calgary, and a Master of Arts in Counselling Psychology from McGill University.  Shezlina uses an eclectic approach to counselling, primarily drawing from Emotion Focused Therapy, Person Centered Therapy, and Experiential Therapy which she uses in her work with individuals and couples. She has completed training (levels 1 and 2) with world-renowned couples therapy experts, Drs. John and Julie Gottman. Shezlina's clinical areas of interest and expertise include helping couples overcome negative cycles of conflict and communication and experience greater closeness, as well as helping individuals with anxiety, anger management, stress management, addictions, abuse, trauma, transitional difficulties, grief, depression, and relationship difficulties. 

Shezlina believes in helping clients to recognize and use their strengths to cultivate change during periods of difficulty.  She has a passion for working with individuals who are struggling in their intimate relationships. Shezlina uses evidence-based practices when working with clients to create treatment plans. She also recognizes, however, that each individual or couple unit is unique and thus personalizes her approach to best meet the needs of clients.

Articles written by Shezlina Haji

Individuality: Finding the "U" in Us

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To Book an Appointment

Just call us (403) 255-8577 or use our easy online scheduler here

If you have any questions or would like to contact us by email, you can complete a brief confidential contact form here. Once you submit the contact form, a Cobb & Associates intake staff member will respond as soon as possible.

Cobb & Associates Inc. is located in southwest Calgary (near Macleod Trail and Heritage Dr. SE). Please click here for our full address and a map to our location. We are currently accepting new clients and warmly welcome self-referrals and referrals from physicians and other professionals.

We appreciate your interest in our services and hope this information has been helpful to you. Please do not hesitate to call if you have any questions.


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