Ms Kalliopi Mantzavinou
Licensed Psychologist
“I am a licensed psychologist, psycho-oncologist, clinical neuropsychologist and certified rehabilitation counselor (CRC), accredited by the US Commission, with professional experience in Greece, Luxembourg and US, specialized in helping people with disabilities, neurological disorders and mental health issues.”
- Luxembourg
- Hesperange
- Howald
- Ms Kalliopi Mantzavinou
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About Me
Approach
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In-person & Online
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Services Offered:
Consultation
An initial meeting with a therapist to discuss concerns, ask questions, and determine whether they are the right fit.
Counseling
A form of talk therapy providing a safe, confidential space to explore feelings, thoughts, and behaviours with a trained professional.
Learn more about CounselingGroup Therapy
Therapy conducted with a small group of people who share similar concerns, using peer interaction and diverse perspectives as part of the healing process.
Learn more about Group TherapyOnline Therapy
Therapy sessions conducted over video call, phone, or secure messaging, using the same professional methods delivered remotely.
Learn more about Online TherapyPain Management
Psychological approaches to chronic pain that address the emotional, cognitive, and behavioural dimensions of living with persistent pain.
Rehabilitation (Cognitive)
Structured programmes to restore or compensate for cognitive abilities (memory, attention, problem-solving) after brain injury or illness.
Stress Management
Techniques and strategies for managing the body and mind's response to excessive demands, including relaxation, cognitive restructuring, and lifestyle changes.
Learn more about Stress ManagementPersonal Development
The ongoing process of self-awareness, self-improvement, and reaching one's potential, pursued not because something is wrong but to live more fully.
Works With:
- Adolescents
- Adults
- Children
- Couples
- Families
- Groups
- Individuals
- Organisations
- Parents
Area of Expertise
Scope of Practice:
Life Transitions
Major life changes, such as relocation, retirement, parenthood, or career shifts, that disrupt routine and require psychological adjustment.
Learn more about Life TransitionsAdolescent Therapy
Therapy designed for teenagers, using age-appropriate methods to address issues like anxiety, identity, peer pressure, and family conflict.
Learn more about Adolescent TherapyAlzheimer's / Dementia
A progressive brain disease that causes memory loss, confusion, and decline in thinking skills, eventually affecting the ability to carry out everyday tasks.
Learn more about Alzheimer's / DementiaAnger
An intense emotional response to perceived threat, injustice, or frustration that, when persistent or uncontrolled, can damage relationships and well-being.
Learn more about AngerAnxiety
Persistent worry, nervousness, or fear that is disproportionate to the situation and interferes with daily functioning.
Learn more about AnxietyBrain Injury
Damage to the brain caused by external trauma or internal events (e.g., stroke), which can affect cognition, emotions, personality, and physical abilities.
Learn more about Brain InjuryCancer Support
The psychological and emotional impact of a cancer diagnosis on the individual and their loved ones, including fear, grief, and adjustment to treatment.
Chronic Illness
A long-term health condition (e.g., diabetes, autoimmune disease, chronic pain) that persists over time and affects physical, emotional, and social well-being.
Learn more about Chronic IllnessMood Disorder
A category of mental health conditions, including depression and bipolar disorder, in which a person's emotional state is significantly and persistently disrupted.
Learn more about Mood DisorderEating Disorders
A group of conditions, including anorexia, bulimia, and binge eating, involving disturbed eating behaviours and a distorted relationship with food and body image.
Learn more about Eating Disorders
Professional Title:
Licensed Psychologist
A psychologist licensed to independently assess, diagnose, and treat psychological conditions.
Credentials
Registrations
Qualifications
Panteion University of Social and Political Sciences, Department of Psychology
National & Kapodistrian University of Athens, Faculty of Medicine in cooperation with Montreal Neurological Institute (MNI), Mc Gill University, Canada
Hofstra University, School of Education and Human Services, Long Island, New York, United States of America
ULB, UMONS, ULg
Service Areas

Howald, Hesperange, Luxembourg