About Dennis
Dennis Siefker is a Licensed Professional Counselor (LPC) in Colorado with 30 years of clinical experience. He focuses on helping people who face depression, addiction, anxiety, trauma, and relationship struggles. His style is straightforward and compassionate, aimed at practical steps rather than labels.
He helps people talk through painful events and life transitions. Sessions emphasize listening first, then working together on clear goals. Dennis uses tools that teach new skills for coping with stress, anger, and mood shifts.
How Dennis works
Clients can expect a calm, problem-solving approach that balances emotion and action. He pays attention to communication and intimacy issues, along with concerns like sleep, eating, and self-esteem. There is space to look at deeper patterns such as attachment, abandonment, or codependency.
Over his career he has worked with many complex cases that combine mental health and life stress. He brings practical strategies from cognitive and behavioral work alongside therapies that focus on emotions and relationships. Dennis also draws on mindfulness and existential ideas when people want to find meaning after loss or change.
Therapy with him is collaborative. He helps people set achievable steps, practice new skills, and build routines that support long-term change. He offers video, phone, live chat, and text-based sessions to fit different schedules and needs.
Dennis lists 9 ways of working on the entry:
What Dennis works with
The areas below are the ones Dennis selected when setting up a profile. The first few are listed as the main focus; the rest are also named.
- Addictions
- Relationship issues
- Family conflicts
Also listed
- Abandonment
- ADHD
- Anger management
- Antisocial personality
- Attachment issues
- Autism and Asperger Syndrome
- Avoidant personality
- Bipolar disorder
- Blended family issues
- Body image
- Cancer
- Career difficulties
- Co-morbidity
- Codependency
- Commitment issues
- Communication problems
- Compassion fatigue
- Control issues
- Coping with life changes
- Coping with natural or human-caused disaster
- Dependent personality
- Depression
- Disruptive Mood Dysregulation Disorder (DMDD)
- Dissociation
- Divorce and separation
- Domestic violence
- Drug and alcohol addiction
- Eating disorders
- Emptiness
- Family of origin issues
- Family problems
- Fatherhood issues
- First responder issues
- Forgiveness
- Grief
- Guilt and shame
- Impulsivity
- Infidelity
- Intellectual disability
- Intimacy-related issues
- Isolation / loneliness
- Jealousy
- Life purpose
- Men's issues
- Midlife crisis
- Mood disorders
- Narcissism
- Obsessions, compulsions, and OCD
- Panic disorder and panic attacks
- Paranoia
- Parenting issues
- Personality disorders
- Phobias
- Post-traumatic stress
- Postpartum depression
- Process addiction (porn, exercise, gambling)
- Seasonal Affective Disorder (SAD)
- Self esteem
- Self-harm
- Self-love
- Sex addiction
- Sexual assault and abuse
- Sleeping disorders
- Social anxiety and phobia
- Stress, Anxiety
- Trauma and abuse
- Traumatic brain injury
- Workplace issues
- Young adult issues
Training and background
| Register | LPC |
|---|---|
| Years in practice | 30 |
| Languages | English |
| Session format | Online: video, phone, live chat or messaging |
| Country | Colorado |
Memberships and registers are shown as supplied; they are not licences, and this directory does not verify them.
Online support options
How therapy approaches translate online
Client-Centered Therapy focuses on listening and building understanding. The therapist creates a nonjudgmental space and follows the person's concerns, which helps when someone needs to feel heard and accepted.Cognitive Behavioral Therapy, or CBT, looks at how thoughts, behaviors, and feelings connect. It teaches practical skills for managing anxiety, depression, addiction, and sleep problems through short exercises and real-world practice.
Dialectical Behavior Therapy, or DBT, teaches skills for regulating intense emotions and improving relationships. It is useful for anger, mood swings, and coping when feelings feel overwhelming.
Finding the right approach is part of the work. The therapist will collaborate with the person to choose methods that match their needs, goals, and preferences. That might mean combining listening-focused work with skill training and mindfulness exercises.
Online therapy makes these approaches more flexible. Video calls allow face-to-face conversation when visual cues matter. Phone sessions can fit into a break or require less bandwidth. Live chat and text-based messaging are useful for short check-ins, practicing skills between sessions, or when someone prefers writing. Together these formats let people access therapy in ways that fit their daily life.
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Common questions
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A practical next step
Write down two things you would want to be different in six months. That is the most useful thing to bring to a first session, whoever it is with. If you would rather start now than keep reading, online sessions are the quickest route.
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