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Dennis Siefker

Dennis Siefker

Licensed Professional Counselor (LPC)

Colorado · 30 years experience · English

Accepting new clients online

About Dennis

As a licensed therapist in Colorado with three decades of experience, I specialize in supporting individuals through complex emotional landscapes. My practice focuses on addressing a wide range of challenges, including depression, addiction, relationship dynamics, trauma recovery, and personal growth.

I bring a compassionate and holistic approach to therapy, drawing from extensive clinical expertise to help clients navigate life’s most challenging transitions. Whether you’re struggling with anxiety, relationship conflicts, or seeking deeper self-understanding, I offer a supportive environment where healing and personal transformation can occur.

My therapeutic approach is grounded in understanding individual experiences, with a particular sensitivity to men’s issues, young adult challenges, and complex emotional dynamics. I am committed to helping clients develop stronger communication skills, build self-love, and overcome barriers that prevent personal growth and emotional well-being.

Through collaborative and personalized counseling, I aim to empower individuals to discover their inner strengths, heal from past wounds, and create meaningful pathways toward a more fulfilling life.

What Dennis helps with

  • Addictions
  • ADHD
  • Anger management
  • Bipolar disorder
  • Career difficulties
  • Compassion fatigue
  • Coping with life changes
  • Depression
  • Eating disorders
  • Family conflicts
  • Grief
  • Intimacy-related issues
  • Parenting issues
  • Relationship issues
  • Self esteem
  • Sleeping disorders
  • Stress, Anxiety
  • Trauma and abuse
Show 54 more areas
  • Abandonment
  • Antisocial personality
  • Attachment issues
  • Autism and Asperger Syndrome
  • Avoidant personality
  • Blended family issues
  • Body image
  • Cancer
  • Co-morbidity
  • Codependency
  • Commitment issues
  • Communication problems
  • Control issues
  • Coping with natural or human-caused disaster
  • Dependent personality
  • Disruptive Mood Dysregulation Disorder (DMDD)
  • Dissociation
  • Divorce and separation
  • Domestic violence
  • Drug and alcohol addiction
  • Emptiness
  • Family of origin issues
  • Family problems
  • Fatherhood issues
  • First responder issues
  • Forgiveness
  • Guilt and shame
  • Impulsivity
  • Infidelity
  • Intellectual disability
  • Isolation / loneliness
  • Jealousy
  • Life purpose
  • Men's issues
  • Midlife crisis
  • Mood disorders
  • Narcissism
  • Obsessions, compulsions, and OCD
  • Panic disorder and panic attacks
  • Paranoia
  • Personality disorders
  • Phobias
  • Post-traumatic stress
  • Postpartum depression
  • Process addiction (porn, exercise, gambling)
  • Seasonal Affective Disorder (SAD)
  • Self-harm
  • Self-love
  • Sex addiction
  • Sexual assault and abuse
  • Social anxiety and phobia
  • Traumatic brain injury
  • Workplace issues
  • Young adult issues

How Dennis works

  • Client-Centered Therapy
  • Cognitive Behavioral Therapy (CBT)
  • Dialectical Behavior Therapy (DBT)
  • Emotionally-Focused Therapy (EFT)
  • Existential Therapy
  • Mindfulness Therapy
  • Motivational Interviewing
  • Solution-Focused Therapy
  • Trauma-Focused Therapy

What clients say

  • “Great listener, provides excellent feedback and kind words of advice.”
  • “Dennis truly listens and offers a route for my own self to understand the problem and help get to the solution rather than just telling me the “answer”. I highly recommend Dennis.”
  • “He is very understanding for making schedules and not just that he is a great therapist. He questions your way of thinking and opens new perspectives without hurting confidence or making you over question yourself. He is very personable and kind. I haven’t had a therapist who is as good with people as Dennis is.”
Show all 15 reviews
  • “Dennis has been instrumental in helping me navigate traumatic events in my life. He's provides me the tools to manage my emotions through difficult times.”
  • “Dennis is a great and helpful listener. He doesn’t push in any one way but helps to lead you to your own goals and better patterns of thinking. Really appreciate him”
  • “Great to work with”
  • “Dennis is very professional and kind. He is attentive and seems to be thinking of ways to help me, even on days when we aren’t meeting. This enables me to be reminded of what we are working on, which helps me be ready for our session.”
  • “Dennis has been extremely helpful. He has spent a lot of time listening to our concerns and supporting us in a knowledgeable manner. We would recommend him to anyone looking for a therapist!”
  • “Good man, moving mountains”
  • “He does a great job helping identify everything that needs work”
  • “Dennis is amazing and understands how to direct the conversation when I have issues expressing myself”
  • “Dennis is a thoughtful therapist with insightful guidance.”
  • “Dennis has been amazing to work with he sees and understands what is needed to look at the real issues”
  • “Is always there to answer questions and reaches out every week before sessions just to check in”
  • “He is extremely knowledgeable and helpful provides only talk therapy, but examples of what we’re discussing work sheets everything he would need to get better.”

These reviews represent a few of the most recent positive reviews from the therapist's clients on BetterHelp. Some people's experience may be different.

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