Our clinicians

Ten licensed clinicians, each with their own specialty

Every clinician at Psychotherapy Associates is independently licensed in Nebraska, with post-graduate training in the treatment of traumatic stress and related conditions. Credentials and training below are published exactly as our clinicians state them.

Christena Baker, MSW

Christena Baker, MSW

baker@psychotherapyassoc.com

Licensed Independent Mental Health Practitioner and Certified Master Social Worker with over 40 years of experience, specializing in trauma-informed treatment.

  • Complex PTSD
  • Grief, loss & life transitions
  • Sexual abuse
  • Post-adoption adjustment
Read full biography
William Bonacker, MSW

William Bonacker, MSW

bonacker@psychotherapyassoc.com

Specializes in the treatment of trauma-related disorders with special focus upon victims of violence, abuse and stalking, and individuals with complex personality disorders. More than 35 years in public and private mental health settings.

  • PTSD & dissociative disorders
  • Borderline personality disorder
  • Threat assessment & management
  • EMDR (Level II) · Clinical hypnosis
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LauraLee Clinchard, MA

LauraLee Clinchard, MA

Clinchard@psychotherapyassoc.com

Extensive experience in emergency assessment and crisis intervention, specializing in treatment of abuse survivors and individuals with persistent mental illnesses.

  • Crisis intervention
  • Abuse survivors
  • Borderline personality disorder
  • LGBTQ & transgender populations
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Sheralyn Cox, MSW, Ph.D.

Sheralyn Cox, MSW, Ph.D.

cox@psychotherapyassoc.com

In practice since 1973, Sherry specializes in the treatment of complex post-trauma disorders, including dissociative identity disorder and borderline personality disorder.

  • Complex post-trauma disorders
  • Dissociative identity disorder
  • Clinical hypnosis (teaching consultant)
  • EMDR (Level II)
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Mark Hankla, MA

Mark Hankla, MA

mhankla@psychotherapyassoc.com

Completed his APA-approved internship at VA Eastern Kansas Health Care System in Topeka treating survivors of combat-related trauma. Facilitator of the practice's DBT skills group.

  • Combat-related trauma
  • Children & families
  • DBT group facilitation
  • Clinical hypnosis
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Sharon Knaub, M.S.Ed.

Sharon Knaub, M.S.Ed.

sknaub@psychotherapyassoc.com

Over two decades of experience in the mental health field, with extensive training in the treatment of dissociation and other post-trauma disorders.

  • Dissociation & post-trauma disorders
  • Complex personality disorders
  • Emergency crisis evaluation
  • Critical Incident Stress Debriefing
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Mark Lukin, Ph.D.

Mark Lukin, Ph.D.

drlukin@psychotherapyassoc.com

A Nebraska licensed psychologist with over 30 years of clinical experience, specializing in anxiety, depression, life transition and crisis, as well as college students.

  • Anxiety & depression
  • Life transition & crisis
  • College students
  • Meaning & purpose
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Laurie Patton, M.S.

Laurie Patton, M.S.

patton@psychotherapyassoc.com

Specialized post-graduate training in treatment of dissociative and other disorders of traumatic stress, with a long history of program leadership for seriously disturbed youth.

  • Dissociative disorders
  • Traumatic stress
  • Children & adults
  • EMDR · Clinical hypnosis
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Ron Schroeder, MA

Ron Schroeder, MA

Licensed Mental Health Practitioner and Licensed Professional Counselor who joined the practice in 2024, beginning with the strengths clients already have.

  • Person-centered & existential
  • Cognitive-behavioral
  • Wholistic approach
  • Strength-based methods
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Melanie Tonniges, MA

Melanie Tonniges, MA

Licensed independent mental health practitioner and certified professional counselor experienced with adolescents, teenagers, students, and adults.

  • Adolescents & teens
  • Anxiety, depression & self-esteem
  • Grief & trauma
  • ADHD & family dynamics
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Office staff

Cindy Luth, Office & Accounts Manager

Cindy has been with Psychotherapy Associates since 2005 and has been working in mental health offices for over three decades.

In her spare time, she enjoys spending time with her family and especially enjoys attending her grandchildren's sporting and school events. Her Shih Tzu's also keep her busy and she enjoys making a variety of crafts as well.