Meet Our Therapists

Therapists at Thrive are affiliate members of the group, and each has their own individual practice. Each therapist aligns with Thrive’s mission and approach, while also holding their own unique approaches to therapy. Not all therapists take the same insurance. Learn more below.

  • Muirenn Leinster (she/her), LMHC, Founder

    I am passionate about helping both clinicians and clients live their fullest, most authentic lives!

    Not accepting new clients.

    Approaches: trauma-informed, relational, existentialism, DBT/mindfulness, nervous system/somatic work, IFS/parts work, communication/skill based work.

    Issues: trauma/PTSD, anxiety, identity/self-worth, chronic illness/medical trauma, women’s issues, relationship issues, depression.

    Populations: adolescents, young adults, LGBTQIA+, healthcare workers, teachers, couples.

    Insurance accepted: Premera, Lifewise, Anthem, BlueCross BlueShield, Asuris, Regence, United/Optum. Private pay $150 per individual session; $175 per couples session.

  • Sheena Sonntag (she/her), LMHCA

    Learn to listen to and integrate the wisdom of your body, and reconnect with your full, authentic Self!

    Approaches: Holistic, trauma-informed, neurodiversity-affirming, attachment-based, somatic/nervous system, IFS/parts work, EMDR, multicultural, liberation.

    Issues: Trauma/PTSD, childhood, complex, and intergenerational trauma, neurodivergence, anxiety, depression, burnout, life changes & transitions, identity, gender & sexuality, systemic oppression, chronic illness, interpersonal issues, disordered eating.

    Populations: BIPOC, LGBTQIA+, neurodivergent, individuals 16+.

    Insurance accepted: SOON contracted with Premera, Lifewise, Anthem, and some BlueCross BlueShield plans (inquire for more info). Private pay $160 per individual session with sliding scale options.

  • Jason Koop (he/him), LMHCA

    I believe healing begins with feeling truly seen and understood. In our work together, I aim to help you reconnect with your strengths and move toward a more balanced, fulfilling life.

    Approaches: Trauma-informed, person-centered, multicultural, relational, narrative therapy, strength-based.

    Issues: Men’s issues, anxiety, depression, trauma, self-worth, sense of identity, relationships.

    Populations: Adolescents/teens, adults, Asian Americans, men.

    Second language spoken: Japanese

    Insurance accepted: SOON contracted with Premera, Lifewise, Anthem, and some BlueCross BlueShield plans (inquire for more info).

  • Rebecca Liu (she/her), LMHCA

    I love working with people seeking self-love, freedom, connection, meaning and purpose, and who long to become their full, authentic selves.

    Approaches: trauma-informed, somatic/nervous system regulation, mindfulness, multicultural, liberation, systemic, neurodivergence-affirming.

    Issues: childhood trauma, relationship and interpersonal issues, racial/cultural identity, perfectionism, self-esteem, family & cultural oppression, life changes, cancer, feeling lost/stuck, burnout, parenthood/parenting, cross-generational conflict in family.

    Populations: Asian American, immigrant, adults, mothers/parents.

    Insurance: Premera, Lifewise, Anthem, some BlueCross BlueShield plans. Private pay $150 per individual session.

  • Brenna Leisenring (she/her), LMHCA

    I care deeply about helping people feel truly seen and supported as they work toward greater self-acceptance and connection.

    Approaches: trauma-informed, relational, somatic/nervous system awareness, polyvagal-informed, self-compassion, parts work, acceptance and commitment therapy (ACT), mindfulness.

    Issues: trauma/PTSD, anxiety, depression, grief, life transitions, relationship struggles, identity/self-worth.

    Populations: adults, women, LGBTQIA+, therapists.

    Insurance accepted: Premera, Lifewise, Anthem, some BlueCross BlueShield plans. Private pay $185 per individual session.

  • Jurnee Murray (she/her), LMHCA

    I believe that within each of us is a deep wisdom, inherent knowledge, and capacity to heal.

    Approaches: trauma-informed, humanistic, holistic, DBT/mindfulness, CBT, liberation, neurodivergence-affirming, CPT, parts work.

    Issues: trauma/PTSD, generational trauma, systemic oppression, self-worth, body image, anxiety, depression, neurodivergence.

    Populations: Indigenous individuals, BIPOC, LGBTQIA+, neurodivergent, teens, young adults, elders .

    Insurance accepted: Premera, Lifewise, Anthem, some BlueCross BlueShield plans. Private pay $150 per individual session with sliding scale options.

  • Cynthia Besteman (she/her), LASW, LSWAIC

    If you’re feeling the weight of big life changes, such as divorce, cancer diagnosis, menopause, or running a business, you’re not alone!

    Approaches: trauma-informed, relational, narrative, strength-based, ACT, CBT, SFBT, EMDR.

    Issues: trauma/PTSD, cancer, chronic illness, divorce, life changes, menopause, career changes/adjustments, business ownership, anxiety, depression.

    Populations: adults, older adults, cancer patients, business owners, couples.

    Insurance accepted: Premera, Lifewise, Anthem, some BlueCross BlueShield plans. Private pay $150 per individual session; $200 per couples session.

  • Emilia Stoneham (she/her), LMHC

    Let’s explore the parts of you that had to hide to survive and uncover the version of you that was always meant to be!

    Approaches: trauma-informed, liberation, relational, psychodynamic, existential, humanistic.

    Issues: Trauma/PTSD, abuse, grief, neurodivergence, identity, systemic oppression, relationship issues, burnout, moral injury, chronic illness, death/loss, women’s issues.

    Populations: BIPOC, LGBTQIA+, couples, disabled, neurodivergent, helping professionals, individuals ages 15+.

    Insurance accepted: Premera, Lifewise, Anthem, BlueCross BlueShield, Regence, Asuris. Private pay $160 per individual session; $220-240 for intensives. Sliding scale and equity-tier options available.