Tamarack Staff

Tina Barrett

Tina Barrett : Executive Director & Co-Founder of TGRC

Executive Director & Co-Founder of TGRC

Missoula, Montana

Since 1994, Dr. Tina Barrett has specialized in family systems, strength-oriented and outdoor-based support following grief and trauma. Co-founder and Executive Director of Tamarack Grief Resource Center, Barrett focuses on best practices of nature-based support with trauma survivors and  family-systems. Barrett has directed various models of over 100 grief camps since 1996 in Montana and six other states. She has facilitated bereavement groups since 1995 and has assisted with group facilitator training and supervision for over 18 years. She serves on the Advisory Board for the Tragedy Assistance Program for Survivors (TAPS) and serves as a Senior Consultant for the National Military Suicide Survivors Seminar. Barrett also serves on the Leadership Team of the Western Montana Suicide Prevention Initiative. She provides interactive, inspiring trainings throughout Montana and at national conferences including Association for Death Educators and Counselors (ADEC); National Alliance for Grieving Children (NAGC); and National Bereavement Camp Conference and has published numerous chapters and articles.

Sample Community Outreach/Volunteer Activities & Scholarly Productivity:

  • Tragedy Assistance Program for Survivors Board of Advisers, Present
  • Camp Mak-A-Dream, Oncology Camp Workshop Facilitator, 2000-2008
  • National Bereavement Camp Conference, Presenter, 2011 & 2013
  • Montana Nursing Association State Convention, Presenter, 2010
  • Association for Death Educators and Counselors, Presenter, 2009, 2011, 2012, 2013, 2014, 2016
  • National Alliance for Grieving Children Symposium Presenter, 2008, 2014, 2015, 2016
  • Bike and Build: Community Workshop – Trauma Support Coordinator/Facilitator
  • Ronan School District: Personal Training - Grief In Schools
  • Plains Medical Center Educational Workshop: Supporting Grieving Kids, 2007
  • NASW Supporting Military Personnel and Families, Exhibitor, 2007
  • Group Facilitator Training: Grief after Suicide, DPHHS, 2010, 2011, 2012
  • Grief in Schools, Department of Public Health: Foster Parent Training – Kids & Grief
  • Tragedy Assistance Program for Survivors, Camp and Seminar Facilitator,  2007-Present

Sampling of Recent Specialized Trainings Include:

  • Robert Neimeyer, PhD - Lessons of Loss: Working with complicated grief, 2011
  • Association for Death Educators and Counselors, Being a Healing Presence in a Hurting World, 2012
  • Open to Hope: Grief following trauma and tragedy with Heidi Horsley, PsyD, LCSW, 2012 
  • Devastating Losses: New Understandings, New Directions, Jack Jordan, PhD, 2013
  • Grief After Suicide: Understanding Consequences & Caring for Survivors, Jack Jordan, PhD, 2013
  • Trauma Practice: Tools for Stabilization and Recovery, Eric Gentry, PhD, 2014
  • Professional Resiliency: Fitness for the Frontline, Eric Gentry, PhD, 2014
  • Montana Conference for Suicide Prevention, 2014
  • Suicide Prevention Summit, 2014
  • Association for Death Educators and Counselors, Riding the Dragon,  2014
  • Association for Death Educators and Counselors, Strengthening the Inner life of the Caregiver, 2014
  • Association for Death Educators and Counselors, Bridging Research & Practice DSM 5, 2014
  • Mindfulness in Grief: Techniques for Post traumatic Growth - 2015
  • Best Practices in Suicide Bereavement: A New National Report - John Jordan Phd; Robert Neimeyer PhD; Franklin Cook, MA, 2015
  • Considering the Loss of a Child in the Context of Grieving Couples, 2015
  •  The internal Worlds of Grieving Families - Janice Winchester Nadeau, Phd, LP, LMFT, RN FT-2015
  • Teaching about Life and Living in Death & Dying Courses - Charles Corr, PhD, 2015
  • Family Bereavement Program Effects on Bereaved Parents, Tim Ayers, PhD; Irwin Sandler, PhD, Jenn-Yun tein, PhD; Heining Cham, MA; Sharlene A Wolchik, PhD
  • Transforming Trauma - How to do this work and not completely lose our minds, Laura Van Dernoot Lipsky
  • Old Meets New, East Meets West: The Fusion of Grief Experience of Ritualization Among Chinese, Amy Chow PhD, 2015
  • Meaning Centered Grief Therapy: Theory, Practice, and Promise, Wendy Lichtenthal PhD & Corinne Sweeney, MA, 2015
  • Post Traumatic Growth Following the Loss of a Pet, 2015
  • The National Alliance for Grieving Children Literature Compilation Project: Addressing the State of Research on Childhood & Adolescent Grief, 2015
  • Suicide Assessment, Intervention, and Care with John Sommers-Flanagan, PhD, 2015
  • Social, Emotional, and Cultural Dimensions of Grief, John Sommers-Flanagan, PhD, 2015
  • Creative and Inclusive Approaches to Grief, Alesia K. Alexander, MSW, 2016
  • Suicide Bereavement Clinician Training, Jack Jordan, PhD, 2016

Publications Include:

  • Barrett, T. & Murphy, M. (2017). The dirt on sibling grief: A look at bereavement camps. In B.J. Marshall & H. R. Winokuer (Eds). Sibling Loss Across the Lifespan (pp. 184-192). New York: Routledge.
  • Barrett, C. (2012). The grief spiral. In R. A. Neimeyer (Ed.). Techniques of grief therapy: Creative practices for counseling the bereaved (pp. 347-350). New York: Routledge.
  • Barrett, T. (2012). The dirt on teen grief: Models of outdoor-based support programs for bereaved adolescents.  The Forum, 38  (2), 19-20.
  • Mayer, D. & Barrett, C. (2012). Memory Boats . In R. A. Neimeyer (Ed.). Techniques of grief therapy: Creative practices for  counseling the bereaved (pp. 351-353). New York: Routledge.
  • Thiel, C. & Barrett, C. (2012). Natural Reminders. In R. A. Neimeyer (Ed.). Techniques of grief therapy: Creative practices for  counseling the bereaved (pp. 247-249). New York: Routledge.
  • Barrett, C. (2003). Bereavement Camp: A qualitative analysis of a therapeutic program for grieving youth. Unpublished manuscript. University of MT archives.
  • Sommers-Flanagan, R; Barrett-Hakanson, T; Clarke, C; Sommers-Flanagan, J. (2000). Coping Skills for Adolescents. Journal for Specialists in Group Work, 25(2), p170-90.

Adrienne Tauses

Adrienne Tauses : Clinical Manager
(406) 541-8472

Clinical Manager

Adrienne Tauses, Licensed Clinical Social Worker, provides counseling with individuals, couples, and families, and completed her graduate degree from Columbia University School of Social Work, Advanced Placement. With over 10 years of clinical work experience, including in private practice, community health centers, oncology consultations, and wilderness and equine-assisted therapy, she works collaboratively with clients to re-access their inner strength and cultivate their resilience.
In her practice, Adrienne works from a strengths perspective with a focus on depth introspection and utilizes the healing resources that people naturally possess within. She often utilizes mindfulness-based stress reduction and focuses on identifying and redefining meaning following traumatic events and losses. She is trained in EMDR, a tool that can be beneficial in increasing post traumatic growth. Adrienne is bilingual in English and Spanish.

Specialized Trainings include:

    • PTSD and Beyond: Multimodal Approach to Treatment of Traumatic Experiences
    • EMDR (Eye Movement Desensitization and Reprocessing)
    • Level II Certified Substance Use Disorder Counselor
    • Sacred Art of Living and Dying
    • Interpersonal Neuro-Biology in Using Mindfulness Based Stress Reduction
    • Neuroscience of Self and Self Acceptance
    • Communication and Difficult Conversations in Living with Serious Illness

Aubrey Howell

Aubrey Howell : Flathead Program Manager

Flathead Program Manager

Flathead Program Manager, Aubrey Howell, helps facilitate and coordinate TGRC programming, assists with administrative functioning of the office and co-facilitates camps, workshops and groups. Aubrey attended the University of Montana and has her Bachelor of Social Work.

Specialized Trainings Include:

    • "The Dirt on Childhood Grief" TGRC Volunteer Training: June 2015
    • Community Workshop: Grief After Suicide: April 26, 2016
    • Suicide Bereavement Clinician Training Program: April 28, 2016
    • Creative & Inclusive Approaches to Grief: April 29, 2016
    •  ASIST Training: September 2018

Ariell Pirwitz

Ariell Pirwitz : Outreach & Development Specialist
(406) 541-8472

Outreach & Development Specialist

Ariell Pirwitz is an Outreach & Development Specialist. She has a BA in Organizational Communication from the University of Montana, has spent the last ten years building a small independent business, and has experience working with youth, adolescents, and adults. She has been a longtime friend, participant, and supporter.

Specialized Trainings include:

    • The Dirt on Childhood Grief: Volunteer Training: July 2018
    • ASIST Training: September 2018
    • QPR Facilitator Training: November 2018
    • Signs of Suicide (SOS) Facilitator Training: December 2018

Dawn Henderson

Dawn Henderson : Flathead Program Liaison
(406) 261-0724

Flathead Program Liaison

Dawn Henderson, Flathead Program Coordinator, understands the power of grief support and education and has great perspective from both sides of grief—as a griever and supporter since the death of her husband in 2012.  Her work in the Flathead Valley and beyond expands grief resources to those in need.

Erin Austin

Erin Austin : Assistant Director
(406) 541-8472

Assistant Director

As Assistant Director, Erin Austin coordinates and facilitates TGRC programming in Missoula and the surrounding areas, co-facilitates camps, workshops, and groups, and supports the Executive Director and nonprofit functioning of TGRC in a variety of roles. Erin brings over 5 years of experience in non-profit management, program management, outreach and partnerships with schools, and development. She was a participant in "Reimagine End of Life" week-long conference and is a Signs of Suicide Facilitator.

Specialized Trainings include:

    • Signs of Suicide (SOS) Facilitator Training


Kim Parrow

Kim Parrow : Grief Specialist
(406) 541-8472

Grief Specialist

Kim Parrow, MA, LCPC, Provides individual, couples and family grief support. She is experienced working with couples and families as they navigate family structure changes following loss. Kim uses a strengths-based approach in collaboration with each person’s unique experience with grief and healing. She is currently pursuing a doctorate in counselor education.

Specialized Trainings Include:

    • Gottman Method Couples Therapy Levels I & II - December 2015
    • U of M Workshop Series: Educating & Counseling Couples - May 2015
    • U of M Workshop Series: Counseling Children & Youth - December 2015
    • Grief Institute: Suicide Bereavement Clinician Training Program - April 28, 2016
    • "The Dirt on Childhood Grief" TGRC Volunteer Training - June 2016

Liz Manley

Liz Manley : Development & Operations Director

Development & Operations Director

Liz Manley, Development Director, adds years of experience with non-profits and foundation work, with a special emphasis in fundraising.  She has spent the past 20 years building and managing a variety of Montana based companies, which has provided her with strong relations in business and non-profit communities, as well as media networks.


Melanie Johnson

Melanie Johnson : Grief Specialist Intern
(406) 541-8472

Grief Specialist Intern

Melanie Johnson, MSW Graduate Student and Grief Specialist Intern provides counseling for children, teens, adults and families. Melanie has community crisis response, case management, advocacy and grief camp volunteer experience. Melanie is on track to graduate from Walla Walla School of Social Work in June of 2019. 

Specialized Trainings include:

    • Signs of Suicide (SOS) Training: October 2018
    • The Dirt on Childhood Grief: Volunteer Training July 2018
    • QPR Gatekeeper Training: March 2018
    • A Window Between Worlds (AWBW) Facilitator Training: April 2018
    • Supporting Those Experiencing Domestic Violence, Advocate Training: September 2017


Paula Griffith

Paula Griffith : Finance Director

Finance Director

Paula Griffith, Finance Director, manages the accounting and business operations. A previous Certified Public Accountant, she brings over 20 years of accounting and business experience to the organization. She joined TGRC in 2011 and has a Business degree from the University of Montana.

Robin Round

Robin Round : Non Profit Assistant
(406) 541-8472

Non Profit Assistant

Robin Round's strong organizational and interpersonal communication skills fits perfectly into the role of Non Profit Assistant at Tamarack Grief Resource Center. Robin has a degree in education from the University of Montana and has vast experience as an educator and a mother of four. Robin has been an active volunteer with TGRC special events and at grief camp, and is excited to use her gifts and talents to make a difference in people's lives by contributing to the mission of TGRC as part of the staff team

Sienna Speicher

Sienna Speicher : Browning Program Director
(406) 239-8472

Browning Program Director

Sienna Speicher, MA, LCPC, Browning Program Coordinator, provides grief support to individuals, families and students in the Browning area. She has experience as a school counselor in Browning,  MT, counseling in K-12 settings and has specialized in supporting Native American youth following trauma and tragedy. Sienna has served as a volunteer member of the Tamarack Grief Resource Center CARE team for many years.

Specialized Trainings Include:

    • Trauma Practice: Tools for Stabilization and Recovery - April 26 & 27 2014
    • Professional Resiliency for Care Providers - April 28, 2014
    • Suicide Assessment, Intervention, & Coping: Professional and Community Collaboration for Suicide Prevention - April 2015
    • How Shall We Then Grieve? Emotional, Behavioral, and Cultural Dimensions of Grief - April 17, 2015
    • Suicide Bereavement Clinician Training Program - April 28, 2016
    • Creative and Inclusive Approaches to Grief - April 29, 2016
    • International Critical Incident Stress Foundation: Managing School Crisis - January 2017

Tawnya Cazier

Tawnya Cazier : Clinical Support Specialist
(406) 541-8472

Clinical Support Specialist

Tawnya Cazier, MSW, supports youth, adults and couples from a strengths-based approach rooted in empowerment. Tawnya has served on the CARE Team of A Camp to Remember, and brings years of experience from her work as a Victim Advocate at the Salt Lake City Police Department and with grief and trauma at the Rape Recovery Center. She is committed to enhancing programs for diverse populations and has customized care for crisis survivors, individuals who have experienced domestic violence, LGBTQIA, immigrants, and others impacted by death, suicide, and abuse. Tawnya studied at the University of Montana, holds a Masters Degree in Social Work, and is a Clinical Social Work Licensure Candidate.

Specialized Trainings include:

    • National Domestic Violence Hotline Training
    • QPR Suicide Prevention Gatekeeper Certification
    • Mental Health First Aid Certification through MHFA-USA
    • Domestic Violence Live Responder Training
    • Rape Crisis Response Training
    • The Dirt on Childhood Grief: Volunteer Training: July 2018
    • ASIST Training: September 2018
    • Signs of Suicide (SOS) Facilitator Training: December 2018

Nonprofit Coordinator Position Announcement


Hannah Stone

Hannah Stone : Of Counsel

Of Counsel