Our Leadership

Susan Chavez
Executive Director & Founder

Susan is the founder of the Richard Lambert Foundation and has served as the Executive Director since 2013. Susan oversees the daily management of the Grief Center and its programs. Her commitment and belief that our community needs a place solely to support those who have experienced a death and are grieving has led the organization to new growth. Her vision is larger than our current capacity, and we are excited to see her dream grow. Susan is a native of Brighton, Colorado, and has been married to her husband Jaime for 25 years. She enjoys golfing, camping, reading, and spending time with their children and ten grandchildren.

JOHNA GARRISON
Executive assistant

Johna joined the Richard Lambert Foundation in 2023 as our Executive Assistant encompassing a wide range of responsibilities, all of which revolve around supporting our clients and ensuring the smooth operation of the center allowing our compassionate team to focus on providing therapeutic care and guidance. Johna has a deep empathy and a passion for helping others navigate through challenging times, and is dedicated to providing exceptional support to individuals and families seeking solace and healing in the face of grief. Johna is married and has three beautiful daughters. She and her husband have lived and served in the Brighton community for over 20 years. Johna has experienced her own journey with grief and trauma which has given her a strong respect for the mission of RLF. Johna believes that together, we strive to empower individuals, families, and communities to navigate their grief journeys with strength, resilience, and hope.


Our Clinical Team

Karl Shackelford, M.DiV, BCCC

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Karl is a Board Certified Clinical Chaplain, CPSP Counselor who specializes in grief counseling. Karl has partnered with the Richard Lambert Foundation since 2014, by leading the center’s grief workshops, seminars, and monthly support groups and seeing new clients for grief counseling. Karl worked for the Denver Hospice for over 10 years and has a passion for helping people through their grief journey. He will address your loss with sensitivity and compassion. Karl has been counseling teens and adults for over 30 years in his private practice and is highly experienced in grief, loss, relationship issues, and individual and couples therapy. Credentials

Rita Coalson, MA, LPC, NCC

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Rita is a Licensed Professional Counselor specializing in Bereavement Counseling.  Rita joined Richard Lambert Foundation in 2016 where she leads various grief support groups and self-care workshops for adults. When one’s grieving process can benefit from personalized support, Rita is available for individual counseling for both children and adults. Rita creates a safe place in which individuals can process and express grief whether from the loss of a loved one or another major life-changing event. Rita’s years of experience as a grief counselor in palliative care and hospice services give her the compassion and understanding to support and walk alongside others during such a painful journey. Credentials

Cassidy Zavala, MA, LPC, NCC, PMH-C

Cassidy is a Licensed Professional Counselor specializing in bereavement counseling. Cassidy joined the Richard Lambert Foundation in 2020. She is a certified birth and bereavement doula and has completed specialized training to support individuals through every stage of perinatal loss. Cassidy started volunteering with RLF's youth programs in 2017 and, in 2018, served as secretary on the Board of Directors. She has counseled all age groups in the hospice and palliative care setting and community mental health. Cassidy leads the center's grief support groups and is available for individual counseling for teens and adults. Cassidy believes the most essential aspect of the therapeutic relationship is meeting the client where they are and building a safe, genuine relationship that allows space for healing and growth. Every client is the expert in their own story, and Cassidy strives to be a companion on their individual journey through grief and loss. Credentials

Tiffani Garner, MA, LPC, NCC, RPT

Tiffani

Tiffani is a Licensed Professional Counselor and Registered Play Therapist who specialized in grief counseling for children, teens, and adults. Tiffani joined Richard Lambert Foundation in 2021 where she leads various grief support groups and self-care workshops for adults. She has experience working with hospice as a counselor for families who have lost a loved one to terminal illness. As a former Emergency Medical Technician (EMT), she has experience in crisis and high stress situations. Tiffani believes that grief is different for everyone and that no two experiences look the same. She values the therapeutic relationship, which consists of providing a safe, empathetic, and non-judgmental environment to process through grief and loss. Tiffani is a Colorado native and enjoys spending her down time with her husband, reading, hanging with her dogs, and finding the next vacation destination. Credentials

Program Information


  **RLF administrative and clinical staff do not provide 24 emergency care. RLF's mission is to provide grief care and is NOT intended for crisis intervention or care.

Suicide & Crisis Lifeline call or text 988
Colorado Crisis Services
1-844-493-8255 text "TALK" to 38255