Amy holds a Master’s degree in Counseling Psychology from Santa Clara University and a Master’s of Theology degree from Fuller Theological Seminary. She works from a Psychodynamic theoretical orientation and is trained in Dialectical Behavioral Therapy (DBT) and Eye Movement Desensitization Reprocessing (EMDR). She specializes in treating victims of abuse, survivors of suicide and other life traumas.
Amy helped build the Tri-Valley Counseling Center from a vision to reality and continues to facilitate the Administrative leadership, oversight and clinical oversight of the Associates. She has been a Licensed Marriage and Family Therapist for 15 years. In addition to working at the TVCC she has her own Private Practice on the Peninsula and is Care Pastor at Cornerstone Fellowship.
Debbie is a certified clinical trauma professional and a certified brainspotting therapist. She holds a Master’s degree in Counseling with a Marriage and Family Therapy option and is a Licensed Marriage and Family Therapist. She has her own Private Practice in addition to working for TVCC. She has also run a trauma recovery center for domestic violence and human trafficking. Her work is viewed through the lens of the whole person in order to promote healing from the inside out. Each person is unique, so her approach to each client is specialized to meet their individual needs.
Debbie works with teens and adults experiencing anxiety, depression or is asking ‘who am I really?’. She works with parents to help support their child’s well-being. She works with couples to help facilitate communication and identify or help prevent core issues that can lead to conflict, and teaches conflict resolution skills.
Sarah Byron is a compassionate and experienced mental health therapist dedicated to helping individuals who are seeking personal growth and healing. She holds a Master of Arts degree in Counseling from Western Seminary and a Master of Theology degree from the Graduate Theological Union. Sarah offers a client-centered approach, drawing from a psychodynamic orientation with a focus on attachment and Internal Family Systems work. A Licensed Marriage and Family Therapist, she is also trained in the trauma-specific therapies EMDR, Brainspotting, and ImTT.
Sarah works primarily with adults experiencing anxiety, depression, and other mental health challenges. She is passionate about empowering her clients to build resilience, increase self-understanding, develop self-compassion, and enhance their overall well-being. In addition to owning her own private practice, Sarah serves as a clinical supervisor at Tri-Valley Counseling Center.
Sarah Byron (she/her)
Supervisor
LMFT #136818
Simran Knueppel (she/her)
AMFT #165591
Supervised by Amy Sargent
Simran has an MBA and has held various marketing leadership roles across industries including financial services, tech and consumer packaged goods. She is currently working to complete her Master of Clinical Psychology degree at Pepperdine University while working as a Therapist Trainee at Tri-Valley Counseling in her final year of school.
Simran supports individuals, couples and families with an empathic, client-centered approach that is tailored for each client’s individual needs. Her business and leadership experience also allow her to support individuals who are navigating challenges in the work environment and career transitions. Simran’s faith has always been important to her, and she offers a Christian perspective for clients who are interested.
Cole is a Registered Associate Marriage and Family Therapist who loves working in her community of the Bay Area to assist all walks of life with their personal mental health journey. Cole works with adolescents, teens, and adults in the areas of anxiety, depression, trauma, gender, life transitions, and more.
Cole utilizes trauma-informed, cognitive-behavioral framework to best assist her clients while also incorporating person-centered, mindfulness, and psychodynamic interventions as needed. She also has a passion for the LGBTQIA+ community, and strives to incorporate gender-affirming values into her work with clients.
Cole got her MS in Counseling Psychology from California State University, Bakersfield in 2024. She loves to read, write, play video games, play board games, and spent time with her cats and dogs in her free time.
Cole Scanlon (she/her)
AMFT #150064
Supervised by Debbie Curtis
Christopher Samayoa (he/him)
AMFT # 146217
Supervised by Debbie Curtis
Languages: English and Spanish
Christopher is a Registered Associate Marriage and Family Therapist. He has extensive training in Motivational Interviewing and Cognitive Behavioral Therapy. Among his areas of expertise include depression, anxiety, trauma, substance use, and adjustment to life transitions. Christopher earned his Associate of Arts degree in Administration of Justice from College of the Siskiyous, his Bachelor of Arts degree in Psychology from The University of Arizona, and his Master of Arts degree in Counseling Psychology with an emphasis in Marriage and Family Therapy from the University of San Francisco.
In addition to psychotherapy, Christopher has years of experience in providing case management services to Veterans and homeless families, as well as those involved in both the child welfare system and adult behavioral health court. Christopher is married to a Clinical Psychologist who works for the VA and is the father of two young children.
Mitch is a Registered Associate Marriage and Family Therapist who is dedicated to helping individuals, couples, and families create lasting change through self-discovery and personal growth. Mitch utilizes a direct, yet compassionate approach and works to help his clients better understand themselves while also helping them find new ways to approach their lives in a more positive manner.
Mitch brings more than a decade of experience in law enforcement to his work as a therapist, giving him a unique understanding of the challenges first responders face both on and off the job. He recognizes that the impact of this work can extend beyond the individual, affecting relationships, families, and everyday life.
Mitch is passionate about helping individuals navigate anxiety, depression, post-traumatic stress, trauma, and substance use concerns. His professional background allows him to connect with clients who may be hesitant to seek support, while providing a compassionate, judgment-free space to work through difficult experiences and build healthier ways of coping.
Mitch earned his Master of Arts degree in Marriage and Family Therapy from Touro University Worldwide, his Bachelor of Arts degree in Criminal Justice Studies from San Francisco State University, and his Associate of Arts degree in Transfer Studies-CSU from Diablo Valley College.
Mitch Moschetti (he/him)
AMFT # 161699
Supervised by Debbie Curtis
Chris Stockhaus (he/him)
AMFT #162893
Supervised by Debbie Curtis
Chris has a Bachelor of Science degree in Business Management and spent the first 10 years of his career in tech. The last 15 years Chris has worked as a Pastor at Cornerstone Fellowship, during the last 10 of those years regularly providing Pastoral Counseling to a wide variety of individuals and couples.
In addition to his Pastoral role, Chris completed his Master of Psychology degree and is working as a Registered Associate Marriage and Family Therapist here at Tri-Valley Counseling. Chris’ business, pastoral and counseling experience give him a wide base of expertise to walk alongside individuals or couples looking for therapeutic support. Chris has been married for over 20 years and has two teenage sons.
Dan Riddle is a Clinical Counseling Trainee at Tri-Valley Counseling Center and is completing his M.A. in Clinical Mental Health Counseling at Grand Canyon University. In his final year of training, Dan is accruing clinical hours toward licensure while providing supervised care.
Dan continues to serve as an active firefighter while pursuing counseling, bringing 15 years of experience supporting colleagues through peer support and Critical Incident Stress Management (CISM) interventions. This ongoing role informs his clinical work, giving him a practical, trauma-informed perspective on crisis response, burnout, and occupational stress.
Dan brings an authentic, collaborative style, partnering with clients to build practical skills and strengthen resilience. He is committed to creating a safe, respectful space where clients’ goals guide the work.
Dan Riddle(he/him)
MFT Trainee
Supervised by Amy Sargent
Dane Olney (he/him)
MFT Trainee
Supervised by Amy Sargent
Dane Olney is a Tri-Valley native with fifteen years of experience walking alongside people as a local pastor. Through his own experience in therapy, he came to appreciate that healing and growth happen in relationships where we feel truly safe to be ourselves.
Whether it is anxiety, depression, addiction, betrayal, grief, anger, doubt, stress, or simply feeling stuck, Dane works with adults, couples, and families to name what they are experiencing and find a new way forward that is authentic to them. He uses a relational and emotionally focused approach that helps clients move beyond feeling stuck and toward the life and relationships they want.
Dane holds a Master of Theology from Fuller Seminary and is completing a Master of Arts in Clinical Mental Health Counseling at Colorado Christian University while serving as an MFT Trainee. He loves spending time with his wife, Brittany, and their three children. Outside of work, you’ll find him running Livermore’s trails, cheering on Bay Area sports teams, or searching for his next great library book.
Pamela Cross is a Marriage and Family Therapy Trainee currently pursuing her Master of Science in Counseling Psychology at California Baptist University. Before entering the counseling profession, Pamela earned her law degree and worked as an attorney in Peru. Her professional background and life experiences have shaped her desire to walk alongside others as they navigate challenges, transitions, and personal growth.
Pamela is passionate about working with adolescents and adults, particularly women, who may be experiencing anxiety, trauma, relationship challenges, life transitions, or feelings of being overwhelmed or stuck. She believes therapy can provide a safe and compassionate space where clients can feel heard and understood, better understand themselves and their experiences, recognize their strengths, develop practical tools, and move toward greater hope and well-being.
Pamela approaches counseling with warmth, empathy, curiosity, and respect for each client’s unique story. Born and raised in Peru, Pamela has spent much of her adult life between Peru and the United States. As a native Spanish speaker and bilingual in Spanish and English, she has drawn on her experience living across two cultures to shape her appreciation of how culture, family, relationships, and personal values influence each person’s story. She especially values the opportunity to work with clients from diverse cultural backgrounds.
Pamela’s Christian faith is an important part of her own life. For clients who desire it, she welcomes the opportunity to thoughtfully integrate a Christian perspective into the counseling process while respecting each client’s individual beliefs, values, and goals.
Outside of counseling, Pamela enjoys reading, learning new things, traveling to Peru to visit family, and spending time with her daughters and her dog.
Pamela Cross (she/her)
MFT Trainee
Supervised by Amy Sargent
Licensed Therapists
Our Licensed Therapists have completed a Master’s degree, have undergone the required 3,000 hours of supervised therapy, have passed two state/board licensing exams and are practicing therapy professionally.
Registered Associates
Associates have completed a Master’s degree in Counseling, are working towards earning their 3,000 hours under the supervision of the Licensed professionals and will be eligible to take the clinical exam once those hours are completed. They are all Registered with the California Board of Behavioral Sciences (BBS) and may be Associate Marriage and Family Therapists, Associate Clinical Social Workers or Associate Professional Clinical Counselors.
Trainees
Trainees have received the majority of their secondary education and are working under the supervision of the Licensed professionals to complete their practicum, the final course before they complete the Master’s degree. They are not yet registered with the BBS.
Supervisor
In addition to being a Licensed Therapist, Supervisor’s are required to take special training to oversee unlicensed therapists as they earn hours working toward acquiring their license. Every Associate and Trainee work closely with a Supervisor to ensure exemplary care.
