Find the therapist that best suits your needs.
Sierra Burton
MA, LMFT #50154
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I am passionate about therapy because therapy saved me, changed me, challenged me, grew me and helped me become who I am today. In college I worked towards a law degree, then vet medicine, but something continued to draw me back to psychology and helping people. In my opinion and personal experience, therapy works. I have seen couples, families and individuals come through some amazing journeys. My approach is very interactive while providing a non-judgmental place for free expression of thoughts and feelings.
I am currently owner and director for Sierra Therapy Center in beautiful Nevada County. I also serve on CAMFT Legislative Committee and I LOVE to supervise new associates and graduate students! Prior to this, I was the Clinical Director for a residential children's program. I left this position knowing that my true purpose was to work every day with my clients. We are a growing therapy center aimed at improving personal lives and family dynamics.
I was born and raised in Grass Valley (graduate of our local Nevada Union), I completed my undergraduate degree in psychology at California State University of Sacramento and earned my Masters in Marriage and Family Therapy (MFT) from Chapman University.When I'm not working with my clients, I enjoy spending time with my family of 5 - cooking, gardening, ballet, meditation, and best of all - being a wife and mom.
"We think we listen, but very rarely do we listen with real understanding, true empathy. Yet listening, of this very special kind, is one of the most potent forces for change that I know." - Carl Rogers
Julian Rosenburg
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Dena L Hall, MA, LMFT #49464
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Bio coming soon.
Brain Hall
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Dena L Hall, MA, LMFT #49464
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I view therapy as a space that offers a guided exploration of your unique identity, experiences, and challenges within a supportive, compassionate, and non-judgmental setting. My approach is trauma-informed, deeply collaborative, and client-centered. This means prioritizing your unique potential, personal growth, and healing above all else. In a safe, non-pathologizing space, I will gently support you in deepening your self-knowledge and self-acceptance. Here, you are invited to vulnerably explore your inner world, a process that guides you toward genuine clarity, insight, and a fully integrated sense of self. It is a profound honor and privilege to walk this path with you.
I take an integrative, evidence-based approach to our work together, drawing from a broad range of modalities including Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), Emotionally-Focused Therapy, Somatic Therapy, and Narrative Therapy. I am currently completing my Master of Arts degree in Clinical Mental Health Counseling, with an emphasis in Marriage, Family, and Child Counseling, from Palo Alto University.
Before entering the counseling field, I worked for over 20 years as an engineer and engineering manager. While this work was challenging and engaging, I came to realize that I found interpersonal work far more interesting and satisfying than working with machines. In my leisure time, I love hiking local trails, making music, and throwing pottery.
Joni Sternberg
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Jacquelyn Castino-Reynolds, MA, LMFT #114483
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I am passionate about the transformative power of therapy, having experienced firsthand how it can lead to profound personal growth. My journey began with a deep dive into my own healing, old stories and beliefs, allowing me to examine patterns and behaviors that were no longer serving me. This process has been instrumental in fostering self-awareness and cultivating a happier, more fulfilling life.
I am dedicated to empowering individuals to choose themselves and rewrite the narratives that are holding them held them back. My approach emphasizes healing and working through trauma, grief, shame, body-image, depression, anxiety and fostering a deep understanding of ourselves and our relationship with others. I advocate for self-compassion and empathy as cornerstones of mental well-being.
Outside the therapy room, I embrace life with a passion for nature - there’s something truly healing about walking in the great outdoors. I enjoy attending rock 'n' roll, live music events, immersing myself in art and tattoos, cooking, and creating jewelry. Exploring new cities and cultures is another love of mine, as each experience enriches my understanding of the world and the diverse stories we all carry.
Clinical Supervisors
Dena Hall
MA, LMFT #49464
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Dena offers compassionate support to clients as they navigate life’s questions, transitions, and challenges. She works with individuals, children, teens, families, and couples—helping each person explore what matters most to them and what they hope to strengthen or heal. Her therapeutic approach fosters personal growth, greater balance, enhanced clarity, and mindfulness in connection to self and others. Among other modalities and techniques, she integrates Brainspotting Therapy, a trauma-specific modality that supports clients in processing and releasing emotional pain related to relationships, trauma, depression, anxiety, and more.
Dena earned a Bachelor of Arts in Behavioral Science, followed by a Master of Arts in Counseling Psychology, culminating in licensure as a Marriage and Family Therapist—a reflection of her deep commitment to the field and those she serves. Throughout her years of experience, she has remained inspired by the courage, strength, and resilience of those she serves—finding deep meaning in every journey. In addition to her clinical work, she is a professional trainer and Clinical Supervisor, offering trainings on behavioral health topics and mentoring associates as they gain clinical experience.
Raised in the majestic Sierra Nevada Mountains, she appreciates the values of small towns and close-knit communities, and honors nature in all its beauty. Outside of her practice, she cherishes time with family and friends, enjoys relaxing by the river on beautiful summer days, and celebrates laughter and connection on weekend getaways.
”Communication is to relationships what breath is to life" - Virginia Satir
Clinicians
Tali Kassutto
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Dena L Hall, MA, LMFT #49464
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My practice is rooted in mindfulness-based somatic psychotherapy, parts work, Brainspotting, expressive arts therapy, and informed by both transpersonal and systems-based perspectives. I approach healing as an organic unfolding, less a problem to be solved than a living process to be entered with curiosity and trust in the intelligence that already lives within you.
Growth rarely moves in straight lines. It expands and contracts. It brings clarity, then confusion. There are times when life feels aligned, and times when something no longer fits but the next step isn’t yet clear. I honor the courage it takes to stay present in those in-between spaces.
With a background in education and years of experience working within diverse communities, I offer a grounded and compassionate presence. Together, we listen for what may be asking for attention beneath the surface. Rather than seeing the patterns and protections that surface as problems to be solved, we approach them as meaningful parts of your story, shaped by experience and worthy of understanding.
I hold therapy as a relational space where insight arises naturally and healing emerges from the heart of your experience. As we attune to the living currents within and around you, a quiet sense of integration begins to unfold, inviting a gentle return to the wisdom of your body, the depth of your relationships, your creativity, and the larger mystery that moves through us all. Together, we follow the thread of your experience with curiosity and trust, allowing your path to unfold in its own surprising and fully alive way.
Walker Britt
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Jacquelyn Castino-Reynolds, MA, LMFT #114483
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I believe therapy is a collaborative journey that empowers people to heal, grow, and reconnect with what really matters. I am passionate about this work because I know firsthand that change is possible. I’ve navigated my own challenges, setbacks, and “plot twists,” and I understand how much courage it takes to begin this process. My goal is to create a space that feels safe, nonjudgmental, and maybe even a bit lighter than what life has been serving lately. Growth is serious work, but it doesn’t mean we can’t laugh along the way.
I am completing my Master of Arts in Marriage and Family Therapy at Touro University Worldwide and training as an MFT trainee at Sierra Therapy Center. My own healing journey has strengthened my empathy and commitment to meeting clients exactly where they are. I integrate approaches backed by research while tailoring treatment to the unique needs of individuals, couples, and families — because no two humans are the same (even identical twins will tell you that).
Before entering the counseling field, I worked in writing, coaching, and leadership roles that taught me the power of connection and resilience. Outside the therapy room, I love traveling, being outdoors, making music, and working on cars. I’m honored to walk alongside clients as they build hope, confidence, and the life they truly desire.
Sonia Pandit
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Jacquelyn Castino-Reynolds, MA, LMFT #114483
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My approach to therapy is rooted in compassion, curiosity, and the belief that meaningful change begins when we feel genuinely seen and understood. I draw from attachment-based, cognitive-behavioral, trauma-informed, and systemic perspectives, while recognizing that each person brings a unique story, set of relationships, culture, and lived experiences into the therapy room.
I believe our emotions and patterns often make sense when we understand where they came from. The ways we protect ourselves, respond to relationships, or cope during difficult moments may have once helped us navigate experiences that felt overwhelming or uncertain. Rather than approaching these parts of ourselves with judgment, I invite clients to explore them with curiosity and compassion. Together, we can begin to understand what these patterns are communicating and whether they continue to serve the life and relationships you want today.
My experience in behavioral health and crisis intervention has allowed me to walk alongside individuals and families during moments of profound vulnerability, uncertainty, and change. Through this work, I have learned the importance of slowing down, meeting people where they are, and recognizing the strength that can exist even in moments when someone may not yet be able to see it within themselves.
I view therapy as a collaborative relationship rather than a place where someone else tells you who you should become. Whether you are navigating anxiety, trauma, relationship difficulties, family conflict, life transitions, or simply feeling disconnected from yourself, my hope is to create a space where you can feel safe enough to explore what lies beneath the surface.
Healing does not require becoming an entirely different person. Sometimes it begins with understanding yourself more deeply, reconnecting with parts of yourself that have been quieted or overlooked, and discovering new ways of relating to yourself and the people who matter to you. I would be honored to walk alongside you as you make sense of your experiences, strengthen meaningful connections, and move toward a life that feels more authentic and aligned with who you are.
Barbara Feldman
Registered Associate Marriage Family Therapist #124253
Supervised By: Jacquelyn Castino-Reynolds, MA, LMFT #114483
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Hello! I am Barbara Mamaril Feldman, an Associate Marriage and Family Therapist and an Associate Professional Clinical Counselor. My therapeutic style embodies an integrative approach that is client-centered, trauma-informed and strengths-based. Among other techniques, I use art and play-based interventions that allow the client to express what words cannot always explain. I have experience working with children, adolescents, adults and families in school- and community-based settings, creating a safe, supportive, and non-judgemental environment where my clients feel seen and heard. I support individuals working to overcome social and relational difficulties, grow their self-esteem and self-compassion, embrace their cultural identity, and navigate living with neurodivergence, trauma, anxiety and depression. I meet my client with empathy and a warm approach that is best tailored to match individual experiences and unique journeys.
During my free time I enjoy cooking, creating art, camping, traveling and spending time with family, friends and fur-babies.
“People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, ‘Soften the orange a bit on the right hand corner.’ I don't try to control the sunset. I watch with awe as it unfolds.”
― Carl R. Rogers
Jacquelyn Castino-Reynolds
MA, LMFT #114483
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I consider therapy to be a place to find and explore your truth. Therapy is a place to grow your inner strength, build new skills, learn to set boundaries, and to find and assert your voice to move through the challenges life has presented. This is a journey we take together. I will provide guidance through a client-centered and strength-based approach to meet you where you are on your path. I will utilize a cognitive behavior approach and evidence-based practices to increase insight and build mastery to empower you to independently implement your skills and develop natural support systems
I'm a Licensed Marriage and Family Therapist, completing my degree at Brandman University in 2015. For the past 9 years I've provided support to youth and their families who are in residential care with an intensive therapeutic environment. This has provided an opportunity to support their personal growth to manage symptoms related to trauma, struggle with Anger Management, Depression, Anxiety, Bipolar, ADHD, DMDD, ODD, and Parent-Child Relationship Problems. I enjoy working with married or divorced parents to assist then in learning to communicate with each other in order to parent a child with healthy boundaries and consistency. I understand how to assist in functioning within the home, school, and community environment. I have familiarity and insight into working with systems of care related to CPS, Probation, IEP's, and Managed Care.
I look forward to taking this journey with you, triumphing through the valleys and celebrating at the peaks."If you have the courage to start, you have the courage to succeed." -Mel Robbins
Jacquelyn Jacona
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Jacquelyn Castino-Reynolds, MA, LMFT #114483
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Jacquelyn Jacona is a Marriage and Family Therapy Intern Trainee at Once Upon A Time, currently completing her Master of Arts in Marriage and Family Therapy at UMass Global. She is passionate about helping individuals, couples, and families navigate life’s challenges with curiosity, compassion, and practical tools for growth.
Before pursuing a career in mental health, Jacquelyn worked for many years in the medical field, where she gained a deep appreciation for the human capacity to adapt and heal, both physically and emotionally. Over time, she found herself drawn to the emotional side of healing and inspired by the profound impact therapy can have on people’s lives. Witnessing those around her transform through support and self-understanding led her to realize that life doesn’t have to feel like a constant struggle, and that meaningful change is possible at any stage.
Jacquelyn’s clinical approach focuses on Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and Internal Family Systems (IFS), allowing her to meet clients where they are while helping them explore the connection between thoughts, emotions, and behaviors. She believes that our internal world is made up of many parts, each carrying its own story and intention, and that listening to those parts with compassion can lead to greater self-awareness and balance. By identifying the values that guide each person’s life, Jacquelyn helps clients create clarity around their goals and take steps toward living in alignment with what matters most to them.
Grounded in warmth and authenticity, Jacquelyn strives to create a space where clients feel genuinely seen and supported. She approaches therapy as a collaborative process, one that honors each individual’s strengths, resilience, and capacity for growth.
Her sessions often weave in mindfulness, emotional regulation, and self-compassion practices, encouraging clients to develop a deeper understanding of themselves and the patterns that shape their relationships.
Jacquelyn works with a wide range of clients and is passionate about supporting those navigating anxiety, life transitions, relationship stress, and trauma-related experiences. Her medical background informs her sensitivity to the mind-body connection and the impact of stress and trauma on overall wellbeing. She values the opportunity to work alongside clients as they reconnect with their sense of purpose and rediscover hope, meaning, and direction in their lives.
Outside the therapy room, Jacquelyn enjoys spending time outdoors, traveling, and connecting with friends and family. She brings that same sense of curiosity and presence to her work with clients, believing that therapy is not only about healing pain, but also about creating space for growth, creativity, and joy.
Laura Jaco
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Jacquelyn Castino-Reynolds, MA, LMFT #114483
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Coming Soon
Michelle Wellington
BA, Graduate Student, Marriage and Family Therapist Trainee
Supervised By: Dena L Hall, MA, LMFT #49464
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I am a Marriage and Family Therapy Trainee at Once Upon A Time and am currently completing my Master of Arts in Marriage and Family Therapy at Touro University Worldwide. My background in education, personal development, and relational work has shaped the way I think about growth, healing, and connection.
To me, therapy starts with curiosity. Sometimes the problem that brings us into therapy is only part of the story. Earlier experiences, family dynamics, attachment patterns, and unresolved hurt can continue to shape how we see ourselves, how we relate to others, and how we move through the world. My clinical approach is trauma-informed and relational, with a focus on attachment, emotional experience, and the patterns that shape our relationships.
I’m drawn to psychodynamic, Emotionally Focused, and Solution-Focused approaches. I value making space to understand where patterns come from, paying attention to what emotions may be trying to tell us in the present, and also helping clients move toward meaningful change. I believe therapy is not only about understanding the past but also about creating more choice in the present and building toward something different.
Before becoming a therapist-in-training, I spent 15 years working with children and families as
an elementary teacher and literacy intervention specialist. I later moved into coaching and facilitation, which gave me even more experience supporting people through change, uncertainty, and growth. Across all of these roles, I’ve been drawn to the same thing: helping people make sense of what they are experiencing and feel more connected to themselves.
I’m especially interested in working with adults navigating trauma, family-of-origin concerns, recovery, life transitions, and relationship patterns, as well as couples and families seeking more connection and understanding. My hope is that therapy can be a space where you don't have to have everything figured out before you walk in the door. You can come as you are, and together we can get curious about what isn't working, what you need, and what change might look like for you.