
Dr Tony Paulson
Dr Tony Paulson has treated patients with eating and anxiety disorders for more than 30 years and is certified in Family Based Therapy. He has lectured extensively on the topic to community groups and professionals. He was an adjunct professor at Sacramento State and taught core classes at JFK University’s eating disorders certificate program. He co-authored the book, “Why She Feels Fat: Understanding Your Loved One’s Eating Disorder and How You Can Help” and “It was Never About the Food: Stories of Recovery” to assist families in better understanding and responding to their loved one’s eating disorder. Dr Paulson’s approach to treating anorexia, bulimia, binge eating disorder and anxiety disorders utilizes a combination of education, cognitive therapy, and experiential activities.

Cristina Billingsley, LMFT, CCTP
Cristina is the Clinical Director of Sierra and specializes in the treatment of complex trauma and anxiety disorders. She provides expert, evidence-based care for adults, teens, and neurodivergent clients struggling with panic, intrusive thoughts, and persistent emotional distress. Her work offers a structured and supportive space where clients can safely explore what feels heavy or confusing while gaining a deeper understanding of how trauma and anxiety affect both the nervous system and daily life. With over 20 years of clinical experience, specialized training in trauma treatment, and contributions to major media publications on anxiety, trauma, and parenting, Cristina provides thoughtful, clinically grounded treatment focused on reducing symptoms and building lasting emotional regulation and resilience.

Samantha Bondaruk, AMFT
Welcome! My name is Samantha Bondaruk and I am an AMFT. I am committed to creating a safe, supportive space where you can share your story and work toward the goals that matter most to you. I am passionate about helping people navigate life’s challenges and believe therapy is a collaborative process built on trust, respect, and understanding. Whether you are looking to improve your mental health, strengthen relationships, cope with life transitions, heal from trauma, or focus on personal growth, I am here to support you. Together, we can explore what’s getting in the way, build practical tools, and create meaningful change that feels sustainable in your daily life.


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