About Us
Our practice is proud to offer Precision Transdiagnostic Psychotherapy
This evidence-based framework focuses on universal drivers of suffering such as emotional reactivity, unprocessed trauma memories, lack of present-moment awareness, and anxiety-producing thought patterns.
Transdiagnostic Psychotherapy honors what truly matters most to each client: their unique set of personal beliefs and values. Therapy helps people engage in actions that reflect their deepest needs and principles, fostering resilience, emotional well-being, and a renewed sense of purpose.
In addition to Transdiagnostic treatment, we offer gold-standard, evidence-based therapies for PTSD, including Cognitive Processing Therapy (CPT), Prolonged Exposure (PE), and Written Exposure Therapy (WET).

Individual, Precision-Targeted Treatment Programs
At our practice, we understand that every individual’s path to wellness is unique. That’s why we offer personalized treatment packages designed to address a wide range of needs. Each package combines evidence-based interventions with a values-driven approach, tailoring care to your goals and priorities. Whether you’re looking to overcome trauma, build emotional resilience, reduce anxiety & depression, or improve relationships, our treatments are structured to provide focused, practical solutions to help you thrive.
Our treatments incorporate measurement-based care (MBC), a method that uses regular assessments to track your progress and guide treatment decisions. By measuring factors such as symptom severity, emotional well-being, and treatment engagement, we ensure that interventions are tailored to your needs and adjusted as they evolve. This evidence-based approach enhances treatment effectiveness, improves satisfaction, and ensures measurable progress toward therapeutic goals.
Our Team
Kerry Rivard, LMHC
Founder

Kerry Rivard, LMHC is a licensed mental health counselor and Founder of Onto Therapy. With over 25 years of experience as a clinician, supervisor, program director, and trainer, she has devoted her career to bringing evidence-based treatments into real-world settings and to building the systems that make them successful.
Kerry is trained in a range of gold-standard approaches, including DBT, Prolonged Exposure, CPT, WET, CAMS, and CBT, and is nationally recognized for her expertise in DBT implementation. She previously served as Clinical Director of a Massachusetts DMH-funded program and as Program Director of the 3-East DBT Residence at McLean Hospital. Most recently, as Director of Evidence-Based Treatment at Eliot Community Human Services, she co-designed the clinical model for two Community Behavioral Health Centers, including a unified, transdiagnostic treatment framework now serving underserved communities across Massachusetts.
At Onto, she brings that same clarity and strategic vision to something more personal: helping each client move beyond what's kept them stuck and build a life that actually fits.
Douglas Katz, PhD
Founder

Douglas Katz, PhD is a clinical psychologist and Founder of Onto Therapy. With more than two decades of experience spanning academic medicine, research, and large-scale program design, he brings a rare combination of scientific rigor and genuine warmth to his work with clients.
Dr. Katz is a staff psychologist at Massachusetts General Hospital and an Instructor in Psychiatry at Harvard Medical School, where he trains clinicians in CBT, DBT, and trauma-focused treatments. He has led major research and clinical initiatives at MGH's Dauten Family Center for Bipolar Treatment Innovation and, most recently, as Director of Clinical Services at Eliot Community Human Services, where he designed and implemented a unified, transdiagnostic treatment model now operating across more than 35 communities. His research has been published in JAMA, Journal of Affective Disorders, Bipolar Disorders, and other peer-reviewed journals.
Dr. Katz brings scientific rigor to work that is ultimately about something larger: helping each person become who they most want to be.
Marina Swietek, LMHC
Clinician

Marina Swietek, LMHC, Certified Clinical Trauma Specialist, and Certified Interpersonal Neurobiology Clinician, has more than 11 years of experience supporting individuals in their mental health and personal growth journeys. Her approach integrates evidence-based therapeutic practices with mindfulness and mind-body techniques, recognizing the powerful connection between emotional, psychological, and physical well-being. She is particularly passionate about group therapy and interpersonal dynamics, creating supportive environments where individuals can gain insight, strengthen resilience, and deepen their connections with others. Through a compassionate and collaborative approach, Marina helps clients navigate challenges and cultivate the skills needed to live a more fulfilling and authentic life.
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Josh Eigen, LICSW
Clinician

Josh Eigen, LICSW, is the Director of Eliot's Community Behavioral Health Center (CBHC) Programs in Danvers and Lynn, MA. He earned his BA in Social Rehabilitation from Assumption College and his MSW from Salem State University in 2004.
Josh brings extensive DBT training, developed in part through his work at the State's first residential DBT program for transitional-aged young adults. His broader clinical experience spans dual diagnosis, forensic risk, and diagnostic assessment.
Since joining Eliot in 2012, he has led several residential treatment programs and, beginning in 2018, has overseen the organization's community crisis work — including Jail Diversion Programming and Community Crisis Stabilization (CCS). Most recently, he has been a partner in the redesign and rollout of Eliot's CBHC programming, which launched in January 2023.
Josh lives on the North Shore with his wife and two children, and enjoys golf and vacationing in the Carolinas.
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Braxton Rose
Clinician

Braxton Rose is a Boston-based somatic practitioner, educator, and consultant with over 15 years of experience specializing in chronic pain, stress physiology, trauma, and mind-body health. He is a Somatic Experiencing Practitioner (SEP), Postural Alignment Specialist (PAS), E-RYT 500, and Reiki Master whose work integrates somatic therapy, movement, and nervous system regulation to support resilience, well-being, and lasting change.
Braxton’s professional experience spans clinical, educational, and performance settings, including collaborations with the New England Patriots, independent schools, yoga teacher training programs, and community mental health organizations. His current interests focus on the long-term effects of developmental stress on health and integrating somatic approaches into prevention-oriented models of care.
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Melissa Jadhav, LMHC
Clinician

Melissa Jadhav, LMHC is a licensed mental health counselor with more than fifteen years of experience working with clients across the lifespan. Her clinical focus is on trauma and PTSD, where she draws on evidence-based approaches including Written Exposure Therapy (WET) and Cognitive Restructuring (CR). She also works with couples using Emotion-Focused Therapy (EFT), helping partners strengthen the connection between them and move through the challenges of shared life.
Melissa is trained in Onto's transdiagnostic, transtheoretical approach and was instrumental in launching the framework at Eliot Community Human Services at the organizational level. She helped integrate it into the agency's clinical operations and shaped how it is taught to Eliot clinicians.
Alongside her clinical practice, Melissa serves as Vice President of Behavioral Health Services at Eliot, providing leadership and strategic direction in support of the agency's mission to deliver high-quality, compassionate care to the communities it serves. She holds the clinical and organizational sides of the work at once, and lets each inform the other.
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Paul Senn, LMHC
Clinician

Paul Senn, LMHC brings a diverse set of experiences to his role as a Licensed Mental Health Counselor. In addition to a Master’s in Clinical Mental Health Counseling, Paul holds an Ed.m in Education, and has worked in a variety of consulting and management roles in the business sector. These experiences and relationships have informed Paul’s work as a therapist in many ways that supplement his clinical training. Paul has made trauma treatment a focus and has certifications in a variety of modalities including Eye Movement Desensitization and Reprocessing (EMDR), Prolonged Exposure Therapy, and Written Exposure therapy Paul also enjoys working with clients on practices with a mindfulness component, such as Dialectical Behavior Therapy (DBT). Outside of work, Paul enjoys spending time with family, playing music and various forms of physical movement including cardio workouts, Tai Chi and Qi Gong.
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Kayla Raneri, LMHC
Clinician

Kayla Raneri, LMHC is Team Leader at Eliot Community Human Services. She holds a Master of Arts in Clinical Mental Health Counseling. Since graduating, she has been dedicated to helping individuals build resilience, overcome challenges, and create meaningful, lasting change. Her clinical experience includes working with a large range of client populations through both private practice and community mental health programs. She has specialized training in evidenced based, trauma-informed care. In practice, she uses a collaborative, goal-oriented approach. Kayla strives to create a nonjudgmental, therapeutic environment where clients can feel confident to make change.
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