About Breathe Your Truth

Dedicated to helping people use the breath to improve health and performance

Combining modern science and ancient wisdom, Breathe Your Truth helps improve overall health and peak performance by using the power of breath.

We’ve trained in breathing physiology, capnography, mindfulness, intermittent hypoxic training, and hyper ventilation practices, Yoga and Qi Gong – to build a program mixing today’s technology with yesterday’s deep connection to the breath.

Breathe Your Truth launched in 2020 after decades of study and clinical work.

We work with people on-line, and in-person, providing:

Individual Coaching

Fast-track progress by working directly with a coach

Self-Paced Learning

Work on your own

Coach Training

Learn how to help other people use the breath

Meet the Creator of Breath Your Truth

David Deppeler, founder of Breathe Your Truth

Dr. David Deppeler

Founder, Trainer, Coach

David fuses wisdom teachings, modern science, adult learning theory, and clinical experience to create rich, collaborative, learning experiences.

Passionate about his partner, paddle board, Labrador, and stretching his own thinking.

And meet the Breath Your Truth Co-Creators...

Kelly Reed

Kelly Reed

Trainer, Coach

Portland, OR

Rooted in Physical Therapy, Yoga and Mindfulness teaching to empower the unfolding of one’s own ability for self-care. Passionate about reading, nature and little acts of kindness.

Currently a staff physical therapist at TAI Cedar Hills Physical Therapy.

Past lives: Chairman of the Board, Shareholder/Partner and Director of Cedar Hills Physical Therapy for Therapeutic Associates. Physical Therapy degree from Pacific University, Certified Orthopedic Manual Therapist. Breath work certifications from Better Physiology and The Oxygen Advantage. Collegiate All- American Softball player, Mother, Wife and Friend.

Kat Burns

Kat Burns

Trainer, Coach

Eugene, OR

Kat energetically weaves together care, instruction, and humor. Balances orthopedic care, learning, teaching, and breath practices. Passionate about yoga, her paddleboard, her husband, and her cat Blink.

Recent developments: a green thumb. Currently a physical therapist at TAI Gateway and TAI Crescent Village and faculty for Lane Community College.

Education: Doctor of Physical Therapy from Ithaca College, Certified Breathing Behavioral Analyst from the Professional School of Behavioral Health Sciences, and manual therapy training from North American Institute of Orthopaedic Manual Therapy (NAIOMT). She is a Board Certified Orthopedic Specialist, and a Fellow of the American Academy of Manual Physical Therapy. She has completed yoga teacher training from ZenSpot Institute and has worked with Outward Bound, and NOLS courses.

BYT Certified Coaches

These practitioners have rocked all 5 components of the Breathe Your Truth Coach Training program.
Caleb Dotson

Caleb Dotson

Role: Coach
Location: Own Your Health Physiotherapy, Spokane, WA

Caleb is passionate about helping people. He completed his doctorate in physical therapy from Eastern Washington University in 2015. Since then, he continues to develop an eclectic skillset, seeking to address the whole person rather than simply focusing on a specific physical symptom.

Caleb’s post-doctorate education includes joint mobilization and manipulation training through North American Institute of Orthopedic Manual Therapy (NAIOMPT), Astym certification, and now Breathe Your Truth certification. He applies principles from pain neuroscience education, visceral mobilization, Fascial Distortion Method, Myofascial Release, Craniosacral Therapy, and applied psychology.

Caleb provides in-clinic physical therapy at Therapeutic Associates’ Riverpoint location in downtown Spokane. He also serves clients throughout the greater Spokane area though Dotson Physiotherapy, a mobile provider of health and wellness services.

“As a physical therapist, I am a teacher and a coach. I do not see my job as making someone better but educating and equipping them to reach their full potential.”

Ray Arreguin

Role: Coach
Location: Wildwood Physical Therapy, Portland, OR

Ray’s educational journey began with his graduation from Ohio University, where he earned his Doctor of Physical Therapy degree in 2011. Ever since, Ray has been passionately expanding his understanding of the human body and the various impairments associated with it.

In 2014, he qualified as an orthopedic specialist, a milestone that led him to pursue further specialization. His quest for deeper knowledge culminated in 2019, when he completed fellowship training in orthopedic manual therapy through the prestigious North American Institute of Orthopedic Manual Therapy. It was during this period of intensive study that Ray discovered the transformative world of breathwork and its significant positive impacts on health.

Ray’s dedication to mastering breathwork led him to complete the Breathe Your Truth coach certification program in 2021, further enriching his therapeutic repertoire. Today, he applies his extensive skills at Wildwood Physical Therapy in Portland, OR, treating a diverse range of orthopedic and breath-related conditions.

When not in the clinic, Ray is an avid cyclist, continually applying and refining his breathing techniques on the bike, ensuring that his personal and professional life remain in harmonious balance.

Jennifer Tostenrud

Jennifer Tostenrud

Role: Coach
Location: TAI Cedar Hills, Portland, OR

Jenny earned both her Master’s and Doctorate degrees in Physical Therapy from the University of Colorado Health Sciences Center. She has become an APTA certified Orthopedic Clinical Specialist and a Certified Manual Therapist (NAIOMT). In addition, she treats patients with balance and vestibular disorders and has completed her Concussion Management Certification (Evidence in Motion). These pair well with her Breath Your Truth Certification as both involve a lot of coaching and patient education.

Jenny currently sees orthopedic, vestibular and concussion patients at Therapeutic Associates Cedar Hills in the Portland area where she is also the clinic director. When not at work, Jenny spends her time running, skiing, reading, spending time with her husband, and trying to keep up with her two young children.


Marilou Lamy

Role: Coach
Location: Kartii Physiotherapy, Vancouver, BC

Marilou’s fascination with the human body began early in her career, fueling her comprehensive approach that encompasses manual therapy, dry needling, strength training, breathing techniques, and Pilates. Her multifaceted expertise stems from a rich background in physical therapy and sports rehabilitation.

Previously, Marilou was the owner and associate of the Action Sport Physiotherapy clinic located in Mont-Tremblant, QC. She holds a Sport Diploma and a Certificate of Advanced Manual Therapy, in addition to her proficiency in Intramuscular Stimulation (IMS/needling). Her academic journey led her from Laval University, QC, to her current residence in North Vancouver, BC, Canada, where she lives with her husband and three children.

Marilou’s commitment to physical therapy and sports performance has seen her support elite athletes at the pinnacle of their careers, including providing guidance during the Tokyo 2020 Olympics. Her experience and passion make her an integral part of the athlete’s journey to success.

Amy Goddard

Role: Coach
Location: GO Sports Therapy, Joplin, MO

Amy, a Texas Woman’s University alumna, earned her Master of Science in Physical Therapy in 1995. Her journey in the health and fitness industry advanced as she gained certification as a Strength & Conditioning Specialist and in Astym in 2000, followed by certification in Functional Dry Needling in 2011. That same year, she also became an Orthopedic Clinical Specialist and completed her transitional Doctorate in Physical Therapy.

Her venture into yoga began in 2012, which, coupled with her discovery of the Postural Restoration Institute’s principles, significantly deepened her appreciation for the transformative power of breath, culminating in her becoming Postural Restoration Certified in 2016. Amy’s integration of these principles into her physical therapy practice illuminated the profound impact of breathing on overall well-being.

In 2021, Amy’s commitment to understanding the nexus between breath and health led her to become a Breathe Your Truth certified coach after completing a mentorship with David Deppeler, PT, DSc, OCS, FAAOMPT. She delves into the nuances of how breath affects postural alignment, pain, anxiety, resilience, and performance.

Previously, Amy managed GO Sports Therapy in Dallas from 2000 until 2022 before relocating her practice to her hometown, Joplin, MO. There, she continues her dual passion, treating orthopedic and breath-related conditions. As a lead instructor for Astym and a teaching assistant for EIM Functional Dry Needling Levels 1 & 2, she remains at the forefront of therapeutic education.

When not working, Amy dedicates herself to her own wellness journey, embracing running, biking, hiking, yoga, and strength training to practice and enhance her breathing techniques.

Noel Tenoso

Role: Coach
Location: Advance Sports and Spine Therapy, West Linn, OR

Noel’s journey into the realm of breathwork with Breathe Your Truth is an extension of his profound commitment as a yoga instructor and his extensive experience as a physical therapist. He has observed firsthand how stress, frustration, and anxiety can hinder patients’ rehabilitation processes and impede their return to the activities that matter most in their lives. Noel believes firmly that breath management offers a straightforward and accessible method to naturally confront these obstacles, particularly when paired with the supportive partnership of a coach and guide.

As the founder and co-owner of Advance Sports and Spine Therapy, Noel has been at the forefront of physical therapy in West Linn and Wilsonville, Oregon since 1999. Beyond his professional life, he finds joy and relaxation in hiking, bicycling, stand-up paddleboarding, and exploring new destinations around the globe with his wife, Kim. Leisure time for Noel often includes savoring nachos and sharing kombucha with friends and family, embodying his belief in balance between health, happiness, and the pleasures of life.

Matthew Marino

Role: Coach
Location: Prime Performance, Portland, OR

Matthew Marino started out in the fitness industry as a personal trainer in 2001. He graduated from Northeastern University with a Masters in Physical Therapy 2006, and has experience treating patients in orthopedic, industrial, neurological, and long-term acute care settings. Matt has completed decades of post graduate training and holds numerous advanced certifications. He is passionate about helping people heal, improve overall health, wellness and fitness, and perform at the highest possible level.

As a Physical Therapist, applied sport scientist, performance coach, and professional ergonomist Matt splits his time inside and outside the clinic and gym, combining skills and expertise to deliver a unique spectrum of services.

In the clinic and gym, Matt delivers a suite of concierge health, wellness, fitness and performance enhancing services including PT, resting and various exercise metabolic testing protocols, force plate testing, movement screening and assessment, strength and fitness testing, spirometry and breathing assessment, breathwork, and 1-on-1 coaching. He uses science backed methods and cutting-edge technology to analyze physical and physiological capacities and capabilities, helping patients and clients set their baseline, determine their profiles, track changes over time, identify unique areas of dysfunction, inefficiency, or weakness, and perform targeted treatment or training to meet and exceed the demands of sports, work and life and achieve key goals.

By targeting the highest priority limitations and attacking their root causes, patients and clients recover and return to sports or work quickly, prevent future injuries, and optimize health and performance.

Prime Performance