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About Us

WHO WE ARE

Carbonic Stem Cell is a next-generation medical practice specializing in diagnostics, regenerative medicine, orthopaedics, pain management, and chronic wound care.

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Through global research partnerships and a multidisciplinary team, we’ve developed proprietary protocols across a broad range of medical conditions. From gene sequencing to MSC Stem Cell and Exosome-based therapies—supported by advanced imaging, cutting-edge technology, and clinical outcomes—we deliver precision, minimally invasive treatments.

We integrate telehealth, in-home care, and digital services to expand access to modern, science-driven solutions for patients and referring clinicians alike.

Our Mission

At Carbonic Stem Cell, our mission is to identify and treat the root causes of illness through the integration of advanced diagnostics and scientifically validated regenerative therapies.

We are committed to advancing the most progressive treatment modalities—ranging from genetic and cellular therapies to precision-guided interventions—grounded in research-driven protocols rather than symptom-based conventions of traditional medicine.


Through our global clinical collaborations, in-house innovation, and patient-centric approach, we aim to redefine what modern medicine can achieve for those seeking longevity, performance, and true healing.

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Meet the Team

Leaders in science, care, and innovation.

Todd Alea

MD – Medical Director Orthopedics

Dr. Todd Alea is a physician specializing in Pain Medicine and Physical Medicine & Rehabilitation. He is board-certified in both fields and practices in Homestead, Florida, with affiliations at Baptist Health South Florida. He offers a range of treatments including minimally invasive interventional pain procedures, stem cell therapy, and regenerative medicine.

Melissa Costantini

APRN – TeleHealth

Nurse Practitioner with over twelve years of experience in the medical field. Background in cardiology, primary care, functional medicine, mental health, family medicine, and medical aesthetics.

Chad Yarbrough

DC – Diagnostics/Genetic Testing Director

Dr. Chad Yarbrough is the founder of MaxGen Labs. Growing up caring for his father who suffered from ALS, he understands the struggle of seeking answers from countless doctors. During his years in practice, Dr. Chad focused on autism, infertility, and optimizing overall health. Recognizing the need for comprehensive genetic reporting from a lab that prioritized privacy, he established MaxGen Labs. In addition to overseeing the operations at MaxGen Labs, Dr. Chad is actively involved in developing nutrigenomics and functional medicine tests. As a sought-after speaker at events, he is dedicated to bringing clinicians together, teaching them how to integrate genetics into their practices, and serves as a faculty member at Boston Biolife.

Kristopher Goddard

DO – Medical Director Pain

Dr. Sean Goddard compassionately seeks to promote health and well-being by assisting your body’s own natural health and self-healing abilities. He focuses on an evaluation of the musculoskeletal system, toxicities, nutrition, and identification and correction of structural problems. He is implementing non-pharmaceutical approaches, utilizing nonsurgical and natural treatments through including osteopathic manipulative treatment (OMT), platelet rich plasma (PRP) and stem cell injections, acupuncture, and the development of attitudes and lifestyles that help fight illness and prevent disease. OMT combined with all other aspects of medicine provides the most comprehensive care available in medicine today.

Sinan Gursoy

MD – Medical Director Cardio/Longevity

Dr. A. Sinan Gursoy, also known as Ahmet Gursoy, is a multi-board certified cardiac electrophysiologist. He practices in Naples, Florida and is affiliated with NCH Baker Hospital Downtown and Physicians Regional Medical Center. He has been a Castle Connolly Top Doctor since 2015, according to Castle Connolly. His expertise includes arrhythmia management, pacemaker and defibrillator implantation, and angioplasty and stent placement. He is also affiliated with Naples Interventional Cardiac Electrophysiology (NICE).

Sheldon Jordan

MD – Medical Director Neurology

Sheldon Jordan, MD, is a board certified neurologist. Considered a top doctor by Best Doctors in America, Who's Who, Global Edition, and Super Doctors, his philosophy is to listen to patients' individual stories and provide management and treatment solutions tailored specifically to their needs.

Matthew Ohashi

VP of Business Development

Matthew Ohashi is passionately committed to expanding public access to the world’s most advanced medical treatment protocols. With a diverse background in developing concepts and launching marketing campaigns across multiple industries, he has cultivated a versatile skill set that blends innovation, strategic vision, and consumer-focused value creation. Leveraging his expertise, Matthew brings forward-thinking, accessible models to the market, bridging the gap between cutting-edge medical advancements and the communities that need them most.

Taylor Kuhn

PHD - Scientific Director, Neuropsychology

He is a clinical neuropsychologist with a broad interest in sciences which bridge the gap between neuropsychology and neuroimaging to investigate relationships between brain structure and function across neurodegenerative disorders, neuromedical illnesses, healthy aging, and intellectual giftedness.
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Start Your Healing Journey Today

Discover the root cause of your condition with advanced diagnostics and regenerative therapies tailored to you.

Book your personalized consultation with our clinical team.

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