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About Us


Advancing Respiratory Medicine

MediPines is a pioneer and market leader in non-invasive pulmonary gas exchange technology. The company’s mission is to advance respiratory medicine by providing physiology-based cardiorespiratory devices that enhance clinical effectiveness and achieve superior patient outcomes.

The MediPines AGM100 is an industry award winning, FDA-cleared, advanced pulmonary gas exchange technology that exclusively provides Oxygen Deficit, a surrogate for the alveolar to arterial oxygen difference (AaDO2), as well as blood oxygen level (gPaO2), lung carbon dioxide level (PETCO2), and other sensitive measurements of pulmonary gas exchange, relevant for patients with respiratory and cardiac complications. AGM100 is used by medical providers and clinicians to raise diagnostic accuracy, improve treatment decisions, and accelerate healthcare decision making.ISO-13485_2016-black-TM-935x1024-2-944x1024-1-277x300

MediPines is located in Orange County, California. The company is a FDA registered, California medical device manufacturing licensed (CDPH). All products are manufactured in a MDSAP/ISO13485 certified facility, the globally harmonized quality standard for medical devices.

CEO & Medical Chair

Steve Lee
Steve Lee is a MedTech innovator and entrepreneur. He pioneered a non-invasive respiratory gas exchange technology by co-inventing AGM® with Dr. John West. Steve’s work has been recognized by leading organizations such as MedTech Innovator and the World Health Organization’s coverage on innovative health technologies. He has presented the company's cardiorespiratory innovations at regional medical events, academic institutions, and industry gatherings. Steve also spoke on technology innovation at the World Engineering Conference and Convention. Earlier in his career, Steve led complex aerospace engineering projects at Hughes Space Systems and spearheaded business strategy and corporate development initiatives for Fortune 500 companies as a management consultant with the Boston Consulting Group (BCG). He holds an MBA from the University of Chicago Booth School of Business. His current passion lies in research and advancing clinical impact for health care providers and the related ecosystem.
Medical Advisory Chair
John B. West. M.D., Ph.D., D.Sc
John B. West. M.D., Ph.D., D.Sc., Medical Advisory Chair, Co-inventor of the AGM100. A world-renowned respiratory physiologist, Dr. West is a Fellow of the National Academy of Medicine and served as president of the American Physiological Society. Emeritus professor of medicine and physiology, at UC San Diego School of Medicine, Dr. West remains actively connected and engaged in respiratory physiology research, publishing multiple peer-reviewed journal papers every year. He has authored over 500 scientific articles and more than twenty medical books, including Respiratory Physiology: The Essentials and Pulmonary Pathophysiology: The Essentials, two medical textbook classics. J. B. West publications

Medical Advisory Board

Dr. Phillip Ainslie, PhD
Dr. Ainslie is the Co-director of the Centre of Heart, Lung, and Vascular Health at the University of British Columbia, Canada. He is also Professor and Canada Research Chair in Human and Applied Physiology. Dr. Ainslie has published more than 400 peer reviewed papers and recently co-authored the 6th edition of Ward, Milledge & West’s High Altitude Medicine and Physiology. Dr. Ainslie is a globally sought after lecturer in medical schools and cardiopulmonary scientific field.
Dr. Aidan Raney, M.D., FACC
Dr. Raney is the former medical Director of Cardiovascular Surgery at Jeffrey M. Carlton Heart and Vascular Institute at Hoag Hospital Newport Beach. He is also the former surgical director of Hoag Heart Valve Center and recipient of the James and Pamela Muzzy Endowed Chair. Dr. Raney has built a team of surgeons, nurses, and technicians that have been consistently ranked #1 in overall patient outcomes in Orange County and one of the top heart surgery programs in California.
Dr. Gary C. Sieck, PhD
Dr. Sieck is a past president of the American Physiological Society and Editor-in-Chief of both the Journal of Applied Physiology and Physiology, premier research journals. Dr. Sieck is a Vernon F. and Earline D. Endowed Professor and Distinguished Investigator in the Mayo Clinic School of Medicine and Science and a consultant in the Department of Physiology and Biomedical Engineering with joint appointments in the Departments of Anesthesiology and Perioperative Medicine and the Physical Medicine and Rehabilitation Medicine. Dr. Sieck's research focuses on respiratory muscle physiology and cell signaling. He has published more than 450 peer-reviewed papers.

Leadership Team

Clinical Scientist
Dr. Dylan Sieck, PhD
Dylan Sieck, PhD, leads scientific advancement for gas exchange monitoring. He brings over fifteen years of research experience to MediPines. Dr. Sieck was involved with clinical research at the University of Oregon specializing in exercise and cardiovascular physiology.
Director, Market Development
Andrew McFadden, MBA
Andrew McFadden leads business growth efforts for MediPines. Andrew is responsible strategy and go to market for MediPines products. He brings over 20 years experience executing growth strategies for small and medium technology companies.
Head of Engineering
YJ Lee
YJ Lee directs engineering activities for MediPines, and has over 17 years of experience in medical device engineering. He has written multiple publications for IEEE Sensors Journal, Journal of Medical Systems, and Journal of Electrical Engineering Technology. He holds a total of 13 patents from both Korea and the US.
Quality Assurance
Jason Pacchiarotti
Jason Pacchiarotti is a quality and regulatory specialist focused on ensuring MediPines’ products meet or exceed domestic and international regulations as well as MediPines’ own stringent internal quality requirements. Jason has over 12 years of quality experience in the life science industry.

Distribution Partners

MediPines partners with leading distributors to deliver our innovative health technology to the world.

Public Sector


AvMEDICAL is a  Service-Disabled Veteran-Owned Small Business providing medical equipment and supplies to the US defense industry.

Phone: (844) 638-1638


ADS, Inc.

ADS is a military and medical equipment provider for the US defense industry.

Phone: (866) 845-3012



LevoMed Canada

Founded in 2010, the LevoMed team brings in more than 50 years of combined expertise in pharmaceutical and health care sourcing, marketing, regulations, and best practices in the healthcare space. 

Phone: 1-800-517-1890



Golden Gate

Golden Gate Medical Supplies JSC has been incorporated in 2004 with the vision to become the best solution provider in the industry, not only limited to providing the high quality and clinically proven products but also to become the partner who creates the best value-added propositions to our customers.

Since its inauguration, Golden Gate has been strongly and steadily becoming one of the best distributors in medical devices market. Our commitment to high quality products and flawless customer services has brought us credibility and recognition in Vietnam.

Phone: (84-28) 54316993



Ambica International

Ambica's vision is to provide the best effective and safe healthcare products by improving affordability and availability for every Filipino’s well-being.

Phone: (+63)2-8828-6617


Hong Kong


idsMed is a leading supplier of medical and healthcare products to Asia. idsMED Group has an extensive distribution network covering various healthcare institutions including government and private hospitals, day surgery centers, specialist and primary care clinics, laboratories and nursing homes.

Phone: (+65) 6690 7330