Prof. Emeritus Charoen Chotigavanich, M.D. — Founder of Ventry

Professor Emeritus Charoen Chotigavanich, M.D. is an orthopedic surgeon, born on April 9, 1936 in Chumphon Province, Thailand, and the founder of Ventry.
Education and Certification
- M.D., Faculty of Medicine Siriraj Hospital, Mahidol University (1961)
- Diplomate, American Board of Orthopedic Surgery (1972)
- Thai Board Certification in Orthopedic Surgery (1973)
- Fellow of the American College of Surgeons (FACS) and Fellow of the Royal College of Orthopaedic Surgeons of Thailand (FRCOST) (1973)
- Certificate in Spine Surgery (1973)
- Fellowship, Cornell University, USA (1975)
Academic and Professional Positions
- Chairman, Department of Orthopaedic Surgery and Physical Medicine and Rehabilitation, Faculty of Medicine Siriraj Hospital, Mahidol University (1988–1996)
- President, Royal College of Orthopaedic Surgeons of Thailand (1992–1994)
- President, Asia Pacific Spine Society (APSS) (1999–2002)
- President, Asia Pacific Orthopedic Association (AOPA) (2012–2014)
- APSS Orator, 2019
- Currently practices at Samitivej Srinakarin Hospital
Research and Patent
In 1982, he registered a patent for a cervical pillow design in Thailand, and in 1983, published research with colleagues titled “Cervical Pillow for the Management of Cervical Spondylosis” in the Siriraj Medical Journal. He also co-authored several other publications on spine and back-muscle research over the course of his career. Read more and see the full reference list in this article on his cervical pillow research.
Ventry
In 1995, he founded T.S.Gen Co., Ltd., which manufactures and sells Ventry-brand natural latex pillows and mattresses.


