
Global Key Opinion Leader
Seven device makers,
one doctor
Device makers appoint Key Opinion Leaders to share clinical expertise, present protocols at symposia and train other doctors. Dr Sin Yong holds the role for seven of them at once, across HIFU, radiofrequency, CO₂, Nd:YAG and erbium lasers, microwave and picosecond platforms.
Watch · Dr Sin Yong explains
Brands and platforms
The brands and the platforms
CLASSYS
Korea · Global Key Opinion Leader
- Ultraformer MPT
- Volnewmer
- Secret Duo
CLASSYS Global KOL Award (Seoul, 2025) and CLASSYS KOL Award (Bangkok, 2026). Invited trainer at the CLASSYS Academy, São Paulo (2026).
VF Lift on Volnewmer is performed by Dr Sin Yong at SkinRev Lab.
Events: CLASSYS Global Customer Summit 2025, Seoul · 7th CLASSYS APAC Symposium 2026, Bangkok · CLASSYS Academy 2026, São Paulo
DEKA
Italy · Global Key Opinion Leader
- Tetra Pro
- RedTouch Pro
- TORO
- Onda Pro
KOL Trainer certificates for Tetra Pro (2025), RedTouch Pro (2025) and Onda Pro (2026). DEKA Academy, Florence (2026). DEKA Centre of Excellence certification (2026).
Events: DEKA Academy 2026, Florence · DEKA Centre of Excellence 2026, Singapore · DEKA Tetra Pro physician training 2025, Singapore
HIRONIC
Korea · Global Key Opinion Leader
- New Doublo 2.0
- Miglou
HIRONIC Global KOL speaker: VVIP Partners Meeting, Seoul (2026), AMWC Asia–TDAC, Taipei (2026), SAM Conference, Singapore (2026).
Miglou is the machine behind SKINSHAPE at SkinRev Lab.
Events: HIRONIC VVIP Partners Meeting 2026, Seoul · AMWC Asia–TDAC 2026, Taipei · SAM Conference 2026, Singapore · HIRONIC Doublo 2.0 physician session 2025, Singapore
Fotona
Slovenia · Global Key Opinion Leader
- StarWalker PQX
- MaQX
Key Opinion Leader for the StarWalker picosecond and Q-switched platforms.
Alma
Israel · Global Key Opinion Leader
- PrimeX
Key Opinion Leader for laser and energy-based treatments for skin, hair and body.
Alma PrimeX is the machine behind SKINLIFT, SKINTIGHT and SKINUSHAPE at SkinRev Lab.
Lutronic
Korea · Global Key Opinion Leader
- Clarity II
Key Opinion Leader, contributing to regional teaching and protocol development.
ilooda
Korea · Global Key Opinion Leader
- Secret RF
- Secret Duo
Global KOL speaker at the Meet the Expert Academy, Seoul (2024) and KOL trainer in Dubai (2024), where he introduced his 4K Body Lift.
Events: ilooda Meet the Expert Academy 2024, Seoul · ilooda Global KOL Programme 2024, Dubai
Two highlights
CLASSYS and DEKA

CLASSYS · Korea
Global Key Opinion Leader for CLASSYS
CLASSYS is the Seoul-based maker of Ultraformer MPT, Volnewmer and Secret Duo, operating in more than seventy countries.
- CLASSYS Global Customer Summit, Seoul 2025: Lecture 2 on Secret Duo, and a CLASSYS Global KOL Award
- 7th CLASSYS APAC Symposium, Bangkok 2026: “Volnewmer: The Non-Surgical VF Lift”, and a CLASSYS KOL Award
- CLASSYS Academy, São Paulo 2026: invited to train CLASSYS’s Brazil team on his VF Lift and 4K Body Lift

DEKA · Italy · July 2026
DEKA Centre of Excellence
DEKA is a medical laser maker founded in Florence. In July 2026 a DEKA delegation travelled from Italy for a full working day of clinical exchange with Dr Sin Yong, and IN Eternity Clinic, where he is Medical Director, was certified a DEKA Centre of Excellence, presented by DEKA and NeoAsia.
- KOL Trainer certificates for DEKA Tetra Pro, RedTouch Pro and Onda Pro
- DEKA Academy, Florence, October 2026
- His S3 Resurfacing and 4D Scar Reconstruction use DEKA Tetra Pro
Protocols he developed
Dr Sin Yong’s signature treatments
The protocols he is invited to share with other doctors are the ones he performs himself for patients at SkinRev Lab and IN Eternity Clinic.
Time Freeze Laser LCLR®
Jowls · jawline · double chinA dual-wavelength laser lifting protocol with LCLR lipo-remodelling, for sagging jowls, the jawline and a soft double chin, without incisions.
02VF Lift – Vertical Facelift
Face & jawline laxityMonopolar radiofrequency on Volnewmer, planned along vertical vectors to lift, reduce puffiness and restore hollows.
Presented at: Bangkok 2026 · São Paulo 202603RVR ProLift
Mid-face · jowls · eye cornersRefinement with Vertical Restoration: a precision injectable lifting technique along mapped vertical vectors.
04S3 Resurfacing
Acne scarsMulti-depth fractional CO₂ on DEKA Tetra Pro, treating ice-pick, boxcar and rolling scars each at their own depth.
Presented at: Singapore 2025 · Florence 2026054D Scar Reconstruction
Deeper and mixed scarsA sequenced programme: tethering released, depth supported, the surface resurfaced with S3, then pigment treated.
Presented at: Singapore 202606FSX Laser
Texture · pores · fine linesA non-ablative fractional laser protocol at 1540 nm and 1927 nm for texture, pores, fine lines and superficial scars.
074K Body Lift
Tummy · waist · thighs · armsRadiofrequency on Secret Duo for compact, resistant fat and the skin over it. Not liposuction.
Presented at: Seoul 2024 · Dubai 2024 · São Paulo 2026+Which one suits you?
Assessed by Dr Sin YongDr Sin Yong examines you, explains the options, including no treatment, and gives the price at consultation.
WhatsApp +65 8266 9585 →Conferences and academies
Invited to teach around the world
Florence · 2026DEKA Academy 2026
São Paulo · 2026CLASSYS Academy
Singapore · 2026SAM Conference 2026
Singapore · 2026DEKA Centre of Excellence
Bangkok · 20267th CLASSYS APAC Symposium
Taipei · 2026AMWC Asia–TDAC 2026
Seoul · 2026HIRONIC VVIP Partners Meeting 2026
Singapore · 2025DEKA Tetra Pro physician training
Singapore · 2025HIRONIC Doublo 2.0 physician session
Seoul · 2025CLASSYS Global Customer Summit 2025
Dubai · 2024ilooda Global KOL Programme
Seoul · 2024ilooda Meet the Expert Academy 2024