Ryan Wonsuk CHOI

CEO & Founder

About

Ryan Wonsuk Choi is a technology entrepreneur and global business leader with over 15 years of experience in skin diagnostic technology and medical innovation. He is the CEO of Choicetech Korea, the parent company of two specialist brands — ChoiceDx, a medical-grade AI-powered skin and scalp diagnostic platform, and Bilumix, a precision medical headlamp and loupe manufacturer. ChoiceDx delivers clinically structured skin analysis across key indicators including skin type, pigmentation, sebum, pores, and wrinkles — designed for dermatology clinics, medical spas, esthetic centers, and pharma research environments. Recognized at CES and adopted by leading professional institutions, ChoiceDx is today deployed across 60+ countries. Ryan has directly collaborated on R&D and commercial projects with some of the world's most recognized brands including L'Oréal, Estée Lauder, Beiersdorf (Nivea), and P&G — gaining deep insight into the standards and expectations of skin diagnostic technology at the highest level. With direct sales and partnership experience across 40+ countries spanning APAC, Europe, the Middle East, and Africa, Ryan brings a trust-first, relationship-driven approach to building lasting global business networks. 📩 Open to partnerships, distribution inquiries, and global collaboration.

Country

South Korea

City

Gyeonggi

Industry

Information Technology & Services

Skill

International Business Development, Project Management, Skin diagnosis, hair diagnosis, headlamp, loupe, Optical Design, Management, Competitive Analysis, Telecommunications, Marketing, Mobile Devices, Sales, Product Marketing, Marketing Strategy, Product Management, International Sales, Business Development, GSM, Customer Service

Experience

CEO & Founder

Choicetech Korea

2021-11 - Present · 4 yrs 11 mos

Yongin

Driving innovation from skin & hair diagnosis R&D to global custom projects. Pioneering headlamp optical design and expanding into international markets. Skin & Hair Diagnosis R&D | Custom Solutions for Global Enterprises Headlamp Design & Optical Engineering | Global Business Development Building multinational partnerships through technical innovation and execution excellence

CEO

Chowis Co., Ltd

2012-10 - 2025-12 · 13 yrs 3 mos

Yongin

Director of Marketing & Sales

Aram Huvis

2009-9 - 2012-9 · 3 yrs 1 mo

Bundang, South Korea

• Managed and worked in conjunction with business partners and agents on various relationships in European, Asian, American market as the marketing/sales manager of overseas market. • Planning & managing in the major exhibitions and participate as a representative of the company. • Main achievements Receiving PO of 1.5M USD for a mobile skin/hair diagnosis system. Managing the total procedure of sales/marketing including logistic to After-sales. Managing business partners in APAC, EU, and Middle East region.

Sales manager of EMEA & APAC

Axesstel, Inc.

2008-1 - 2009-6 · 1 yr 6 mos

• Worked in conjunction with V.P. of Sales in the various Regions developed comprehensive sales strategies and penetrated key regional accounts, with the added responsibility for being the commercial interface into key customers in Asia Pacific region. • Established relationships & generated sales by interfacing directly with decision-makers within cellular operators and partners in both emerging & developed telecom markets, including Europe & Middle East (including: India, Indonesia, Poland, Vietnam, Malaysia, Myanmar, China, Philippines, Thailand, Nepal and etc) • Major business partners: Orange Poland, BSNL India, China Telecom, Telecom Malaysia, Smart Telecom Indonesia etc. • Carried out extensive market & competitor analysis for multiple regions, sales prospecting & qualification in addition to penetration of key operators & distributor accounts. • Participated in the major CDMA & GSM exhibitions worldwide as well as various summits as the company representative. • Main Achievements Managing $ 2.4M government bidding of BSNL, the Indian national telecom org. Managing $ 170M mobile USB modem (1.2M units) deal with Smart Telecom. $ 180k fixed wireless phones deal with Myanmar national telecom org.

Sales & Marketing team staff

AsianFilmMarket (AFM, PIFF 2007)

2007-2 - 2007-11 · 10 mos

• Responsible for the overall sales of the offices for the exhibitors and managed registration and payment process. • Established direct relationship with the market participants and responsible for the overall customer service. • Worked closely with the public magazine firms for the marketing & publishing of AFM including Nielsen and The Variety. • Responsible for interviews of over 200 job applicants and also leading & managing 30 team members during the event