Brian Yun
Brian Yun
Co-founder & CEO at Endo Health. Redefining consumer healthcare with data-driven, conversational experiences. Medical doctor turned engineer, ex-Group Lead at Krafton, a16z speedrun founder.
Projects
Ideas brought to life. A look at the products, companies, and creative works built from the ground up.
Endo Health
Consumer healthcare startup focused on conversational, data-driven interventions for weight and metabolic health. Backed/accelerated by a16z speedrun (cohort 003); focused on voice/conversational experiences and engagement.
Glow — Weight Loss AI / glowai_app
AI-driven weight-loss coaching product referenced in social profiles and recruiting posts; positioned as an AI weight coach and consumer app for behavior change.
Text-based RPG (Krafton)
Built and launched a text-based RPG that became a nationwide viral hit while working at Krafton; led a business division of ~30 people (described on a16z founder page).
MBTI viral site and other early web projects
Built consumer web projects during/after medical school (one MBTI site reached ~500k visitors, ~1M views across viral cycle). Several early apps/sites reportedly acquired.
Water purification startup (first startup)
Early entrepreneurship presenting at Intel Global Challenge; cited as his first startup experience in founder profiles.
In the Spotlight
A collection of articles, interviews, and viral content where achievements have been shared.
Recognitions
Formal validation from the top. A showcase of official awards, grants, and government acknowledgements.
O-1A Visa
Aliens of Extraordinary Ability. Reserved for individuals who have risen to the very top of their field.
a16z speedrun selection (Cohort 003)
2024Endo Health selected and supported by Andreessen Horowitz's a16z speedrun program (cohort 003).
Pitching Ground — 2nd place
November 2017Award listed on LinkedIn honors (Pitching Ground 2nd place).
U-CONTEST — 2nd place
November 2017Award listed on LinkedIn honors (U-CONTEST 2nd place).
Samsung Humantech Paper Award — 1st place
January 2015Samsung Humantech paper award listed on LinkedIn honors (금상 / 1st place).
Minister's Award (미래창조과학부 장관상)
November 2014Listed on LinkedIn honors (Minister's Award from Ministry of Science, ICT and Future Planning).
Intel Award — APEC Accelerator Network Summit
2014Intel Award listed in honors (APEC Accelerator Network Summit).
Work Experience
Key roles that defined the journey.
Co-founder & CEO
2024–presentLeading Endo Health, a consumer healthcare startup focused on behavior change and conversational engagement for weight/metabolic health. Publicly recruiting and sharing traction (viral social views, weight-loss outcomes).
Group Lead / Engineer / Product Manager
Post-medical school (dates not listed publicly)Served as engineer, tech lead, product manager and later group lead; led a business division (~30 people) and launched a text-based RPG that became a nationwide viral hit (described in a16z founder profile).
KDB Silicon Valley (program / placement)
Recent (dates not listed publicly)Spent time at KDB Silicon Valley (noted in LinkedIn activity as a recent program/placement); returned to Korea after finishing time there.
a16z scout / community contributor
2024 (a16z speedrun cohort)Listed as an a16z scout / participant in a16z speedrun (founder cohort), participating in the a16z founder/scout network.
Membership
Affiliations and memberships in prestigious organizations and communities.
Founders-in-residence / accelerator program (Cohort 003) that selected Endo Health; network and program support.
Listed as a scout / affiliated member (per social bio).
Participation / placement noted in LinkedIn activity.
Education
Academic foundation and learning journey.
MD (medical degree)
Attended Yonsei University medical school; did clinical rotations at Severance Hospital (referenced in personal blog).
Founder / accelerator cohort
a16z speedrun cohort participation (Cohort 003) listed as program experience.
Socials
Connect and explore.