🇰🇷 한국어 (Korean)

Engineering Leader · 0→1 Org Builder · Ex-Google (13y) · Fractional CTO / Advisor

30 years across embedded systems, consumer services, and cloud — including 13 years at Google. I build engineering organizations from zero, ship products at planet scale, and care about leaving teams better than I found them. Based in Palo Alto, working across the US and Korea.

Google (2007–2020) · 13 years

• Initiated App Indexing from a single demo → grew to a 50-person org. Featured in earnings calls, Android K release, Google I/O 2015. ~90% of team members promoted during the project.
• Lens — Staff SWE on visual search & on-device OCR
• Playstore Korea / Japan — TLM for the first regional consumer product
• Nest Store, Search Korea — multiple IC ↔ management cycles

Banksalad (2022–2023) · VP of Engineering

• Led 40+ engineers
• 75% cloud cost reduction in six months
• 20× Mydata service performance improvement

MegazoneCloud (2025–2026) · Distinguished SWE

• CEO Office technical advisory · SDLC guidelines
• Korea's largest cloud transformation partner

KAIST (2023–2026) · Adjunct Professor

• Teaching AI & Recommendation Systems · 3 consecutive years · ~80 students per semester

Co-founder · exemplar.ai — RAG-based educational AI

📝 Brunch — Korean essays on engineering, cloud, AI

• Memory — career retrospective series
• Cloud Solutions Report — NIA-published industry deep dives (quarterly)

🎓 Online courses — Inflearn · FastCampus · Class101

Engineering Org Building · AI/LLM Productization · Cloud Cost & Scale · Search & Recommendation Systems · Korea ↔ US Engineering Bridge