Winning High-Stakes Enterprise Deals: The Value of a 1-Week ML Migration
A deep dive into the $250K GS E&C deal win against Databricks and how demonstrating rapid value through technical proof is the ultimate differentiator.
Impact
40%
LLM Automation
Reduced operational overhead through Claude-powered workflow automation and AI-assisted documentation.
40%
Customer Growth
Scaled enterprise customer base at Greybox through technical advisory and custom evaluation frameworks.
50M+
Rows / Day
Engineered distributed data processing on Spark/Kubernetes at Class101, handling 50M+ daily transactions.
$20M
Series A
Led technical strategy as CTO, securing $20M in funding with high-performance recommendation engines.
Expertise
Applied AI & LLMs
Prompt engineering, agent development, RAG pipelines, LLM evaluation frameworks, and Claude API integration in production environments.
Data & Infrastructure
End-to-end data pipelines (dbt, Spark, Kinesis), multi-cloud architecture (GCP, AWS), and scalable infrastructure on Kubernetes.
Technical Leadership
Ex-CTO experience, enterprise technical advisory, developer workshops, and cross-functional stakeholder alignment. Bilingual in Korean and English.
Writing
All posts→Building an AI Data Analyst with Snowflake Intelligence: A Practical Guide
How to build a conversational AI analyst that actually understands your business terminology using Snowflake Cortex Analyst and Intelligence Agents
Data Governance in the Age of AI: What Changes and What Stays the Same
As AI transforms how we use data, governance must evolve - but the fundamentals remain critical
The SAP HANA to Snowflake Transformation: A Value Engineering Perspective
How migrating from legacy SAP architectures to a modern data stack unblocks enterprise AI and drives measurable business ROI.
Multi-Cloud Data Strategy: Escaping Vendor Lock-in Without Creating New Problems
How enterprises can achieve cloud flexibility without falling into the data copy trap
Projects
All projects→Publications
Build Your Own Netflix
A full-stack guide to movie recommendation systems, published on Amazon.
View on Amazon→