RAIN AI

ONE TEAM, THREE LENSES

기술의 깊이를
일의 변화로.

01 백승우02 이현진03 한준형Contact: rain.ai.korea@gmail.com

Seungwoo Baek백승우

CEO

AI Agents / Product Engineering

Turning complex technology into products people use.

Designing one continuous path from problem definition and implementation to operational tools and client communication.

Measuring completion by changes in users’ work and deliverable outcomes.

SELECTED PATH

  1. RAIN AI · Co-Founder & CEO
  2. TheVC · AI Peer Discovery Agent, Project Lead
  3. PETAROUND · Mobile Application Developer
  4. Text-to-SQL Slack Agent, Project Lead
  5. Fortuna · On-Device AI & AR App
  6. WEMADE · Frontend Web Developer
  7. Seoul National University · B.S., Computer Science & Engineering

WORKING WITH

ReactNext.jsVue.jsNuxt.jsJavaScriptHTMLCSSAndroidAndroid StudioKotlinJavaFlutteriOSPythonDjangoFastAPISQLDockerClaudeMCPRAGLLM Fine-tuningLoRASFTKoreanEnglish

Hyunjin Lee이현진

CTO

Bioinformatics / Machine Learning

Defining precise questions in incomplete, heterogeneous real-world data.

Turning them into verifiable learning systems.

Testing not only model performance, but also whether the data, hypothesis, and evaluation design hold together.

SELECTED PATH

  1. RAIN AI · Co-Founder & CTO
  2. VC Investment Reporting AI Agent, Technical Lead
  3. SNU BHI Lab · Undergraduate Research Intern
  4. Fortuna · On-Device AI & AR App
  5. SNU SSAI Program · Vision AI Research
  6. Seoul National University · B.S., Computer Science & Engineering

WORKING WITH

PythonCC++JavaKotlinSQLPyTorchNumPyHugging FaceCUDAPEFTDockerGitLaTeXKoreanEnglishJapanese

Joonhyung Han한준형

Research Engineer

Tabular Foundation Models / IR

Exploring reasoning over structured data and uncertainty through a mathematical lens.

Designing not only for results, but for how evidence is retrieved, measured, and reproduced.

Connecting deep theory to practical, explainable systems.

SELECTED PATH

  1. RAIN AI · Co-Founder & Research Engineer
  2. SNU Language & Data Intelligence Lab · Undergraduate Researcher
  3. TheVC · Venture Peer Analysis Tool, Development & Evaluation
  4. Jane Street ETC · Quantitative Trading Challenge
  5. Text-to-SQL Slack Agent, Researcher
  6. Seoul National University · B.S., Computer Science & Engineering

WORKING WITH

PythonC++OCamlLaTeXKoreanEnglishChinese