Profile
Sung-eon Park
パク・スンオン
Tech Visionary & Business Innovator
based in Tokyo, Japan

Introduction
- Early adopter of emerging technologies
- Fluent in Korean, Japanese, and English
- Passionate about Agentic AI and future mobility
- Avid photographer, capturing the world one frame at a time 📷
- Electric vehicle advocate 🚗
My Vision
To eliminate inefficiencies by leveraging technology to improve lives.
My Mission
To fuse technical expertise with strategic business insight, driving digital transformation and tackling deep-rooted challenges.
Skills
Business Strategy
Business Development
GTM Strategy
Market Research
Strategic Partnerships
M&A
Investment Analysis
Value Proposition Design
Management
Technical Program Management (TPM)
Product Management
Agile Methodologies
Technical Hiring & Assessment
Technical Strategy
AI & Machine Learning Strategy
Agentic AI Workflow Design
RAG Architecture
Cloud Architecture
System Design
Technical Roadmapping
Product Design & Development
Requirements Definition
A/B Testing & Experimentation
User Experience Design
Market Analysis
UI Prototyping (Figma, etc.)
Database
Vector Databases (Pinecone, etc.)
Azure Cosmos DB (NoSQL API)
MongoDB
Amazon DynamoDB
Elasticsearch
OpenSearch
Redis
PostgreSQL
HBase
Cassandra
Hive
Data Analysis & Engineering
Apache Spark (PySpark/Scala)
Polars (Python/Rust)
pandas
Presto (Trino)
Power BI
Tableau
Programming
JavaScript & TypeScript
Python
C#
Scala
Java
Kotlin
Go
Rust
Swift
Cloud & Infrastructure
Azure
AWS
Docker
Kubernetes
CI/CD Pipelines
Infrastructure as Code
Frontend Development
Next.js
Svelte / SvelteKit
React
Flutter
Swift (iOS/macOS)
.NET MAUI
Blazor Hybrid
Tauri
Electron
Backend Development
ASP.NET Core
FastAPI
Gin (Go)
Akka (Scala)
Express.js
GenAI & AI Integration
OpenAI / Gemini SDKs
Semantic Kernel
MCP Server Development
Agentforce
Dify
Work Experience
Product & program manager with experience spanning AI product development, business strategy, and large-scale data analysis. At SoftBank, I’ve led agentic AI product development, guided M&A and go-to-market strategies, and translated technical complexity into business impact. Previously at LINE, I managed service planning, API development, and TB-scale user data analysis. I bring a blend of technical fluency and strategic execution to deliver products that scale and create business value.
Technical Program Manager & Product Manager
Responsibilities
click to expand
- Led planning and PoC delivery of enterprise AI agent products and related backend systems for Japanese enterprise customers.
- Owning end-to-end PoC cycles from problem framing, requirements definition, architecture design support, and technical validation through Go/No-Go recommendations.
- Evaluated new LLM, agentic workflow, RAG, and vector database technologies hands-on and translated findings into concrete adoption strategies for internal and external stakeholders.
- Structured complex technical and business constraints into concise one-page materials to support quick decision-making by executives and partner companies.
- Defined hiring profiles, evaluation criteria, and interview processes for Forward Deployed Engineers and other technical roles, and participated in interviews as a technical assessor.
- Supported technical success initiatives for early customers, including usage design, guardrail planning, and quality monitoring of AI workflows after rollout.
Related links:
(Press Release) Establishment of SB OAI Japan GKBusiness Strategist
Responsibilities
click to expand
- Designed non-organic growth strategies, including minority investments, M&A, and strategic partnerships with overseas technology companies.
- Worked with executives, finance teams, and external partners such as IBs, VCs, and target company management to build investment theses and business synergy hypotheses.
- Planned go-to-market strategies for overseas portfolio companies entering Japan and APAC, including target segments, ICP, value propositions, and partnering models.
- Conducted cross-industry research on market, technology, macroeconomic, and geopolitical trends and regularly briefed executives with concise, actionable insights.
Product Manager
Responsibilities
click to expand
- Continued as Product Manager for LINE News after the merger of LINE Corporation and Yahoo Japan Corporation.
- Maintained and improved service KPIs during organizational changes by keeping product roadmaps, experiments, and backend projects on track across multiple teams.
- Coordinated cross-functional stakeholders in editorial, business, and engineering to ensure a smooth transition of ongoing initiatives.
Product Manager
Responsibilities
click to expand
- Product planning and project execution for LINE News across UX design, user research, backend development, machine learning features, and data analysis.
- Directed development of internal API services by clarifying interface and quality requirements and collaborating with engineers to continuously improve reliability and performance.
- Designed and evaluated large-scale A/B tests using TB-scale behavioral data to identify UX improvement opportunities and measure impact on key product metrics.
- Collaborated with editorial, business, and engineering teams on initiatives such as local information features and cross-company campaigns.
- Leveraged internal data warehouses and data lakes for exploratory analysis to generate hypotheses and iterate quickly on product ideas.
Education
Hanyang University (한양대학교)
Business School, Business Administration (경영대학 경영학부)
Due to mandatory military service in South Korea, I took a leave of absence for about two years. (2018/04 ~ 2020/02)
Certificates
Salesforce Certified Agentforce Specialist
JLPT (日本語能力試験) - N1
Patents
Patent applications submitted and currently under review.