Profile

Sung-eon Park

パク・スンオン

Tech Visionary & Business Innovator

based in Tokyo, Japan

Sung-eon Park

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

Filter

business

Business Strategy

Business Development

GTM Strategy

Competitive Analysis

Market Research

Business Process Improvement

Strategic Partnerships

business

Leadership & Management

Digital Transformation

Strategic Planning

Innovation Management

Project Management

Agile Methodologies

business

Technical Strategy

AI & Machine Learning Strategy

Cloud Architecture

Enterprise Solutions

System Design

Technical Roadmapping

business

Product Design & Development

Product Management

Data Analytics

User Experience Design

Market Analysis

Business Intelligence

technical

Database

Apache HBase

Apache Cassandra

Apache Hive

MongoDB

Azure Cosmos DB (NoSQL API)

Amazon DynamoDB

Elasticsearch

OpenSearch

Apache Solr

Apache Lucene

Redis

MS-SQL

PostgreSQL

MariaDB

SQLite

technical

Data Analysis Tools

Apache Spark (PySpark/Scala)

Polars (Python/Rust)

pandas

Presto (Trino)

BI : Power BI, Tableau

Kibana

technical

Programming

JavaScript & TypeScript

Python

C#

Scala

Java

Kotlin

Go

Rust

Dart

Swift

technical

Cloud & Infrastructure

Azure

AWS

Docker

Kubernetes

CI/CD Pipelines

Infrastructure as Code

technical

Frontend (Web) Development

Next.js

Gatsby

Svelte

React Router

Blazor (WASM/Server)

Django

Play! Framework (Scala)

technical

Frontend (Native) Development

Blazor Hybrid (.NET MAUI)

.NET MAUI

Electron

Tauri

Flutter

Swift (iOS, macOS)

technical

Backend Development

ASP.NET Core

FastAPI

Gin

Akka (Scala)

Express.js

Flask

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

SoftBank Corp. (ソフトバンク株式会社)
SB OpenAI Preparation Office (SB OpenAI準備室)

Responsibilities

  • 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.
Apr 1, 2025 - Nov 28, 2025 / 241 days Tokyo, Japan (Hybrid)

Business Strategist

SoftBank Corp. (ソフトバンク株式会社)
Beyond Japan Strategy Office (Beyond Japan推進室)

Responsibilities

  • 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.
Apr 1, 2024 - Mar 31, 2025 / 364 days Tokyo, Japan (Hybrid)

Product Manager

LY Corporation (LINEヤフー株式会社)
LINE News (メディアカンパニー LINEメディア統括本部 企画デザイン本部 サービス企画4部)

Responsibilities

  • 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.
Oct 1, 2023 - Mar 31, 2024 / 182 days Tokyo, Japan (Hybrid)

Product Manager

LINE Corporation (LINE株式会社)
LINE News (ポータル&サーチカンパニー サービス企画4室)

Responsibilities

  • 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.
Apr 1, 2022 - Sep 30, 2023 / 1.5 years Tokyo, Japan (Hybrid)

Education

The logo of Hanyang University

Hanyang University (한양대학교)

Business School, Business Administration (경영대학 경영학부)

Bachelor of Science | Graduated: 2022 Seoul, South Korea

Due to mandatory military service in South Korea, I took a leave of absence for about two years. (2018/04 ~ 2020/02)

Patents

Patent applications submitted and currently under review.