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 by Expertise
#Business#Strategy

Business Strategy

Business Development

GTM Strategy

Market Research

Strategic Partnerships

M&A

Investment Analysis

Value Proposition Design

#Business#Management

Management

Technical Program Management (TPM)

Product Management

Agile Methodologies

Technical Hiring & Assessment

#Business#Strategy#Tech

Technical Strategy

AI & Machine Learning Strategy

Agentic AI Workflow Design

RAG Architecture

Cloud Architecture

System Design

Technical Roadmapping

#Business#Product#Data

Product Design & Development

Requirements Definition

A/B Testing & Experimentation

User Experience Design

Market Analysis

UI Prototyping (Figma, etc.)

#Tech#Data#Backend

Database

Vector Databases (Pinecone, etc.)

Azure Cosmos DB (NoSQL API)

MongoDB

Amazon DynamoDB

Elasticsearch

OpenSearch

Redis

PostgreSQL

HBase

Cassandra

Hive

#Tech#Data

Data Analysis & Engineering

Apache Spark (PySpark/Scala)

Polars (Python/Rust)

pandas

Presto (Trino)

Power BI

Tableau

#Tech#Dev#Data#AI

Programming

JavaScript & TypeScript

Python

C#

Scala

Java

Kotlin

Go

Rust

Swift

#Tech#Infra#DevOps

Cloud & Infrastructure

Azure

AWS

Docker

Kubernetes

CI/CD Pipelines

Infrastructure as Code

#Tech#Dev#Web#Mobile

Frontend Development

Next.js

Svelte / SvelteKit

React

Flutter

Swift (iOS/macOS)

.NET MAUI

Blazor Hybrid

Tauri

Electron

#Tech#Dev#Backend

Backend Development

ASP.NET Core

FastAPI

Gin (Go)

Akka (Scala)

Express.js

#Tech#AI#Dev

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

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

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.
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

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.
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

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.
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

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.
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)

Certificates

Salesforce Certified Agentforce Specialist

Salesforce
ID: 7235661
2025.12

JLPT (日本語能力試験) - N1

国際交流基金 & 日本国際教育支援協会
ID: N1A240600A
2016.08

Patents

Patent applications submitted and currently under review.