Profile
Discover my professional journey, skills, and portfolio.
Sung-eon Park
パク・スンオン
Tech Visionary & Business Innovator
based in Tokyo, Japan
Languages Korean (Native), Japanese (Fluent/N1), English (Professional)
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.
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.
Forward Deployed Engineer
CurrentSalesforce
Customer Success Group
Feb 1, 2026 - Present / 123 days Tokyo, Japan (Hybrid)
Responsibilities click to expand
- Joining Salesforce as a Forward Deployed Engineer in the Customer Success Group starting February 2026.
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)
Apr 1, 2025 - Nov 28, 2025 / 241 days Tokyo, Japan (Hybrid)
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:
Business Strategist
SoftBank Corp. (ソフトバンク株式会社)
Beyond Japan Strategy Office (Beyond Japan推進室)
Apr 1, 2024 - Mar 31, 2025 / 364 days Tokyo, Japan (Hybrid)
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
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)
Oct 1, 2023 - Mar 31, 2024 / 182 days Tokyo, Japan (Hybrid)
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
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)
Apr 1, 2022 - Sep 30, 2023 / 1.5 years Tokyo, Japan (Hybrid)
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.
Skills & Expertise
Filter
Business Strategy
#Business#Strategy
Business DevelopmentGTM StrategyMarket ResearchStrategic PartnershipsM&AInvestment AnalysisValue Proposition Design
Management
#Business#Management
Technical Program Management (TPM)Product ManagementAgile MethodologiesTechnical Hiring & Assessment
Technical Strategy
#Business#Strategy#Tech
AI & Machine Learning StrategyAgentic AI Workflow DesignRAG ArchitectureCloud ArchitectureSystem DesignTechnical Roadmapping
Product Design & Development
#Business#Product#Data
Requirements DefinitionA/B Testing & ExperimentationUser Experience DesignMarket AnalysisUI Prototyping (Figma, etc.)
Database
#Tech#Data#Backend
Vector Databases (Pinecone, etc.)Azure Cosmos DB (NoSQL API)MongoDBAmazon DynamoDBElasticsearchOpenSearchRedisPostgreSQLHBaseCassandraHive
Data Analysis & Engineering
#Tech#Data
Apache Spark (PySpark/Scala)Polars (Python/Rust)pandasPresto (Trino)Power BITableau
Programming
#Tech#Dev#Data#AI
JavaScript & TypeScriptPythonC#ScalaJavaKotlinGoRustSwift
Cloud & Infrastructure
#Tech#Infra#DevOps
AzureAWSDockerKubernetesCI/CD PipelinesInfrastructure as Code
Frontend Development
#Tech#Dev#Web#Mobile
Next.jsSvelte / SvelteKitReactFlutterSwift (iOS/macOS).NET MAUIBlazor HybridTauriElectron
Backend Development
#Tech#Dev#Backend
ASP.NET CoreFastAPIGin (Go)Akka (Scala)Express.js
GenAI & AI Integration
#Tech#AI#Dev
OpenAI / Gemini SDKsSemantic KernelMCP Server DevelopmentAgentforceDify
Education
Hanyang University (한양대학교)
Business School, Business Administration (경영대학 경영학부)
Bachelor of Science | Graduated: 2022 Seoul, South Korea
Note: 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 Platform Administrator II
Salesforce
ID: 7704282
2026.04
Salesforce Certified Platform Developer II
Salesforce
ID: 7697101
2026.04
Salesforce Certified Platform Data Architect
Salesforce
ID: 7581303
2026.03
Salesforce Certified Platform Developer I
Salesforce
ID: 7483390
2026.02
Salesforce Certified Data Cloud Consultant
Salesforce
ID: 7475270
2026.02
Salesforce Certified Platform App Builder
Salesforce
ID: 7469872
2026.02
Salesforce Certified Platform Administrator
Salesforce
ID: 7440962
2026.02
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.