PROFILE / THROUGHLINE
Connecting search, technology, and business in one operating system.
Seungyub Jeon began in UI development in 2007, then moved through global SEO consulting, AI SaaS business development, and web and app search strategy before founding SOYOYU in 2025. His work closes the gap between technology and business by turning problems found in search and AI into products and operating methods.
A useful strategy should not end as a report. It should turn a discovered problem into a product and an operating method that can be applied to a real site.
CAREER / 2007—NOW
A long view of search, with an expanding scope of responsibility.
His work grew from web standards and UI development into search strategy, AI SaaS business development, data-led platform operations, and product building.
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012025—NOW
SOYOYU
Founder & CEODesigns how companies are discovered and understood in search and AI, and turns the technical and content work after analysis into products.
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022022—2024
GREENLABS
SEO Team LeadLed SEO and ASO strategy across web and hybrid apps, establishing a working model across product, content, and engineering teams.
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032018—2022
ODDCONCEPTS
VP, Business DevelopmentLed enterprise business development for computer-vision SaaS, including API productization and building the business development function.
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042008—2018
ASCENT AI
General ManagerLed proposals and delivery for global SEO and digital marketing engagements and taught SEO to corporate and agency practitioners.
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052007—2008
UI DEVELOPMENT
UI DeveloperBuilt a technical foundation in web standards, accessibility, and information structure through HTML and CSS UI development.
SELECTED EXPERIENCE
Putting technology to work inside organizations and markets.
Concrete project experience is separated from the timeline to keep each career stage focused and avoid repetition.
GLOBAL SEO
Global websites and search architecture
Samsung Galaxy · Hyundai Motor · Genesis · KonaWorked on global SEO proposals and delivery and served as search consulting PM for integrated website projects.
AI SAAS / ENTERPRISE
Commercializing AI solutions
Shinsegae INC · CJ OnStyle · Hyundai Department Store · LotteWorked across enterprise proposals, contract discussions, API product packaging, and go-to-market planning for computer-vision SaaS.
CONSULTING / EDUCATION
Making search strategy executable
Cheil · Innocean · Hyundai AutoEver · CJ E&M · Expedia · KakaoLed SEO proposals and delivery and shared practical standards through training for agency and partner teams.
The names below describe past project, proposal, or training experience and do not imply a current client relationship.
EXPERTISE
Five foundations behind the products he builds today
01
Search architecture
Technical and on-page SEO, content structure, semantic HTML, structured data, and accessibility
02
AI search
GEO and AEO strategy, LLM answer research, and machine-readable company and service information
03
Platforms and data
GA4 and Search Console analysis, site architecture, web and app search experience, and measurement
04
Product and business
AI SaaS productization, B2B development, GTM strategy, and cross-functional delivery
05
AI-agent development
Requirements, product design, implementation, testing, documentation, and repeatable development workflows using AI agents
EDUCATION
B.A., Media & Visual Arts, Korea National Open University · 2026NOW / BUILD & OPERATE
Building what happens after the analysis.
At SOYOYU, he builds theXEO and operates a portfolio of services that turn the technical and content work required for search and AI visibility into a repeatable product workflow.
WRITING / SELECTED NOTES
Long-form notes on search, AI, and products in practice.
Technical shifts and operating lessons are documented as articles and tools that other practitioners can examine and reuse.
SEO·GEO·AEO·A11y의 4축에서 본 65개 태그
An interactive field guide comparing correct HTML usage and common mistakes across search, AI, and accessibility.
(Opens in a new window)Schema.org 타입을 XEO 효과로 본 19장 도감
A practical reference for choosing and implementing key Schema.org types through rich results, AI citation, and complexity.
(Opens in a new window)국내 벤처캐피탈 207곳 웹사이트를 전수조사했다
A reproducible technical audit of 207 Korean venture-capital websites, with the method and exclusions made explicit.
(Opens in a new window)줍줍분석기 9개월 사용 로그를 분석했다 (+크롬 익스텐션)
A product retrospective using 3,160 analysis events collected over nine months to identify patterns and the next release.
(Opens in a new window)구글이 'AI 검색 최적화 가이드'를 냈는데, 정작 핵심은 접근성 트리였습니다
A close reading of Google's generative-AI search guidance through accessibility trees and machine-readable structure.
(Opens in a new window)OFFICIAL LINKS