Built by people who turn technology into businesses.
Extension AI connects global platform operations, technical leadership of large-scale commercial services, and growth experience from venture-backed startups to turn AI technology into real industry results.
Our DNA: engineering × execution × growth
Global platform experience
Operating digital platforms for a global enterprise and building products used at scale.
Real launches, real operations
Products shipped and run in production across mobility, e-commerce, subscriptions, and outdoor services.
Security and AI
AI-driven security validation and execution control, engineered as systems rather than demos.
Commercialization and management
Business operations, finance, investor relations, and strategy that turn technology into a company.
The minds behind the intelligence
From global enterprise platforms to AI-driven cybersecurity, our leadership brings together the vision, engineering capability, and operational discipline to turn ambitious technology into real-world impact.
Steve Sunggeol An
Founder & CEO
Technology entrepreneur spanning global digital platforms, enterprise software transformation, and startup engineering leadership.
Focus
- Global Platforms
- Enterprise Architecture
- AI Strategy
- Digital Transformation
Former Global E-commerce Product Owner at Philip Morris International and Chief Technology Officer at The Trive, Overmaps, and Workation. Combining global enterprise environments with hands-on startup experience, he leads Extension AI's AI technology vision, the business strategy of the BOUND cybersecurity platform, and international expansion.
Career
- Philip Morris International · Global E-commerce Product Owner
- The Trive · Chief Technology Officer
- Overmaps · Chief Technology Officer
- Workation · Chief Technology Officer
- Stony Brook University · Computer Science
Mat Wonho Choi
Co-Founder & Technical Director
Engineering leader with commercial software experience since 2016 across connected vehicles, e-commerce, and digital platforms.
Focus
- AI Engineering
- Software Architecture
- Cybersecurity SaaS
- Cross-Platform Development
- CI/CD
Built and modernized consumer-facing products at Obigo, Pawcompany, ABLY, and Jeongyookgak, then led software engineering teams at The Trive and Overmaps, covering new platform builds, cross-platform development, and CI/CD. As Co-Founder and Technical Director, he directs the architecture and end-to-end engineering of BOUND, alongside AI multi-agent development automation.
Career
- Extension AI · Co-Founder & Technical Director
- Overmaps · Software Engineering Team Lead
- The Trive · Software Engineering Team Lead
- Jeongyookgak · Software Engineer
- ABLY · Frontend Developer
- Pawcompany · Frontend Developer
- Obigo · Frontend Developer
Collin Hyesoo Kim
Chief Operating Officer
Business operations executive with international commerce experience and a proven record of driving growth.
Focus
- Business Operations
- Corporate Management
- Revenue Growth
- International Business
Worked as a Merchandiser at Li & Fung, including an overseas assignment in Guatemala, and achieved 3× revenue growth within nine months while serving as CEO of Studio Dacks. At Extension AI, she oversees corporate operations, finance, people management, marketing, and business administration.
Career
- Studio Dacks · Chief Executive Officer · 3× revenue growth in 9 months
- Li & Fung · Merchandiser · overseas assignment in Guatemala
- Ewha Womans University · Business Administration
Joon Im
Chief Strategy Officer
Strategy leader whose background spans visual communication, design leadership, mobility business operations, and investor relations.
Focus
- Corporate Strategy
- Business Development
- Investor Relations
- Brand & Design Strategy
Spent approximately seven years at The Trive managing visual media and design, then served as CDO at Vari Corporation's Light Bagen motorcycle subscription business while also handling automotive business management. At Overmaps, led design alongside business operations and IR. Now drives corporate strategy, fundraising, business development, and strategic partnerships at Extension AI.
Career
- Overmaps · CDO · Business Management & IR
- Vari Corporation / Light Bagen · CDO · Automotive Business Management
- The Trive · Designer
- Korea National University of Arts · Installation, Video & Digital Imagery
Selected track record
Products our leaders helped build and operate at previous companies, in ventures that went on to raise funding.
Overmaps / ZELO
Home-appliance subscription platform
Experience building ZELO, a home-appliance subscription platform at Overmaps, in a venture that reached an impact-investment Seed stage, from early service development to seed-stage business operations.
Our team's roles
- Chief Technology Officer
- Software Engineering Team Lead
- CDO · Business Management & IR
Workation
Total outdoor platform
Led development of a total outdoor platform at Workation, owning technology strategy and product execution in a Pre-Series A growth environment.
Our team's roles
- Chief Technology Officer
The Trive
Car subscription platform
Built and operated a car subscription platform at The Trive, gaining experience scaling a mobility service through a Series A stage.
Our team's roles
- Chief Technology Officer
- Software Engineering Team Lead
- Designer
Milestones & market validation
What Extension AI itself has done so far, stated as it is.
- 01View the listing
Listed in KISA's Information Security Directory
Extension AI and BOUND 1.0 are registered on the KISA Information Security API Sharing Portal.
- 02KISA API portal
BOUND registration and security-data API linkage
BOUND product information is registered on the KISA portal, with security-data API linkage pursued and operated through it.
- 03AWS Startups
Selected for the AWS Startup program
Extension AI has been selected for Amazon Web Services' startup program, which supports early-stage companies building on AWS.
- 04
Currently raising seed funding
A seed round is in progress.
- 05Programme site
Participating in Global Fast Track 2026 (Hong Kong)
A year-long hybrid programme organised by Invest Hong Kong, Hong Kong FinTech Week and StartmeupHK that connects startups with investors and corporates and supports market entry into Hong Kong and Asia. The programme culminates at Hong Kong FinTech Week × StartmeupHK 2026.
- 06
University of Seoul 2026 Global Impact Connect
Selected as one of the final two teams in the program.
Our next chapter
We are building an early customer base in Korea, Japan, and Hong Kong, and we are oriented toward global expansion from there. The product direction stays the same: AI that acts within authorization, security that proves rather than assumes, and intelligence adapted to the problems that matter in each industry.
What we build
The problems we solve, our engineering approach, our products, and our intellectual property.
Experience our security technology.
Explore BOUND with a complimentary baseline assessment, subject to scope and authorization review.