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Sentinel DeepActive

Category: AI in Fintech

South Korean fintech startup building AI-powered active investment systems and a transformer-based robo-advisor for retirement pensions Sentinel DeepActive was founded in 2023. The company is led by Jun Lee (이준). Based in Seoul, South Korea. Team size: 1-10. Total funding raised: $2.8M. Latest round: Strategic Investment. Key investors include Hyundai Motor Securities, Ministry of SMEs and Startups (TIPS program), Gyeonggi Center for Creative Economy & Innovation.

Founded
2023
Headquarters
Seoul, South Korea
Team size
1-10
Total funding
$2.8M

Value proposition

Transformer-based financial AI (Sentinel AI) that performs responsive (not predictive) daily active rebalancing across equities, ETFs, and commodities — built entirely in-house from model architecture to infrastructure

Products and solutions

Sentinel AI (proprietary financial investment AI), Sentinel AI Retirement Pension Robo-Advisor (targeting 2027 launch), Derivatives Trading AI, KS200-based derivatives discretionary mandate, ETF-based global asset-allocation discretionary mandate (via subsidiary Sentinel Investment)

Unique value

Responsive investment AI using deep learning for derivatives trading and pension robo-advisory, with a proprietary 2B-parameter foundation model scaling to 15B by 2027

Target customer

Financial institutions (securities firms, pension funds); retail retirement pension holders via B2B partnerships; professional investors via discretionary investment management

Industries served

Asset Management, Retirement Pensions, Wealth Management, Derivatives Trading

Technology advantage

Full-stack in-house AI: model architecture design, training methodology, and infrastructure; Transformer-based foundation model (2B params → targeting 15B); 10 registered patents (as of Feb 2026); TIPS R&D program for large-scale AI financial market prediction system; Koscom robo-advisor testbed registration pending

How they differentiate

Proprietary in-house-built transformer-based AI model (not off-the-shelf); responsive (not predictive) investment philosophy; daily active rebalancing with real-time feedback and self-learning; focus on downside protection in bear markets; target of scaling to 15B parameters and 300+ assets by 2027

Main competitors

Taivasoft (테이바소프트), Across Technologies (아크로스테크놀로지스), Quantit (퀀팃), AIM (에임), Fount (파운트)

Key partnerships

Hyundai Motor Securities (strategic investment + retirement pension/wealth management collaboration), Gyeonggi Center for Creative Economy & Innovation (TIPS program), Seoul Center for Creative Economy & Innovation (Startup Leap Package), KAIST (Startup Tech Plaza participation)

Notable customers

No named customers publicly disclosed, commercial launch targeted for 2027 with Hyundai Motor Securities pension robo-advisor

Major milestones

2023-06: Company founded (as 센티넬퀀티타티브, renamed to 센티넬딥액티브), 2025: Selected for TIPS General Track (government R&D program), 2025-12: Selected by Gyeonggi CCEI for TIPS, 2026-02: Registered 10 patents, 2026-04: 8 employees, 2026-06: Strategic investment from Hyundai Motor Securities (1.13B KRW), Launch target for AI Retirement Pension Robo-Advisor: 2027

Growth metrics

8 employees (Apr 2026); 10 patents registered; 2B-parameter model (scaling to 15B by 2027); 15 assets managed (expanding to 300+)

Market positioning

Early-stage AI fintech startup in South Korea positioning itself as a deep active alpha quant hedge fund using proprietary large-scale AI, differentiating from traditional robo-advisors through transformer-based models and responsive (non-predictive) investment approach. Currently targeting retirement pension market via Hyundai Motor Securities partnership.

Geographic focus

South Korea (domestic); expanding to Singapore/global capital markets (GITEX AI ASIA participation)

Patents and IP

10 registered patents (THE VC, last update Feb 2026), details behind login

About Jun Lee (이준)

CEO at Sentinel DeepActive (2023–present); Managing Partner, Patent Attorney at Lawyul Patent & Law Firm (2023–present)

Official website: