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DOUB continuously strives to become a future-oriented platform driven by technologies based on data analysis.

Our Business

As demonstrated by its name, Do Your BEST –

DOUB is a tech company specializing in big data and AI technology, leading the future development of the limitless world of data.

Providing Big Data/ AI Solution and Developing Marketing Environments

DOUB has an open storage/analysis/visualization system for big data and a business engine that recommends the product and information most wanted by the customers.

Implementation and Development of Mass Data-based Service System

DOUB is experienced in implementing web business platforms that can handle large volumes of data and users such as customer centers and portals.

Building Services Applied with Data Analysis and Recommendation Engines

DOUB possesses various experiences from devising large-scale service app strategies for public offices and conglomerates to design/development/marketing.

O2O Service Planning and BPR/ISP Consulting

From environmental analysis to process redesigning and devising digitization strategies, DOUB has platforms optimized for professional consulting and O2O business environment.

Our History

Making data more valuable than anything,

we will become the pioneer of AI-based data analytics technology to pave the future of businesses.


Our Team

Hyun Gon. Son


Ssangyong Information and Communication Research Institute

Head of Gaeasoft Service Business Division

CEO of Teazen (2.8B KRW in revenue, 2010)

Vice President UNUS (18.9B KRW in revenue, 2013)

Overseeing business development

Eun Jung. Lee


Ssangyong Information and Communication Research Institute
Gaeasoft Service Development Team Leader
Commercialization of real-time Korean language TA as the first mover
Research and development of core technology 

So Yeol. Son

General Manager

Gaeasoft Service Development Team
UNUS Business Strategy Team Leader
Big data analysis
AI product planning
Solution service planning

Jong Chan. Kim

General Manager

Gaeasoft Service Development Team
Omnitel System Development Team Leader
Development of big data and recommendation engine 
AI technology development
Solution technology development

Kwan Hee. Lee

General Manager

Gaeasoft Service Development Team
UNUS Service Development Team Leader
O2O service development
AI product development
Application service development


Voice chatting service Voice EMR+ launched
Successful graduation from Ministry of SMEs and Startups TIPS project (M&A)
Commercialization of DeepMiningCA, a customer center consultation and analysis service for small and medium-sized businesses


Voice nursing record service Vobile ENR developed at Eunpyeong St. Mary's Hospital
Selected as the 6th best team of Shinhan Open Innovation


Commercialized AI-based conversational robot writing platform

Commercialized chatbot services for Ministry of Public Administration and Security’s Safety Report as well as for the financial industry

Launched SpeechEMR, an AI service targeted for the medical field


Selected for the TIPS business by the Ministry of SMEs and Startups (Speech recognition/analysis AI for the healthcare sector)

Selected for the R&D project by the Ministry of Public Administration and Security (Conversational AI for Living Safety Report)


Entered the market for real-time text analysis solutions

Raised seed-round funding (POSCO Technology Capital)


Certified as a venture enterprise

Launched customer center analytics solution

Merged Wellrise and DOUB, changed the company name to DOUB, Inc.


Launched IoT big data solution and recommendation engine

Established corporate R&D center


Founded Wellrise Inc.


Experience the future of technology based on AI data analytics.

Service Enquiry

9F, 507, Gangnam-daero, Seocho-gu, Seoul, Republic of Korea


+82 2 565 6627

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