


DUBU
Technology, Information and Internet • 서초대로 78길 52, Seoul, Korea, Republic of • 21-50 Employees
Company overview
| Headquarters | 서초대로 78길 52, Seoul, KR |
| Phone number | +821138701422 |
| Websites | |
| Keywords | Education, Child Education, Speech Therapy, Edutech, Speech Delays |
| Founded | 2017 |
| Employees | 21-50 |
| Socials |
Key Contacts at DUBU
Yejin Choi
Chief Executive Officer
Sol Bee Jung
Senior Director, R&D
DUBU Email Formats
DUBU uses 5 email formats. The most common is {first name}.{last name}@company.com (e.g., john.doe@company.com), used 45.6% of the time.
| Format | Example | Percentage |
|---|---|---|
{first name}.{last name}@company.com | john.doe@company.com | 45.6% |
{first name initial}{last name}@company.com | {first name initial}doe@company.com | 22.3% |
{first name}@company.com | john@company.com | 15.1% |
{first name}{last name}@company.com | johndoe@company.com | 9.8% |
{first name}_{last name}@company.com | john_doe@company.com | 7.2% |
About DUBU
Dubu (formerly known as DoBrain): For the past six years, DoBrain has been dedicated to proven early childhood brain education in a way that can be trusted by reliable individuals. In 2024, DoBrain rebranded to 'Dubu' (Diverse Understanding of a Better Universe), marking the beginning of a new chapter. While we continue to develop even more innovative products with our new name, our commitment to supporting healthy development for children worldwide remains unchanged.
DUBU revenue & valuation
| Annual revenue | $2,053,320 |
| Revenue per employee | $86,000 |
| Estimated valuation?This valuation is estimated based on industry average for the Technology, Information and Internet industry and current estimated revenues | $6,600,000 |
| Total funding | $16,200,000 |
Employees by Management Level
Total employees: 21-50
Seniority
Employees
Employees by Department
DUBU has 17 employees across 10 departments.
Departments
Number of employees
Frequently asked questions
4.8
40,000 users



