challenges
For Business
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
challenges
For Business
Who We Are
Results
share
Follow
Following
Unfollow
정욱 김
share
Follow
Following
Unfollow
Euljiro-dong, Seoul, South Korea
message
Roles I’m interested in
Blogger
Read More about 정욱
Roles I’m interested in
Blogger
more
Challenges
Following
Followers
Activity
Awards
Challenges
Teams
HANul
Following
Followers
Activity
Awards
