- 'Ankus'( Mapreduce based data mining and machine learning algorithm library) open source project founder.Ìý
(http://www.openankus.org)
- 'Flamingo Hadoop Manager'(Big data open source platform) open source project committer.Ìý
(http://confluence.openflamingo.org/display/BLOG/Committers)
- TadPole open source project committer.
(https://github.com/hangum/TadpoleForDBTools/wiki)
- Founder and leader of women developers community in Korea
(http://cafe.naver.com/womendevel)
- Java tutor of Gyeonggi Women’s Development Center in Government of South Korea