About Me


Hi, my name is Edward J. Yoon (윤진석), was born in December 21, 1979. I’m interested in linear algebra, machine learning, graph theory, and distributed systems.  I’m also an open source software developer. I’m currently developing distributed system clone projects such as Apache Hama, MRQL, BigTop, and Horn on the Apache Software Foundation.

If you want to contact to me:
edwardyoon AT apache DOT org.

Work Careers

  • 2018.09 ~ 2019.06: Head of R&D at Spoon Radio
  • 2017.03 ~ 2018.04: CTO at with innovation aka "여기어때"
  • 2014.12 ~ 2017.03: Senior Software Engineer, Samsung Electronics
  • 2013.12 ~ 2014.11: CEO and Founder at DataSayer
  • 2012.07 ~ 2013.08: Senior Software Engineer/Pre-sales at Oracle corporation
  • 2011.01 ~ 2012.06: Project Manager at Korea Telecom
  • 2007.01 ~ 2011.01: Senior Software Engineer at Naver, corp

Open Source Activities

  • 2016.11 ~ Present: Committer of Apache Openwhisk
  • 2015.10 ~ Present: Mentor of Apache HORN
  • 2015.03 ~ Present: Member of Apache Software Foundation 
  • 2013.03 ~ Present: Committer of Apache MRQL
  • 2012.05 ~ 2013.05: Chair of Apache Hama
  • 2011.06 ~ Present: PMC member, Committer of Apache Bigtop project 
  • 2011.04 ~ 2016: Mentor, Google Summer of Code
  • 2007.05 ~ Present: Founder of Apache Hama

Books

무한의 세계

무한 집합의 크기 Cardinality , 즉 원소의 개수를 수학에서는 '농도'라고 말한다. 유한 집합의 크기는 그대로 원소의 개수 이지만, 무한 집합의 경우는 원소의 개수를 낱낱이 셈하는 것은 불가능하기 때문에 '농도'라...