• I was born at 8th, April, 1977.
• My real name is JeongDong Hwang. JeongDong is my first name.
• My family members are parents, a brother (2 years younger than I) and I.
• Before going to university, I lived in Kangwon-do, very rural place.

• Graduated Dong-ho elementary school at 1990.
• Graduated Yul-gok middle school at 1993.
• Graduated Kang-nung high school at 1996.
• Entered College of Natural Science in Seoul National University at 1996.
• Got BS degree in Computer Science and Physics at 2001.

• Dec. 1997 - Select Computer Science as my Major in College of Natural Science.
• Spring, 1998 - Met my love, sangry.
• Summer, 2000 - Backpack Travel to Europe.
• Summer, 2003 - Again Europe. For business trip & travel.
• Winter, 2003 - Visit Tokyo, Japan. For business trip.
• 15th, May, 2004 - Marriage.
• 21st, Oct, 2004 - Met my daughter, YunJeong.
• 24th, Jul, 2006 - Met my son, HyeonWoong.

• All Lectures I listened in SNU and My Works.

• Worked as a system engineer at Neo*Wiz corporation. (Jan. 2001 ~ Oct. 2005)
• Worked as a system engineer and programmer at 1noon corporation. (Oct. 2005 ~ Jun. 2006)
• Working at NHN corporation. (Jul. 2006 ~ )