세인 장

Sein Jang's work experience includes the following:

- Currently serving as the Chief Information Security Officer at Viva Republica (Toss) since June 2022.

- Previously worked as a Manager at Viva Republica (Toss) since April 2020.

- Held the position of 암호화 at NCSOFT from August 2013 to April 2020.

- Worked as a 작업 at Wins from April 2012 to July 2013.

- Started their career as a 취업 at 유언시스템 from April 2010 to March 2012.

Sein Jang attended Cheonan University from 2002 to 2009, where they pursued a degree in Information Security. Unfortunately, no information about additional certifications, including the name of the certification, the institution granting it, or the year/month of their attainment, is available.