Security Engineer at Ierae Security, inc

May. 2020 -

Security Engineer at LINE Corporation

Apr. 2018 - Apr. 2020

Software Engineer at Morelor, inc.

2013 - 2017

Kyoto University Graduate School of Informatics

Apr. 2016 - Mar. 2018

Kyoto University Faculty of Engineering

Apr. 2012 - Mar. 2016

IERAE CTF 2024 (Challenge making)

Sep. 2024

IERAE DAYS CTF v0.1 (Challenge making)

Dec. 2023

ACSC 2023 (Challenge making)

Feb. 2023

ACSC 2021 (Challenge making)

Sep. 2021

TokyoWesterns CTF 2020 (Challenge making)

Sep. 2020

CODE BLUE CTF 2019 (System development)

Oct. 2019

CODE BLUE CTF 2018 Quals & Finals (Challenge making & System development)

Jul. 2018 - Nov. 2018

CODE BLUE CTF 2017 (Challenge making)

Nov. 2017

ED CTF (Challenge making)

2014