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Kwangjun Choi

CEO and director at Provally.

ExecutiveDirector
Updated Nov 10, 2026·Latest SEC filing Mar 25, 2026·Suggest an edit

About Kwangjun Choi

Kwangjun Choi is CEO and director at Provally.

Experience

This experience comes from Kwangjun Choi's profile and from SEC filings. For roles taken from filings, the years are when the filings name Kwangjun Choi in the role, so the role may have started earlier or lasted longer.

Provally Inc. Current
Co-Founder & CEO (2026 – Present)
Director
2026 – Present · Keller, TX
Software that helps development teams verify security findings and manage patches.
WhiteHat School | Korea Information Technology Research Institute (KITRI) Current
Technical Mentor, Windows Security
2025 – Present
Hackyboiz Current
Founder & Team Leader
2019 – Present
S2W Inc.
Senior Staff Researcher / Tech Leader
2021 – 2025
COONTEC
Researcher
2020 – 2021
SSG(Sejong Security Group)
Team Leader
2017
BlackPerl Security
Researcher
2016 – 2017
Professor Jaeseung Song's SESLab, Sejong University
Research Assistant
2014
Korea Student IT Alliance
Founder & President
2011 – 2014

Key Colleagues at Startups

The people Kwangjun Choi works with at each company, as listed on that company's latest Form D.

Provally Inc. · Form D/A, Mar 25, 2026
CH
Choi Hosu
Executive officer and director

Sources

  1. SECProvally Inc. Form D/A, filed Mar 25, 2026