Leadership

Executives

CEO Founder Chasung Lim

Chasung Lim

CEO / Founder

As a CEO and founder of SecuLetter, Chasung Lim is responsible for design & developing products, commrecializing new technology and also driving global business.
Mr. Lim was an analyst in cyber security companies in Korea for more than 7 years with his own patent of new technology below.

  • Design & Develop DICA (Dynamic Intelligent Content Analysis) Cloud System Engine
  • Design & Develop Automatized Non-PE Vulnerability Analysis (Auto Vulnerability Analysis System) Engine
Dongjin Jung (CSO)

Dongjin Jung

CSO

Mr. Jung has served as a Director, Global Business Manager, and Head of Strategy at an IT/Software company for the past 17 years. He has experience in establishing strategies to create new business opportunities, identifying strategic partners around the world, and promoting business cooperation. He has found and achieved business in various countries in Asia, the Americas, and Europe, and has experience in establishing and executing various online and offline marketing strategies for business success.

Dongjin Jung (CSO)
CTO Seungwon Lee

Seungwon Lee

CTO

Innovative, articulate, goal-oriented IT security specialist with over 20 years of experience working for top multinational companies, including Samsung Electronics and AhnLab.
Mr. Lee has multiple patent written as below.

  • PE File Diagnostic System and its Method and Applicable Modules, 2010
  • Apparatus and Method for Automatically Discriminating Malicious Code, 2012
  • Apparatus and Method for Detecting Forged/Tampered Applications, 2013
  • Apparatus and Method for Detecting Malicious Applications, 2013
  • Method and Apparatus for Inspecting Malicious Message, 2014
  • Method and Apparatus for Detecting Risk of Message, 2014
Business Director Johnnie Kim

Johnnie Kim

Business Director

Mr. Kim is responsible for domestic & public sales business. As a business director, he builds strategies/infrastructures/organizations for marketing, sales, and channel business.

  • 2001 ~ 2022 Ahnlab : Endpoint, Security (Consulting, Security SI, Security Service)
  • Division / Channel Manager (Partner Sales), SMB Sales Manager, Telco Sales
  • 2020 : Director of entire anti-vaccine business for Ministry of National Defense
  • 2018 : Director of endpoint security field for Pyeongchang Olympic Organizing Committee
  • 2014 : Director of evaluation of vulnerability analysis of key information and communication infrastructure for KERIS & National Office of Education.
Business Director Johnnie Kim