Ceo
Current
Appso Co., Ltd.
Feb 2019 - Present
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Changyong Jung Email & Phone Number
CEO at APPSO Co., Ltd
at
APPSO Co., Ltd.
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✓ Verified July 2026
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Current company
APPSO Co., Ltd.
Role
CEO at APPSO Co., Ltd
Location
South Korea, Korea, Republic of
Who is Changyong Jung? Overview
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Quick answer
Changyong Jung is listed as CEO at APPSO Co., Ltd at APPSO Co., Ltd., based in South Korea, Korea, Republic of. AeroLeads shows a matched LinkedIn profile for Changyong Jung.
Changyong Jung previously worked as CEO at Appso Co., Ltd. and President at Appso System. Changyong Jung holds Master'S Degree, Computer Engineering from 한국해양대학교 / Korea Maritime University.
Profile bio
About Changyong Jung
[ Professional Field ]1) Marine electronic equipment software development- Navigational chart display (S-57 / S-52)- AIS message encoding/decoding (ITU-R M.1371-4)- Embedded UI framework design and development- Data communication (Socket / Serial)2) 2D vector data drawing- GDI / GDI+ / Cairo / Direct2D / Etc.- OpenGL / DirectX (3D)3) Vessel monitoring software development- System architecture design / System integration- Socket programming / Serial communication interface- Satellite communication (ORBCOMM)- VHF communication (AIS)- Database (MS-SQL, MySQL, Firebird, SQLite, etc.)
Listed skills include C/C++ Stl, C#, Decoding S 57, Drawing S 57 With S 52, and 3 others.
Current workplace
Changyong Jung's current company
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Appso Co., Ltd.
6 roles
Changyong Jung work experience
A career timeline built from the work history available for this profile.
President
Current
Appso System
Jan 2015 - Present
Adjunct Professor
Korea Maritime And Ocean University
Teaching about information retrieval and maritime information system.
Mar 2013 - Dec 2018
R&D Team Manager
Navis Control Inc.
Aug 2011 - Dec 2014
Senior Researcher
Samyung Enc Co., Ltd.
1) AIS (Automatic Identification System) display unit (2004~)- MKD(Minimum Keyboard and Display unit) software design and development- Embedded system, C++- AIS message encoding/decoding according to ITU-R M.13712) GPS Plotter(Nautical navigation device) (2005~)- Embedded system, C++, Serial interface3) Nautical chart digitizing software (2005~)- PC Software based on MS Windows, VC++/MFC- Software design and development- Nautical chart file format design- Geographical vector data drawing4) AIS Plotter software (2008 ~)- AIS information and GPS data display on Nautical chart- PC Software based on MS Windows- VC++, Geographical vector data drawing, Serial communication interface5) Echo sounder display unit (2007~)- Embedded system, C/C++- UI Framework design- Application design and development6) VMS (Vessel Monitoring System) based on AIS for Algeria (2008~)- VMS terminal software for vessel design and development . Based on AIS MKD software . Main function : Report position, Report fishing quantity . Embedded system / PC based . C/C++/VC++/MFC- VMS base-station software design and development . Delivering messages between vessels and data center . C/C++, VC++ . TCP/IP Socket programming- VMS data center software design and development . Storing data and delivering messages between data center and monitoring center. . VC++, MS-SQL, Socket programming- VMS monitoring & control center software design and development . VC++, Socket programming . Navigational chart display
Jul 2004 - Jun 2011
Associate Research Engineer
Iestek Co., Ltd.
1) Buoy monitoring & control system (Demo system, 2001)- Server/Client based PC software- Visual basic, Socket, Serial communication2) ECDIS (Electronic Chart Display and Information System) Software (2001~ )- C/C++, VC++, MFC- Software design and development- ENC (Electronic Nautical Chart) Kernel according to IHO S-57/IHO S-52- Serial interface with various navigational devices- Apply various graphic engines (GDI, GDI+, Cairo, Direct2D, etc.)3) 3D Nautical chart data generation and drawing engine (2002~)- MFC, OpenGL, C++- The nautical chart data is based on S-57 (ENC).
Jul 2001 - Jun 2004
2 education records
Changyong Jung education
Master'S Degree, Computer Engineering
Bachelor'S Degree, Computer Engineering
FAQ
Frequently asked questions about Changyong Jung
Quick answers generated from the profile data available on this page.
What company does Changyong Jung work for?
Changyong Jung works for APPSO Co., Ltd..
What is Changyong Jung's role at APPSO Co., Ltd.?
Changyong Jung is listed as CEO at APPSO Co., Ltd at APPSO Co., Ltd..
Where is Changyong Jung based?
Changyong Jung is based in South Korea, Korea, Republic of while working with APPSO Co., Ltd..
What companies has Changyong Jung worked for?
Changyong Jung has worked for Appso Co., Ltd., Appso System, Korea Maritime And Ocean University, Navis Control Inc., and Samyung Enc Co., Ltd..
How can I contact Changyong Jung?
You can use AeroLeads to view verified contact signals for Changyong Jung at APPSO Co., Ltd., including work email, phone, and LinkedIn data when available.
What schools did Changyong Jung attend?
Changyong Jung holds Master'S Degree, Computer Engineering from 한국해양대학교 / Korea Maritime University.
What skills is Changyong Jung known for?
Changyong Jung is listed with skills including C/C++ Stl, C#, Decoding S 57, Drawing S 57 With S 52, Ais, Vms, and Developement For Drawing Tool.
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