Costas Sakellariou
CEO at MCOMS
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Summary
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Rockstar🎓
Top SchoolCostas Sakellariou is a technology entrepreneur and CEO with over three decades of experience designing and commercializing digital video, IPTV and interactive media systems for telecommunications, hospitality and digital signage markets. He founded and leads MCOMS, bringing deep product and business development expertise built on earlier roles delivering MPEG/DVB satellite platforms for Hellenic Telecom and engineering MPEG-based systems at Philips Research. Equally comfortable in C-suite strategy and hands-on engineering, he contributes to open-source game and engine projects—such as server-side work on the popular Glowstone Minecraft server and movement/source-control tooling for Unreal Engine—demonstrating ongoing low-level systems and C++/Java proficiency. A Columbia-trained electrical engineer, he blends academic rigor with a pragmatic ability to shepherd complex projects from protocol design through commercial deployment. Less obvious: he maintains active developer involvement in niche, version-sensitive codebases, showing a rare mix of legacy video systems expertise and modern game/server development.
11 years of coding experience
MS, Electrical Engineering, MS, Electrical Engineering at Columbia EngineeringBS, Electrical Engineering, BS, Electrical Engineering at National Technical University of Athens
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Github Skills (19)
minecraft10
git10
c-language10
develop10
unreal-engine-510
unreal-engine-410
bukkit10
spigot10
git-lfs10
java10
javas10
unreal10
mc-server10
cprogramming-language10
server10
Programming languages (27)
Github contributions (5)
ProjectBorealis/UEGitPlugin
Nov 2018 - Jan 2023
Unreal Engine Git Source Control Plugin (refactored)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:22 releases, 52 reviews, 255 commits in 4 years 3 months
Contributions summary:Costas primarily refactored and modified the Git Source Control Plugin for Unreal Engine. Their work involved changes to the GitSourceControlProvider and GitSourceControlUtils files, including implementing Git LFS features like file locking, and adjustments for new Unreal Engine versions. They also made improvements to the settings user interface and addressed the build system. Further contributions involved modifications to various operations within the plugin.
unreal-enginesource-controlversion-controlgitignoreunreal
GlowstoneMC/Glowstone
Oct 2016 - Nov 2022
A fast, customizable and compatible open source server for Minecraft: Java Edition
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 releases, 34 reviews, 324 commits in 6 years 2 months
Contributions summary:Costas primarily contributed to the Glowstone Minecraft server project by modifying core Java code. The commits show changes to features, including bow mechanics, teleport commands, and double plant generation. These changes were often focused on updating the server to support new Minecraft versions and APIs, demonstrating an understanding of server-side development and game mechanics.
minecraftglowstonebukkitcustomizablemappings
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