Yannis Liapis
Deputy Director - Public Sector Sales at Cosmos Business Systems
Greece
Summary
👤
Senior🎓
Top SchoolYannis Liapis is a seasoned IT and telecommunications leader with over 25 years of experience spanning software engineering, hardware sales, proposal and solution design, and cross-domain cloud deployments for carrier and public-sector customers. He combines hands-on technical roots (early career in software localization and product management) with senior sales and bid leadership at firms like IBM and Huawei, driving Private & Hybrid Cloud, Cloud & AI, and large tender wins. Skilled at CxO engagement, workshops and summit speaking, he excels in turning 0-1 breakthrough projects into scalable 1-N deployments across CEE, Nordic and Balkan regions. Currently Deputy Director for Public Sector Sales, he pairs an MBA and PMP certification with deep proposal and delivery expertise that reduces bid risk and accelerates time-to-value. Not obvious from titles alone: he has repeatedly bridged product, legal and finance teams to reconcile complex contracts, billing and delivery for multi-million euro projects. Based in Greece, he maintains an extensive industry network that fuels new ICT partnerships and long-term customer growth.
10 years of coding experience
9 years of employment as a software developer
PMP - Project Management Professional, PMP - Project Management Professional at 12PMBachelor's Degree, Computer Science, Bachelor's Degree, Computer Science at SouthEastern CollegeBusiness Management Introduction, Business Management Introduction at University College DublinMaster of Business Administration (M.B.A.), Master of Business Administration (M.B.A.) at Henley Business School
English, Greek, Italian
Github Skills (80)
gradient-descent10
python10
numerics10
deep-learning10
scientific-computing10
ml10
numpy10
root-finding10
neural-network10
numba10
scipy10
fundamental10
data-science10
interpolation10
blas10
Programming languages (5)
Github contributions (5)
yliapis/algozoo
Feb 2019 - May 2019
Contributions:70 pushes, 2 branches in 2 months
yliapis/dotfiles
Aug 2024 - Mar 2025
Contributions:28 pushes, 1 branch in 6 months
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