Georgios Koliou
A highly skilled Digital Marketing & IT Manager with a Bachelor's in Computer Science and a specialization in digital marketing, AI and web application development. Currently driving digital strategy and overseeing IT operations for Cook’s Club Kolymbia & Casa Cook Rhodes, delivering measurable results in brand visibility, engagement and system optimization. Adept at creating data-driven marketing campaigns, managing online reputations and leveraging AI tools to enhance decision-making. Passionate about Python programming, data analysis and crafting educational content on Udemy and YouTube. Trilingual, with proficiency in Greek, Italian and English.
Digital Marketing E-Learning
EKPA
2021
Completed a 6-month training program in digital marketing.
Bachelor’s Degree in Computer Science
University of Camerino Italy
2019
Earned a triennial bachelor's degree in Computer Science.
High School Diploma
High School of Archangelos Greece
2003
Completed high school education.
Villas Manager
Haraki Luxury Villas, Rhodes
2024 – Present
Responsibilities: Manage operations, reservations and guest experiences for seven luxury villas in Haraki, Rhodes, ensuring high-quality service and satisfaction for clients. Oversee and optimize listings on platforms such as Booking.com, Airbnb.com, and Vrbo.com. Manage the official website and social media channels, ensuring consistent branding and engagement with potential clients.
Achievements: Enhanced guest satisfaction and streamlined villa management processes, contributing to the growth and success of the business. Increased booking rates and visibility through effective management of online platforms and digital marketing strategies.
Digital Marketing & Social Media Manager
Cook’s Club Kolymbia
May 2022 – Present
Responsibilities: Oversee digital marketing strategies and social media management for Cook’s Club Kolymbia, campaign management and analytics.
Achievements: Increased brand engagement and visibility through targeted campaigns on social media platforms. (cooksclub_kolymbia)
IT Manager
Casa Cook Rhodes – Cook’s Club Kolymbia
July 2020 – Present
Responsibilities: Manage IT infrastructure and support for Casa Cook Rhodes and Cook’s Club Kolymbia, including system maintenance, troubleshooting and IT support.
Achievements: Improved system efficiency and reduced downtime through effective IT management and problem-solving.
Junior Programmer
Tech - In Company
2017 – 2019
Responsibilities: Developed AI solutions and managed AWS cloud services, contributing to various programming projects and technical implementations.
Achievements: Successfully implemented AI-driven solutions that enhanced operational efficiency and innovation.
IT Tutor
University of Camerino
2017
Responsibilities: Provided support and tutoring for IT courses using the WebEx platform, assisting students with coursework and technical issues.
Achievements: Delivered 180 hours of tutoring as a Professor's Support Tutor, contributing to students' academic success.
• Python (Mid+) – Flask-based architectures, REST APIs, AI/Computer Vision pipelines (YOLO, OpenCV), automation scripts, data analysis (Pandas, NumPy).
• JavaScript (Junior+) – DOM scripting, dynamic UI components, asynchronous workflows, service workers, push notification handling (FCM).
• SQL (Mid) – SQLite schema design, Firestore query patterns, data modeling for real-time systems.
• HTML5/CSS3 – Responsive UI with Bootstrap and Tailwind, templating with Jinja2.
• Flask Application Architecture (Mid+): modular blueprints, session management, role-based authentication, multi-user admin panels, form handling, secure file uploads.
• REST API Design (Mid): endpoint structuring, validation, secure data exchange, pagination, JSON responses, integration with mobile/PWA clients.
• File Processing: automated PDF generation, CSV ingestion, metadata extraction, cloud storage workflows.
• Security: CORS policies, token/session protection, safe handling of environment secrets and user roles.
Databases, Storage & Cloud
• Firebase Realtime Database (Mid): structured data modeling, real-time syncing, optimized reads/writes for production apps.
• Firestore (Mid): document-based schema design, indexing strategies, transactional updates.
• Firebase Storage (Mid+): handling PDF/CSV/image uploads, serving public assets, metadata pipelines.
• SQLite (Mid): relational schema design, foreign keys, joins, migrations, local caching for hybrid systems.
• Cloud Integrations: serverless workflows, webhooks, REST-based cloud communication.
• VPS Server Administration (Mid):
– Ubuntu server setup, SSH key management, firewall (UFW) configuration.
– Performance-focused system configuration for always-on applications.
• Nginx (Mid): reverse proxy setup, request routing, static content delivery, caching rules, upstream configuration.
• Gunicorn / Uvicorn (Mid): multi-worker Flask deployments, socket handling, process optimization.
• SSL/HTTPS (Mid): Certbot provisioning, certificate renewal automation.
• Systemd / Supervisor (Junior→Mid): service monitoring, process restarts, failover logic.
• Render Deployments (Mid): environment management, CI-style rollouts, logs & monitoring.
• Responsive UI Development (Junior+) – Bootstrap, Tailwind, custom components.
• Jinja2 Templating (Mid) – dynamic rendering, conditional logic, reusable UI blocks.
• JavaScript Interactivity (Junior+) – form previews, modal windows, multi-step flows.
• PWA Fundamentals – service workers, caching strategies, installable web experiences.
• Computer Vision (Mid) – YOLO model usage, OpenCV image processing, object tracking pipelines.
• Data Analysis (Mid+) – Pandas, NumPy, CSV/Excel data transformation, exploratory data workflows.
• Automation Systems – scheduling, PDF generation, CSV importers, AI-assisted logic using OpenAI APIs.
• Firebase Cloud Messaging (Mid) – browser push tokens, service worker configuration, message routing, user-specific notifications.
• Web Push Integration (Mid) – permission flows, encrypted payload handling, event-driven updates.
• Linux Systems (Junior→Mid) – user permissions, cron jobs, service uptime, log analysis.
• Monitoring & Debugging (Mid) – Nginx logs, Gunicorn logs, API request tracing, error diagnosis.
• Security Hardening (Junior→Mid) – brute-force mitigation, SSL enforcement, file permission strategies.
• MVP Architecture (Mid+) – building rapidly deployable products with clean extensibility paths.
• Iterative Development – continuous refinement based on real-world hotel and medical workflows.
• Cross-System Integration – connecting hospitality systems, medical dashboards, storage layers, email alerts, and real-time notifications.
• Production-Grade Delivery – applications tested by live users in luxury resorts and healthcare environments.
Performance Marketing (Core Expertise)
• Meta Ads (Advanced/Mid+) – campaign structure, cold/warm/hot segmentation, CBO/ABO scaling, retargeting systems, creative testing, and ROAS optimization.
• Funnel architecture (TOF/MOF/BOF) tailored to hospitality, job applications, and service-based businesses.
• Ad creative strategy using hooks, behavioral triggers, and data-driven iteration.
• Retargeting loops: website visitors, engaged users, abandoned carts/abandoned forms.
• Budget optimization based on CAC, ROAS, LTV & seasonality trends.
• GA4 event tracking, custom conversions, UTM strategy & attribution.
• Cross-platform performance analysis for Meta & Google.
• KPI dashboards in Power BI, advanced segmentation, campaign reporting.
• Deep understanding of hospitality KPIs (ADR, occupancy, revenue impact).
• Campaign architecture for hotels (Awareness → Consideration → Book Now).
• Lookalike audiences, custom audiences, high-intent segmentation.
• Ad formats: video creatives, carousel, dynamic content, lead forms.
• Full-funnel optimization based on creative fatigue, frequency caps & audience overlap.
• Conversion-focused copywriting & visual strategy (brand → performance balance).
• On-page SEO: keyword mapping, content optimization, internal linking.
• Technical SEO fundamentals (indexation, sitemaps, CWV basics).
• Organic visibility improvement for hospitality brands & local listings.
• Multi-step flows: welcome, engagement, re-engagement, retention.
• Segmented campaigns with personalized messaging.
• Integration of CRM data with marketing funnel for higher conversion rates
• Cross-channel content strategy aligned with funnel stages.
• Storytelling frameworks for hospitality brands.
• High-retention short-form content planning.
• Content calendars, brand voice guidelines, and multi-platform consistency.
• Review management systems (TripAdvisor, Google, Booking.com).
• Sentiment analysis & feedback loops tied to marketing strategy.
• Reputation-driven visibility and trust-building.
• Meta Business Manager (Advanced Use)
• Google Ads Manager (Supporting Use)
• Google Analytics 4, Search Console
• OTAInsight & hospitality revenue tools
• Power BI, Excel
• Social media schedulers (Meta Suite, Hootsuite, Buffer)
Python Programming: Enthusiast of coding and problem-solving using Python.
Data Analysis with Python: Passionate about analyzing data and extracting insights using Python libraries.
Course Creation: Creator of educational courses on Udemy (Profile Link) and YouTube (Channel Link).
GitHub Portfolio: Showcase of personal projects and open-source contributions on GitHub (Profile Link).
Traveling: I love exploring new places and cultures. (Especially a lover of Italian culture)
Family Time: I value spending quality time with my family and creating meaningful experiences together.
Greek: Native
Italian: Excellent
English: B2