Welcome to my My personal portfolioportfolio
Antonis KatsonisMarketing, Customer Service & Innovation ExplorerExploring how marketing, technology, and creativity merge to build smarter human experiences.
Delivering customer-focused marketing
Redefining support through connection
Exploring innovative AI tools and technologies
Sharing insights through experiences
Employed by
Global brands I have been proud to be part of, trusting my skills across marketing, customer experience, and innovation.
About Me
Experience
A journey across industries and roles that taught me how strategy, empathy, and innovation intersect.
Customer Service Specialist
Suitsupply — Amsterdam
Supporting global customers across chat, email, and phone while delivering high-end fashion and styling guidance. Managing returns, VAT invoices, and logistics through Salesforce, coordinating closely with stores and warehouses to maintain strong KPIs and customer satisfaction.
Customer Support / Fashion Advisor
Concentrix (Zara Home) — Barcelona
Delivered empathetic, solution-focused support via email and chat, resolving customer issues efficiently and contributing to improved CSAT. Combined strong product knowledge with clear communication to build customer trust.
Marketing Officer
Unicaf — Cyprus
Led international marketing campaigns from concept to execution, coordinating teams across multiple countries. Optimized landing pages using UTM tracking, planned marketing calendars, and executed email campaigns using Brevo and Elastic Email.
Customer Service Operations Specialist
TELUS International (Stripe) — Ireland
Supported Stripe's payment infrastructure by resolving complex merchant issues across transactions, disputes, and account investigations. Diagnosed API and integration issues while translating technical and financial complexity into clear, customer-focused guidance.
Guest Experience
Andaz Prinsengracht (Hyatt) — Amsterdam
Delivered personalized guest experiences in a five-star hospitality environment, balancing service excellence with operational accuracy. Strengthened communication, problem-solving, and customer empathy in a high-pressure, luxury setting.
Marketing Assistant
Social Impact Lab (Home/Grown SO14) — Southampton
Managed social media and website content, supported event delivery and operational research, and led the design and launch of the organisation's website. Contributed to SEO strategy, consultations, and cross-team coordination.
<Portfolio/>
A curated selection of projects that blend strategy, creativity, and structure. Each one reflects how I approach marketing as both an art and a system — built on insight, collaboration, and innovation.
Content Marketing & Copywriting
Where visuals, words, and strategy work together to tell the right story
Email Marketing & Campaign Strategy
Where precision and creativity meet performance
Data & Insights
Turning numbers into strategy
Web Applications, Wikis and Digital Systems
Building full-stack web applications, digital workflow systems, and Notion wikis with modern technologies
AI Labs
Exploring the future of artificial intelligence through cutting-edge experiments and innovations.
Skills
A blend of creative, analytical, and human-focused abilities shaped by experience across marketing, service, and digital innovation. Every skill represents a tool to turn ideas into measurable impact.