Performance Marketing Director and consultant with 11+ years of expertise in data-driven strategies, team leadership, and client success. I specialize in Google Ads, Meta Ads, and cross-channel campaigns, as well as SEO, GEO, and Web Analytics & Tracking (GA4, Google Tag Manager) - driving measurable results for leading brands in Greece and internationally.
Google Ads Digital Champion
Turning data into growth
Performance Marketing professional with a proven track record in data-driven strategies, team leadership, and client success. I specialize in optimizing strategies and campaigns across digital platforms, driving measurable results, and scaling performance marketing efforts.
I lead Performance Marketing and SEO/GEO teams, focusing on building strong client relationships, increasing departmental revenue, and expanding our portfolio of performance-driven clients. By aligning business objectives with strategic insights, I ensure both client satisfaction and sustainable growth.
Beyond my agency role, I have been a Performance Marketing Instructor for over seven years and serve as a Career Mentor in Eurobank's program, supporting young professionals in their career development.
Full-stack digital marketer
Career journey in digital marketing & leadership
Independent performance marketing consulting for businesses across various sectors, managing paid media strategy and execution.
Leading the Performance Marketing and SEO/GEO teams, focusing on building strong client relationships, increasing departmental revenue, and expanding the portfolio of performance-driven clients. Previously held Performance Manager and Sr. Performance Manager roles.
Managed paid search and performance campaigns for major clients, optimizing ROI across Google and Bing Ads platforms.
Teaching Digital and Performance Marketing courses, empowering professionals with practical skills in digital advertising, analytics, and campaign management.
Mobile App Development & Pre-Sales
Internal Audit Services and basic Internal Control System Design at OTE (Deutsche Telekom)
Supporting young professionals in their career development as part of Eurobank's flagship education and mentorship program.
Multidisciplinary academic foundation across Greece, UK, and Belgium
Academic excellence and professional recognition
Performance marketing, consulting, and how to work together
George Tsiros is a performance marketing expert and consultant based in Athens, Greece, working with brands across Greece and internationally. He specializes in data-driven advertising across Google Ads, Meta Ads, and other paid channels, as well as SEO, GEO, and web analytics, and is a Google Partners Digital Champion. Alongside hands-on campaign work, he also teaches digital marketing and mentors marketing professionals.
A performance marketing consultant plans, runs, and optimizes paid advertising campaigns with a focus on measurable business outcomes - leads, sales, and return on ad spend - rather than vanity metrics. George Tsiros helps companies build full-funnel strategies across Google, Meta, and other platforms, set up accurate tracking and attribution, and continuously improve results based on data.
George Tsiros offers freelance and consulting services in performance marketing, including paid search (Google Ads), paid social (Meta, TikTok, LinkedIn), programmatic advertising, and cross-channel campaign management. He also provides analytics and tracking setup (GA4, Google Tag Manager, Looker Studio), conversion rate optimization, and digital strategy consulting for businesses that want to scale profitably.
George Tsiros specializes in Google Ads, Meta Ads, TikTok Ads, and LinkedIn Ads for paid media, combined with Google Analytics 4, Google Tag Manager, and Looker Studio for measurement and reporting. His expertise also covers programmatic advertising, retargeting, attribution modeling, A/B testing, conversion optimization, and SEO/GEO (Generative Engine Optimization).
George Tsiros has worked with leading brands in Greece and internationally across a range of industries, managing performance campaigns independently as a freelancer since 2016 as well as in agency and in-house roles. He is also a digital marketing instructor and career mentor, training the next generation of marketing professionals.
George Tsiros takes on freelance and consulting projects in performance marketing - from one-off account audits and setups to ongoing campaign management and strategy. You can reach him through the contact form on this site or connect with him on LinkedIn.
Open to new opportunities and collaborations