I'm Dimitrios Zagkakis, a digital marketing and growth strategist with over 11 years of experience across agency, political, and corporate environments. I founded Nucleus Advertising in Thessaloniki, where I lead strategy, client relations, and creative direction to deliver performance-driven campaigns for a diverse range of clients, including large-scale political and institutional projects. My strengths lie in digital marketing strategy, paid media, persuasive design, and team leadership. I excel at managing complex campaigns and stakeholders across EU markets, building clear communication solutions, and driving measurable growth through data-driven optimization.

Dimitrios Zagkakis

I'm Dimitrios Zagkakis, a digital marketing and growth strategist with over 11 years of experience across agency, political, and corporate environments. I founded Nucleus Advertising in Thessaloniki, where I lead strategy, client relations, and creative direction to deliver performance-driven campaigns for a diverse range of clients, including large-scale political and institutional projects. My strengths lie in digital marketing strategy, paid media, persuasive design, and team leadership. I excel at managing complex campaigns and stakeholders across EU markets, building clear communication solutions, and driving measurable growth through data-driven optimization.

Available to hire

I’m Dimitrios Zagkakis, a digital marketing and growth strategist with over 11 years of experience across agency, political, and corporate environments. I founded Nucleus Advertising in Thessaloniki, where I lead strategy, client relations, and creative direction to deliver performance-driven campaigns for a diverse range of clients, including large-scale political and institutional projects.

My strengths lie in digital marketing strategy, paid media, persuasive design, and team leadership. I excel at managing complex campaigns and stakeholders across EU markets, building clear communication solutions, and driving measurable growth through data-driven optimization.

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Language

Greek, Modern
Fluent
English
Fluent
Russian
Beginner
German
Advanced

Work Experience

Digital Marketing Manager at Heinrich Böll Stiftung / Butterfly Communication Ltd
September 1, 2014 - October 1, 2018
Led digital marketing campaigns, content creation, social media strategy, and online engagement for NGOs and political organizations; collaborated with researchers and partners, supporting projects including TIF HELEXPO and scholarly collaborations
Campaign Manager at Butterfly Communication Ltd
October 1, 2018 - July 1, 2019
Managed political campaign communications for a deputy mayor and parliament member candidate; developed persuasive design and multi-channel digital campaigns, coordinating with NGO networks
Founder & General Manager at Nucleus Advertising P.C.C.
September 1, 2019 - Present
Founded and led a digital marketing agency, directing campaigns across industries, building a scalable team, and delivering results for clients including EU election campaigns and academic partnerships
Founder and General Manager at Nucleus Advertising
September 1, 2019 - Present
Oversee strategy, manage client relations and the creative direction of the agency. Focus on building clear, effective communication solutions that deliver measurable results.
Marketing Officer at Xenios Blockchain Group S.A.
November 1, 2019 - Present
B2B-focused strategy and communication, positioning the brand for professional audiences and decision-makers. Support partnerships, messaging, and commercial initiatives within the B2B & B2G ecosystem.
Campaign Manager at Political Campaign – Greek Parliamentary
September 1, 2018 - July 1, 2019
Led a campaign team of over 60 members, organized marketing actions, events, digital campaigns and voter outreach with impressions exceeding 3 million; monitored performance and adapted strategies accordingly.
Digital Marketing Manager at Butterfly Communication – Thessaloniki
September 1, 2014 - September 1, 2018
Planned and executed digital advertising campaigns across Social Media, Google and other platforms with high ROAS and LTV. Developed marketing strategies using A/B testing for various sectors and managed major clients to ensure impactful results.

Education

BA International Business Administration at University of Macedonia
January 11, 2030 - January 1, 2016
MSc in e-Business & Digital Marketing at International Hellenic University
January 11, 2030 - January 1, 2018
International Diploma in IT Skills Proficiency at University of Cambridge
January 11, 2030 - January 1, 2011
MSc in e-Business & Digital Marketing at International Hellenic University
January 1, 2016 - January 1, 2018
BA International Business Administration at University of Macedonia
January 1, 2007 - January 1, 2016

Qualifications

Certificate of Proficiency in English
January 1, 2005 - January 24, 2026
Zertifikat Deutsch
January 11, 2030 - January 24, 2026
Cambridge International Diploma in IT Skills Proficiency
January 11, 2030 - February 10, 2026
Cambridge International Diploma in IT Skills Standard
January 11, 2030 - February 10, 2026
Certificate Of Proficiency in English
January 11, 2030 - February 10, 2026
Zertifikat Deutsch
January 11, 2030 - February 10, 2026
Russian Language - Basic
January 11, 2030 - February 10, 2026

Industry Experience

Media & Entertainment, Software & Internet, Professional Services, Education, Retail, Government, Non-Profit Organization