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Our work begins
where complexity starts.
Production, storytelling, media and communication under one roof, from Athens.
The Premise
We live in the days of over information, over complexity, over stimulation.
People don't lose connection with information because there's too little of it, they disconnect because there's too much of it. Too many pages, too many presentations, too many technical terms, too many assumptions.
The Method
We dive into documents, reports, processes, strategies, data, regulations, technical concepts and specialized knowledge. We ask questions, uncover the essence and identify what truly matters. Then we transform that complexity into clear, engaging videos that people can understand, remember and act upon.
Not by oversimplifying.
By clarifying.
The Principle
Because simplicity is not the absence of depth and imagination. It's the result of understanding something deeply enough to explain and show it clearly.
The Mission
Whether we're helping a government communicate a digital transformation, a company explain a new service, a university present research, an organization align people around a strategy, a brand gain awareness, our mission remains the same:
To turn complexity into clarity.
At Celyphos, we don't just create videos.
We build understanding.
The Definition
For organisations whose value is locked in complexity, Celyphos is the creative group that turns documents, data and expertise into stories people understand, remember and act on - because understanding, not attention, is what moves decisions.
Celyphos is Greek for shell — the clean surface of something complex inside. That's the job.
The Team
 George Zeritis • ChairmanGeorgios Zeritis is Chairman at Celyphos, where he leads strategy, governance and long-term direction. His background spans corporate finance and M&A in London, an executive search practice he co-founded, and a family industrial and real estate group operating across Southeast Europe and North Africa. He holds an MSc in Management from London Business School and completed executive education at Cambridge Judge. |  Antonis Kaloudis • Managing DirectorAntonis Kaloudis is Managing Director of Celyphos, where he leads the company’s day-to-day business, creative output and client delivery. He co-founded The Explainers, an explanatory-video agency later merged into Celyphos, and built much of the company's production practice from that foundation. Earlier he worked in radio production at Proto Thema. He studied Music for Film at Berklee College of Music. |  Pavlos Efthymiou • Board Member & PartnerPavlos Efthymiou is a Board Member of Celyphos creative group. He is Director-General of the Hellenic Entrepreneurs Association (EENE), an executive advisor to Athens Medical Group, and a partner at Fortune Greece and Intellectica. He holds a MPhil in International Relations from the University of Cambridge and a BSc in Politics with Economics from the University of Bath. |  Jerry Zagoritis • PartnerJerry Zagoritis is Business Development & Strategy Partner at Celyphos, leading commercial partnerships and strategic direction in the Politics vertical. He is the founder of Campaign Lab and has spent his career at the intersection of strategy and political communication, advising leaders and organisations across Greece and Europe. |  Vasilis Rousopoulos • AdvisorVasilis Rousopoulos is a Business Development & Strategy partner at Celyphos. His background is in communications and public affairs, spanning corporate communications, radio production, and press work including in the Greek Presidency's office. He holds an MSc in Politics and Communication from the London School of Economics and a BA in Political Science from the University of Athens, where he is also currently completing his PhD. |  John Kapsis • PartnerJohn Kapsis is a partner at Celyphos creative group, where he works on client development and senior relationships. He spent six years at Dialectica, rising to Senior Manager for Private Equity in EMEA, while earlier working as a strategic planner at J. Walter Thompson across banking, insurance, retail and telecoms. He holds an MBA from ALBA, an MSc in Political Science from UCL and a BA in History from Queen Mary, University of London. |  Myrto Tsiaktsira • Client Service DirectorMyrto Tsiaktsira is Client Service Director at Celyphos creative group, leading client service and delivery across the portfolio. She brings experience in marketing and communications from PwC Greece, and a broadcast production background including editor-in-chief work on a documentary series. She holds an MSc in International Marketing from AUEB and a BA in Communication and Media Studies from the University of Athens, where she is also is a doctorate candidate. |  Antonis Xenakis • Creative DirectorAntonis Xenakis is Creative Director at Celyphos creative group, where he leads post-production and the creative talent network. He co-founded The Explainers, the explanatory-video agency merged into Celyphos, and built the company's production process, brand book and visual identity. His wider career spans fifteen years of concept and art direction — Eurovision, national advertising campaigns, and five years of creative media at athinorama, where he produced over two hundred covers. |  Angelos Apokrimiotis • Production DirectorAngelos Apokrimiotis is Production Director at Celyphos, bringing extensive experience across the Greek media and production landscape. His background spans television commercials and series, with deep expertise in organising shoots, leading production crews and bringing creative concepts to life on set. |  Myrto Cheiladaki • Project ManagerMyrto Cheiladaki is Project Manager in the Office of the CEO at Celyphos, working across operations. She joined from a marketing role in hospitality, where she ran loyalty, CRM and social campaigns, and previously interned at the Greek Ministry of Foreign Affairs. She holds a BA in Business Administration, Marketing and Tourism from the International Hellenic University. |
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 Stelios Kouladis • Project ManagerStelios Kouladis is Project Manager in the Office of the CEO at Celyphos, working across the commercial function. He joined from field sales at British American Tobacco and brings experience in promotions and event operations. He holds a degree in Shipping, Trade and Transport from the University of the Aegean. |  Dimitris Manos • Graphic & Motion DesignerDimitris Manos is Multimedia Specialist at Celyphos and a driving force behind its post-production capabilities. As the company’s core in-house video editor, he brings client campaigns, editorial video and social cutdowns through the final stages — with a sharp eye for detail and an exacting standard for every piece he touches. |
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