We drive the evolution of digital advertising through cutting-edge adtech solutions, empowering publishers, advertisers, media groups & developers

Joined February 2025
Unlocking the Power of Context Introducing Pantheon! MarkApp’s Contextual Bidder for CTV and Mobile! Watch full video here ! youtu.be/wvkhs1dVdGY #business #ads #adtech #marketing #digitalmarketing
1
2
381
CTV is premium. Only if you buy it right. Save this before your next campaign. #CTV #programmatic #adtech #CTV #mediabuying
1
1
14
Fortune Greece 40 Under 40, 2026. 🏆 
40 entrepreneurs recognised for turning innovation into growth. One of them is ours. Proud of you, @OikonomouSot. Thank you @FortuneGreece #40UNDER40GR2026 #FortuneGreece #Entrepreneur #programmatic #adtech
2
1
56
Contextual isn't a targeting setting. It's a workflow. Moments → match → measure. #contextual #programmatic #adtech #mediabuying #contextualadvertising
1
1
6
First ATS in Dubai. MarkApp is partnering, and @OikonomouSot is on stage. Contextual, cross-screen, built for the region’s next chapter. Details & registration in the link: events.exchangewire.com/ATSD… #ATSD26 #programmatic #adtech #CTV #MENA
1
81
🏆 Some moments from the European Video Awards gala in London 🇬🇧. Congratulations, @OikonomouSot . The whole team is proud of you. Well done! #EuropeanVideoAwards #Entrepreneur #programmatic #adtech #digitalmedia
1
1
150
Entrepreneur of the Year 🏆👏🏽 European Video Awards 2026. Our MD @OikonomouSot , on stage in London last Thursday. One name on the trophy, a whole team behind it. Thank you, VideoWeek. #EuropeanVideoAwards #VideoWeek #programmatic #adtech #digitalmedia
1
2
68
Closing the year begins with the right placement. Let’s talk. #programmatic #adtech #CTV #Q4 #digitalmedia
1
1
8
DMEXCO 2026 ✅ Every year the group gets bigger. Slack threads and time zones give way to real conversations, shared dinners, and the kind of trust that is build face to face. 
See you next year 🚀 #adtech #programmatic #digitalmedia #dmexco
1
1
16
We are finally here! 🇩🇪 If you see us around, come to say hi, we are good people 😜 @dmexco #adtech #programmatic #digitalmedia #dmexco
1
1
26
🎬 Meet the team behind MarkApp — the people, decisions, and thinking that run privacy-first programmatic at scale. Back with us: Camila Álvarez, our Head of Marketing & PR, on why in adtech your reputation moves faster than your product — and why earned credibility beats paid reach every time. #MeetTheTeam #programmatic #adtech #PR #reputation
1
1
4
Throwback Thursday 🎬 Last week we were at IAB MENA's Growth Series: CTV Week, where our Managing Director, @OikonomouSot , joined the panel alongside Kellie Hanley. Hanley, Senior Director at @TeadsInnovation , and Mohamed Mahmoud, Senior Director at @Augustus_Media. Missed it? Watch the full panel here: youtube.com/watch?v=Mp40i8nL… #TBT #CTV #IABMENA #adtech #programmatic
1
1
271
🎬 Meet the team behind MarkApp, the people, decisions, and thinking that run privacy-first programmatic at scale. Back with us: Vaggelis Pappoutsis, our Product & AdOps Director, on contextual bidding: how to bridge automated scale and user privacy without relying on invasive tracking. #MeetTheTeam #programmatic #adtech #contextual #privacyfirst
1
1
10
📷 Meet the team behind MarkApp: the people, decisions, and thinking that run privacy-first programmatic at scale. Back with us: Giannis Spyropoulos, our COO, on why the demand partner with the best tech isn't always the one that scales with you, and what actually makes an integration perform. #MeetTheTeam #programmatic #adtech #DSP #partnerships
1
1
13
Our Managing Director, @OikonomouSot , joins the @iab MENA Growth Series to discuss how buyers and publishers turn CTV attention into measurable outcomes, and why premium content environments, not raw reach, decide performance. Register: iabmena.com/happening-events… #CTV #MENA #Programmatic #AdTech #Contextual #IAB
1
1
277
MarkApp has promoted Camila Álvarez to Head of Marketing and PR. Alvarez will lead the company’s brand strategy, communications and media relations across its global markets. #appointments campaignme.com/markapp-promo…
1
2
2
136
🎬 Meet the team behind MarkApp — the people, decisions, and thinking that run privacy-first programmatic at scale. Back with us: Chris Dimitrellos, our CBO, on why transparency has stopped being a feature and become the foundation of every adtech partnership that lasts. #MeetTheTeam #programmatic #adtech #transparency #DSP
1
1
8
🎬 New series: Meet the team behind MarkApp. The people, decisions, and thinking that run privacy-first programmatic at scale. This week: Camila Álvarez, our Head of Marketing & PR, on what we choose to show — and why, when your product's promise is transparency, your marketing has to earn it. #MeetTheTeam #programmatic #adtech #transparency #marketing
11