Thanos Sekeris Website

Thanos Sekeris

Global Flag Expert

Thanos Sekeris is a flag expert based in London, UK. Thanos first started creating as the FlagFluencer online in 2024, sharing his passion and knowledge of flags. On his blog and through Instagram, he shares everything from history to design and deep dives into the stories, symbolism, and history woven into flags from around the world. He has also collaborated with a kindergarten educational summer program to speak and create games about flags. Thanos also works in healthcare consulting with educational degrees, including a BSc in Biomedical Sciences and an MSc and a PhD in Pharmacology.

Education

  • BSc in Biomedical Sciences
  • MSc and a PhD in Pharmacology

Certifications & Organizations

  • Member of the Flag Institute UK

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Co-authored Articles (7)

Which Flags Are Red, White, and Green? 18 Countries & Regions

Discover the history & symbolism behind these countries’ flagsLooking for a red, white, and green flag but not sure which country it belongs to? Have no fear, because we’re here to help on your quest to find that elu...

What Flag Is Blue and White? 15 Possibilities to Discover

Find blue & white flags with stars, crosses, suns, & stripes On the search for a blue-and-white flag, but not sure where it comes from or which country it belongs to? Well, consider your search complete! We’ve put toge...

24 Red-Yellow-Green Country Flags (& Their Meanings)

Plus, learn what the red-yellow-green palette means in warning flagsWhile flags are as unique as the countries that fly them, some colors are especially common. A combination of red, yellow, and green appears on numerous...

The Meaning of a Black and White American Flag

Everything you need to know about the different variations of this unique flagYou may have seen black and white U.S. flags flying around your neighborhood or fashioned into patches, stickers, and more. But what do these ...

How to

Know if a Union Jack Has Been Hung Upside Down

The Union Jack, also known as the Union Flag, is the official flag for the United Kingdom. Unfortunately, the flag is not symmetric, which leads many people to accidentally hang it so the design appears upside down. This...

Proper Ways to Display the American Flag with Other Flags

Professional guidelines for displaying Old Glory with other nation's colors The US flag is considered a living symbol of the nation; therefore it should be treated and displayed with respect. In general, the Federal Flag...

How to Design Your Own Flag

Craft an elegant and iconic design for anything you can imagineVexillography is the art of designing flags, be it for a city, state, country, or organization. A good flag is simple, meaningful, and easy to recognize. It ...