Distinguished Fellow, Advisor to President @gmfus; Chair in Transatlantic Affairs @collegeofeurope; Dir Ian Lesser BV. Opinions mine.

Brussels, Belgium
Joined September 2018
🇹🇷 What does the new US National Security Strategy mean for Türkiye? 🌍@ian_lesser's latest analysis explores how the strategy’s priorities—from a reduced US role in Middle East security to sharper transatlantic debates—could reshape Ankara’s choices and its engagement with NATO and Europe. It highlights both risks and openings for cooperation in a world of shifting alignments. ➡️ Read the piece: 👉 gmfus.org/news/turkiyes-stak…
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On Monday, GMF Brussels hosted a conference together with the @PLintheEU and @PISM_Brussels, exploring the challenges of boosting the EU’s defence. GMF’s @ian_lesser and Bart Szewczyk joined the two conference panels as speakers. Key takeaways👇 🔹 Russia’s aggression and shifting US policy have forced EU states to rearm. Defence budgets are rising, but Europe still lags in innovation: only 4% of EU defence spending goes to R&D compared to 16% in the US. 🔹 With just 18% of procurement done jointly, Europe is still missing the economies of scale it needs. Aggregating demand would speed up production, lower costs, and give the industry the confidence to invest. 🔹 EU member states must support established defence giants while scaling start-ups that bring deep tech into military innovation. Bridging this gap is essential to shorten acquisition cycles to under 24 months. 🔹 Europe’s dependence on US and Chinese raw materials is unsustainable. Building resilient supply chains is critical if the EU wants to be ready to deter aggression by 2030. 🌍 GMF thanks our speakers, partners, and attendees for contributing to the discussion.
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📓 In response to the overnight release of the Trump administration's 2025 National Security Strategy, GMF Distinguished Fellow @ian_lesser explained that “many Europeans will find this highly disturbing,” and that it sharpens existing concerns about the transatlantic relationship, Russia, and the war in Ukraine. ⤵️ Read full analysis in the @nytimes here: buff.ly/LO03xrE
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A privilege and pleasure to have been present at the creation of #AtlanticDialogues. Look forward to the 2025 edition!
🌍 Hear the voices shaping the #AtlanticDialogues community! 📍 North America, #USA 📺 @ian_lesser, Vice President of @gmfus, has attended every edition of the Atlantic Dialogues, witnessing its growth over the years. He highlights how this international conference fosters a unique dialogue between the North and South of the Atlantic, and beyond, at a time when such conversations are more important than ever. #AD2025 🔗ad.policycenter.ma/
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A pleasure to contribute to this terrific conversation!
Europe isn’t alone in facing an erosion of trust with the US. Lizza Bomassi, @Ross_Marangio, @PelayoCastroUE & @ian_lesser explore how partners around the world are adapting to this new reality.
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My sincere thanks for the invitation and the good discussion!
Many thanks to @ian_lesser for guiding us through the intricacies of transatlantic ties and dynamics today 🇪🇺🇺🇸🇨🇦 From trade to tech, climate to security, this interesting module deepened our understanding of EU diplomacy in a shifting global landscape. #EUDiplomacy
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🚨 As drone sightings disrupt airports across Europe, the question of how to respond is becoming urgent. In the @nytimes, GMF’s @ian_lesser compares the threat of drones to cyberattacks, where even small actors can cause outsized damage. The challenge for governments? Finding fast, cost-effective solutions to a risk that’s cheap, accessible, and increasingly disruptive. 📰 Read the article: buff.ly/B8pdXpn
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It’s getting closer… 🚢✨ Soon we’ll welcome the Oostende, the first of our new mine countermeasure vessels. Belgium and the Netherlands will each receive six of these state-of-the-art ships, designed to keep sea lanes open and safe for global trade. 🌍 📸 Spotted in August.
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In my piece, I discuss how the Hamas attack and Israel’s response overturned the Middle East’s shift to a more integrated regional order.
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🇮🇳🇪🇺🇺🇸 The 27th India Trilateral Forum, organized by GMF's @GarimaMo and the @SweMFA, begins today. This two-day forum brings together senior policymakers, experts, and industry leaders from the U.S., Europe, and India for closed-door conversations on key issues shaping global cooperation. 🛡️This edition will focus on security, defense, and defense-industrial collaboration, exploring new opportunities to strengthen partnerships between the US, India, and Europe.
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Great news! Congratulations and best wishes!
We are delighted to welcome Diego Ruiz Palmer to CSDS as a Distinguished Associate Fellow. Diego brings to our team decades of expertise from defence policy and, in particular, NATO. We cannot wait to start collaborating with Diego. Welcome! More info csds.vub.be/researcher/diego…
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🛡️ "NATO has not yet invested in the kinds of technologies at the scale that would be needed to deal with that kind of a threat in a cost-effective way," GMF's @ian_lesser told NPR, of an EU defense ministers' meeting to discuss dealing with the emerging threat of isolated drone incidents in Europe. buff.ly/DYC2ngD
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A pleasure to join IKV delegation today!
İKV Başkanı Ayhan Zeytinoğlu ve beraberindeki heyet, German Marshall Fund Brüksel Sorumlusu Ian Lesser ile çalışma yemeğinde bir araya geldi.
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İKV Başkanı Ayhan Zeytinoğlu ve beraberindeki heyet, German Marshall Fund Brüksel Sorumlusu Ian Lesser ile çalışma yemeğinde bir araya geldi.
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A good new analysis in a wider Atlantic series by my colleague and friend Paul Isbell 👇👇👇
🌐 With global economic fragmentation accelerating and #liberalism under strain, can the #AtlanticBasin, where over 70% of #trade and 90% of #investment already stay within the region, become the liberal “second-best” to bridge the North–South divide? policycenter.ma/publications…
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💬 In her state of the union speech yesterday, European Commission President Ursula von der Leyen "made a powerful case for greater European sovereignty and greater European power in an increasingly insecure and competitive world," writes GMF's @ian_lesser. Read his transatlantic take on the speech: gmfus.org/news/enemies-gates
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Good new analysis from my colleague Hermine Sam 👇👇👇
🌍 "The US decision to slash foreign aid has highlighted two contrasting narratives around official development assistance (ODA). One, largely Western-led, frames the cuts as a humanitarian catastrophe in the making. The other, rooted in African and diaspora voices, views them as a long-overdue opportunity to sever colonial-like dependencies and reset Africa’s path toward economic transformation." 📖 GMF's Hermine Sam tackles the two viewpoints and next steps here: buff.ly/e9JxBtM
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A pleasure to join for this conversation! Many thanks!
Great insights last week from @gmfus's @ian_lesser, who joined me and @HellenicLeaders members in Athens as we dug into the latest trends in the #Transatlantic relationship - from defense and security to trade and tariffs - while exploring what this could mean for #Greece.
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