Who is Marijn Markus?

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Marijn Markus: Bridging Data Science and Advocacy with Purpose-Driven Insight

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Marijn Markus is an AI Lead and Managing Data Scientist at Capgemini NL with over seven years of experience in applied data science. His work stands out for its consistent integration of ethical analysis, particularly around the societal impact of AI systems. He doesn’t just build models—he critiques how they’re used in political conflict, surveillance, and digital misinformation. His expertise spans both technical design and civic accountability.

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Marijn is known for publishing high-frequency LinkedIn content that centers on democracy, AI misuse, and pro-Ukraine activism. He posts roughly 11 times per day, using data to highlight ethical violations and systemic risks in real-time. He’s one of the few data scientists openly aligning with political causes on a professional platform. This positioning has built a strong following of like-minded engineers, rights advocates, and technologists.

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Unlike many in the field, Marijn’s work often calls out governments and corporations by name when addressing misuse of AI. His posts include specific critiques of facial recognition abuse, algorithmic bias in public systems, and AI propaganda in Russia’s war on Ukraine. He merges structured analysis with advocacy, making his voice unique in an industry that often stays neutral. His tone is consistently assertive, grounded in research, and values-driven.

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He has built partnerships with groups like World Summit AI and Invest in Bravery, using his platform to amplify mission-aligned projects. His social presence serves as a daily record of ongoing tech-related geopolitical developments. Marijn doesn’t separate his professional identity from his public stance—his entire online presence reinforces his role as a data scientist with a purpose. This has made him one of the most vocal AI professionals in the Netherlands.

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An Influencer Active on Social Media

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Marijn is active solely on LinkedIn, where he posts with high frequency and significant engagement from niche, advocacy-driven audiences.

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Marijn's Social Media Strategy Analysis

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LinkedIn: Daily Posts Fusing AI, Policy, and Ethics

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Marijn Markus uses LinkedIn as his sole platform, posting an average of 344 times per month—roughly 11 posts per day at 2 PM EST. This intensity allows him to cover a broad range of topics from machine learning bias to geopolitical commentary with unmatched consistency. His high-volume strategy isn’t spam—it’s structured, theme-driven, and rooted in ethical AI and human rights. Each post is framed as a standalone insight, often referencing specific events in Ukraine, surveillance tech, or AI regulation.

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He rarely uses generic content formats. Instead, his posts include sharp headlines, short paragraphs, and call-outs tied to public data or policy developments. He often critiques corporations or political actors by name, such as governments deploying facial recognition on civilians or tech platforms spreading disinformation. This directness sets him apart from other AI voices who tend to avoid taking stances on contentious issues.

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His content is mostly written—he doesn’t rely on graphics or visuals, yet still earns over 1M views per month. The engagement rate of 0.43% with an average of 338 interactions per post reflects a deeply involved and values-aligned audience. His comments section often includes policymakers, social impact technologists, and human rights activists contributing serious responses. This makes LinkedIn more than a distribution channel—it functions as an ongoing, public roundtable for his ideas.

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Marijn also uses LinkedIn to tag and elevate brands that align with his mission, including World Summit AI and Invest in Bravery. These tags aren’t passive—they’re integrated into narrative-driven posts that highlight advocacy, defense support, or ethical reform. His consistency in tone and output has earned him Top 1% rankings in multiple categories, and his voice has become a daily fixture in the Netherlands' AI and policy communities.

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• Username: @marijnmarkus
• Influence Score: 91.4/100
• Followers: 79K
• Activity: 344 posts/month
• Engagement Rate: 0.43%
• Growth (30 days): +4.36%
• Average Engagement: 338
• Posting Habits: 11 times a day at 2 PM EST

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Marijn Markus' Social Media Influence Summary

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Marijn holds a Favikon Influence Score of 8,321 points, placing him in the Top 1% of creators globally. He ranks #5 on LinkedIn Netherlands, #5 in IT & Tech Netherlands, and #30 in Data Science Worldwide. These positions reflect his standout influence as both a data science expert and a consistent voice for ethical tech and human rights.

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Learn more about the Favikon Methodology here

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Content Strategy: Data-Driven Ethics with Daily Consistency

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Marijn’s strategy is built on high-frequency publishing with a thematic focus on ethical tech, human rights, and the Ukrainian crisis. Rather than posting for visibility alone, each entry connects to a broader mission—often referencing current events or ethical dilemmas in AI deployment. He relies heavily on text-driven posts, short formats, and headline framing to keep up the volume and maintain engagement. He avoids corporate jargon and instead uses emotionally resonant language supported by technical grounding. His posts range from algorithmic bias to surveillance criticism, often tying personal insights with system-level observations. While some content repeats core ideas for reinforcement, the consistency reinforces his reputation as a daily thought leader for advocacy-focused tech professionals.

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Reachability and Partnerships

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Marijn Markus is highly accessible to mission-driven organizations that focus on human rights, ethics in technology, and pro-democracy causes. He frequently tags partners like World Summit AI and Invest in Bravery in original posts, not reshared content, reinforcing his selectivity and credibility. His audience responds best to transparent, cause-based campaigns—particularly those involving AI accountability or Ukraine support. Brands with political neutrality or commercial-only agendas are unlikely to resonate with his positioning.

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He is most open to partnerships that involve knowledge-sharing, community building, or visible stances on ethical technology. Sponsored posts would need to fit within his rapid daily publishing rhythm, ideally offering data-backed insight or strong policy implications. Marijn avoids promotional formats—he integrates aligned messaging through narrative and call-to-action structures. Campaigns centered on advocacy, education, or public sector reform have the strongest chance of successful collaboration.

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Conclusion: A Purpose-Driven Voice at the Intersection of Data and Democracy

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Marijn Markus has positioned himself not just as an AI specialist, but as a leading voice advocating for the ethical use of technology. Through his unmatched LinkedIn posting cadence, grounded expertise, and values-led communication, he connects with a loyal audience invested in both data science and justice. His influence continues to grow, not by chasing trends, but by standing firmly for tech used in service of people—not power.

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