In-Depth

Synthesia: AI Avatars, the Deepfake Era, and the Ambition to Rebuild Global Video Production

AI
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24 min read

1、If you describe Synthesia merely as an “AI avatar company,” you miss its actual position in the market. A more accurate description is that it is an enterprise platform that bundles video creation, video localization, corporate training, knowledge distribution, and interactive video agents into one workflow product. It started with film, advertising, multilingual dubbing, and personalized video, but the real scale came after it moved into enterprise training, onboarding, internal communications, and sales enablement. That transition was the key move that turned it from a flashy technical demo into a repeatable SaaS business.

2、One of the most important structural facts about Synthesia is that its four cofounders are not interchangeable. Victor Riparbelli represents product vision, storytelling, and external capital communication; Steffen Tjerrild represents operations, finance, partnerships, and commercial execution; Lourdes Agapito and Matthias Niessner brought frontier academic work in computer vision, 3D vision, video reconstruction, and generative video into the company’s technical core. Public materials repeatedly name all four as cofounders, and this hybrid of business founders plus academic founders was itself part of Synthesia’s early edge.

3、From 2017 to 2026, the company’s path is unusually coherent. It first used the concept of AI video synthesis to attract attention, then proved technical credibility through external campaigns involving David Beckham, Messi, and Snoop Dogg, then reduced its dependence on creative-services-style project revenue and moved into scalable subscription software for enterprises. After that, it pushed from “text to video” toward “interactive, conversational, action-taking video agents.” The underlying ambition was never just to build a point tool; it was to rewrite how organizations produce and distribute video communication.

4、If the question is simply “where does Synthesia really sit in the real world,” the answer is this: by 2026 it was no longer a fringe lab-like startup, but one of Europe’s most visible enterprise generative video companies, already operating in the first tier globally in valuation, customer quality, fundraising depth, governance narrative, compliance posture, and brand visibility. Public materials show that it raised a $200 million Series E in January 2026 at a $4 billion valuation, and the company’s own statement said it was used by more than 90% of the Fortune 100.

5、Victor Riparbelli is the company’s central public figure and the most fully documented founder. UK Companies House shows that he was born in September 1991 and is Danish; public interviews show that he grew up in Denmark and that science fiction, gaming, and electronic music shaped him early. Wired noted that he grew up in Copenhagen and got interested in computers through gaming and techno; GV later recorded him saying that a semester at Stanford during his studies in Denmark transformed his entrepreneurial ambition. As for his parents’ occupations, family class position, or measurable childhood advantages, public information is limited and cannot be confirmed with confidence.

6、Victor’s education is relatively clear. Public career material shows that he studied at the IT University of Copenhagen, and LinkedIn snippets identify his degree as a B.Sc. in Computer Science. The GV interview adds the most important interpretive detail: during that degree, he spent a semester at Stanford, and that experience exposed him to a much bigger level of startup ambition and “crazy” ideas, which pushed him toward company building. That moment matters because it explains both why he later moved from Denmark to London and why he was willing to pursue an AI-video idea that looked too early for its time.

7、Victor’s early career was not the typical software engineer trajectory. Public profile and media material indicate that he worked in digital marketing at Aller Media, ran RBLI as a digital marketing and SEO consultancy, joined the Nordic startup studio Founders in growth/product marketing, and later co-founded Immersive Futures, where he moved deeper into VR, AR, computer vision, and machine learning. Public career snippets also show that outside Synthesia he co-founded Coincall, a privacy-focused crypto portfolio tracker that was later sold in 2019. In other words, before AI video, he had already accumulated four useful layers: growth, product, entrepreneurship, and emerging-tech judgment.

8、Steffen Tjerrild is the other business cofounder, but the public record on him is much thinner than for Victor. Companies House shows that he was born in November 1990 and is Danish, and speaker material says he is originally from Copenhagen. Public information on his parents, family background, or socioeconomic upbringing is limited. What is much clearer is that his public role is that of an operational cofounder rather than a high-visibility founder-evangelist.

9、Steffen’s educational background leans strongly toward business and finance. Public speaker biographies say that he studied Applied Economics and Finance at Copenhagen Business School and also studied at Stanford in 2014; his public LinkedIn page also reflects the Stanford record. Compared with Victor’s blend of product and technical interests, Steffen looks much more like the person who brought finance, operations, business development, fundraising discipline, and executional structure into the company.

10、The best-verified picture of Steffen’s pre-Synthesia work points to two clusters: startup/commercial work in Europe, and investment work in Africa. LinkedIn and other public sources indicate that he served as an investment manager at Kukula Capital in Zambia; the London Tech Week biography explicitly says that his startup and investment experience across Europe and Africa underpins his leadership at Synthesia. There are scattered online claims that he also co-founded or led projects such as Wealth-X or Lobby7, but the public record is less consistent there; the safest conclusion is that he entered Synthesia with meaningful cross-market operational and investment experience.

11、Lourdes Agapito is the clearest academic powerhouse among the founders. UCL’s official profile says she is a Professor of 3D Vision in the Department of Computer Science, and that she earned her BSc, MSc, and PhD from Universidad Complutense de Madrid. The same public record shows that she joined Oxford’s Robotics Research Group in 1997, then taught at Queen Mary University of London before joining UCL in 2013. Her older university homepage also explicitly says she is from Madrid. Public material on her family background is limited.

12、Lourdes matters to Synthesia less as a corporate manager and more as one of the deep technical roots of the company. Her official profiles consistently emphasize 3D vision, dynamic scene understanding, and recovering 3D information from video; those research interests map very directly onto the technical requirements of realistic talking-avatar generation and video synthesis. She is best understood as one of the intellectual origins of the company’s underlying capabilities.

13、Matthias Niessner is the other research-heavy cofounder. TUM’s official profile says he was born in 1986, studied computer science at Friedrich-Alexander-Universität Erlangen-Nürnberg, completed his Diploma in 2010, earned his PhD in 2013, served at Stanford from 2013 to 2017 as a Visiting Assistant Professor, and became a professor at TUM in 2017, where he leads the Visual Computing Lab. Public information on his family background is limited as well.

14、Matthias’s key role is that he helped turn frontier research in video reenactment and 3D computer vision into a startup direction. Seedcamp’s 2019 investment write-up explicitly linked him to well-known research projects such as Deep Video Portraits and Face2Face, while his lab page has long covered video editing and AI-driven video synthesis. This matters because it shows that Synthesia was not a late opportunistic wrapper around the generative AI boom; it was born inside the research culture of video reconstruction and reenactment.

15、Synthesia did not start as a corporate training company. Its original ambition was much more radical: to make it possible for anyone to create high-quality video with a computer, eventually even Hollywood-level content from a laptop. Reuters captured Victor articulating that long-run aspiration in 2021, and GV’s retrospective interview in 2026 reinforced the same theme. In its early years, the company worked with film studios and advertising agencies on AI translation, dubbing, and multilingual video processing, which means it was initially closer to a creative-tech infrastructure layer than to office software.

16、The company emerged from stealth in 2018. Seedcamp’s 2019 article states that it came out of stealth in November 2018 and publicly demonstrated its technology with the BBC by making newsreader Matthew Amroliwala appear to speak three languages. By 2019, its cloud platform ENACT was already being presented as a system for automatically generating personalized, interactive, multilingual video, and customers already included Accenture, McCann Worldgroup, the Dallas Mavericks, and Axiata Group. At that stage, Synthesia still looked partly like a blended product-and-project company.

17、The 2019 David Beckham “Malaria Must Die” campaign was one of Synthesia’s first major global credibility moments. Seedcamp wrote that the campaign had Beckham “speak” in nine languages on behalf of malaria survivors and that it had already generated more than 400 million impressions globally. That is important because it shows that the company understood very early that technical capability alone would not be enough; it needed symbolic, media-visible showcases to translate the product into something the public could immediately understand. The later Messi Messages project extended that logic.

18、In the early commercial phase, Synthesia still carried the feel of a creative technology studio. Its official Snoop Dogg case page shows that it helped replace the word “JustEat” with “MenuLog” in an ad for the Australian market. Requests like that are really about ad versioning, global localization, and post-production substitution. That suggests that some of the company’s earliest revenue was still tied to professional services and campaign adaptation, not only to today’s software subscription model.

19、The decisive shift happened around 2020 to 2021. TechCrunch wrote in 2021 that the company’s initial focus had become educational content for enterprises and organizations, such as training videos and company-wide updates. GV’s 2026 interview describes the pivot even more explicitly: the company began with film studios and ad agencies, but after a few years the cofounders realized that the deepest need was inside large organizations, not in Hollywood. Victor’s line that the future turned out to be “more PowerPoint than Pixar” captures the transition almost perfectly. That was the moment Synthesia stopped being mainly a creative AI novelty and started becoming business infrastructure.

20、After that, the product path became progressively more platform-oriented. The 2023 Series C announcement already framed the company as a collaborative platform to make video easy for everyone, emphasizing real-time collaboration, audit logs, GPT-powered script writing, editing improvements, and workflow speed. In 2024, it introduced Expressive Avatars to improve realism, including sentiment, body language, and lip sync. By 2025 and 2026, it had folded interactivity, branching, quizzes, AI dubbing, voice cloning, and Video Agents into Synthesia 3.0, pushing video from a one-way asset into an interface.

21、This product evolution is remarkably continuous. The early multilingual synthesis and lip-syncing work solved whether the content could be generated at all. The enterprise training phase solved how it could be generated at scale inside organizations. Synthesia 3.0 and Video Agents then addressed whether video itself could become an interactive software layer. Publicly visible product history suggests the company did not repeatedly abandon one market for another; instead, it kept climbing the abstraction ladder inside the same core thesis.

22、The financing history reflects a classic pattern in which a European deep-tech startup is progressively repriced by global capital. In 2019, Synthesia raised $3.1 million in a round led by LDV Capital, with early investor Mark Cuban still involved, alongside MMC Ventures, Seedcamp, Taavet Hinrikus, Nigel Morris, and others. In April 2021, it raised a $12.5 million Series A led by FirstMark. In December 2021, Reuters reported a new $50 million round from Kleiner Perkins and GV. In 2023, Reuters reported its $90 million Series C at a $1 billion valuation. In January 2025, it raised a $180 million Series D at a $2.1 billion valuation. In January 2026, it raised another $200 million in Series E at a $4 billion valuation.

23、Behind that fundraising history is an unusually dense resource network. Mark Cuban gave extreme-early validation; Seedcamp, MMC, and LDV connected the company to London and broader European early-stage networks; FirstMark, Kleiner Perkins, GV, Accel, and NEA integrated it into top U.S. growth capital; NVentures added strategic signaling in an era where compute and AI infrastructure matter; and WiL, Atlassian Ventures, PSP Growth, Evantic, and Hedosophia expanded its reach into Japanese corporate connectivity, enterprise software ecosystems, and late-stage growth capital. By 2026 the company was even coordinating employee liquidity through Nasdaq, which signals a transition from capital survival to capital-structure management.

24、At the level of UK public filings, Companies House currently shows Synthesia Limited with no active person with significant control, instead displaying 0 active PSCs and 1 active statement. For a company that has gone through multiple institutional rounds, that usually implies that no single natural person or single entity, at least in public registration form, meets the PSC threshold in a simple controlling way. In practical terms, the public ownership profile now looks institution-heavy and dispersed.

25、The evolution of the business model is even more important than the fundraising. In 2019, the public narrative was still about helping brands and creators internationalize and personalize video content. By 2021, TechCrunch described its initial focus as educational and enterprise content. By 2025 and 2026, both official material and financial press described it as an enterprise AI video communications platform, with revenue logic based on recurring subscriptions, team collaboration, personalized avatars, localization, dubbing, video distribution, and higher-order interaction features. FT reported in 2026 that ARR had reached $100 million by April 2025 and that net revenue retention was 140%, which indicates a true land-and-expand SaaS model rather than one-off project work.

26、At the product and infrastructure level, the company now appears to possess several kinds of real assets. First, technical and model assets: avatar generation, lip-sync, dubbing, localization, interactivity, and video agents. Second, enterprise workflow and distribution assets: editor, version control, collaboration, players, audit logs, and organizational permissions. Third, training and supply-side assets: licensed human likenesses, stock avatars, and the consent/KYC framework around custom avatars. Fourth, the most defensible asset of all: enterprise trust, especially Fortune 100 customer relationships, moderation procedures, compliance certifications, and policy participation. That reading involves some inference, but it is strongly grounded in the company’s public product, ethics, compliance, funding, and customer narrative.

27、Alongside those harder assets, Synthesia has also built intentional influence assets. It created an AI Futures Council and publicly listed outside experts including Sophia Smith Galer and Henry Ajder. It is a launch partner of the Partnership on AI’s Responsible Practices for Synthetic Media and a member of the Content Authenticity Initiative. Victor himself was named to the TIME100 AI list in 2024 and has appeared at TED AI Vienna and MIT Technology Review’s EmTech. For a company whose products sit so close to deepfake risk, these are not decorative reputational moves; they are part of its defensive moat.

28、Synthesia’s largest controversy has never really been founder scandal; it has been whether the product can contaminate the information environment. Stanford’s case study and Synthesia’s own moderation materials both discuss the discovery that, in late 2022, videos resembling news anchors made with its avatars appeared in the pro-China Spamouflage disinformation ecosystem. Stanford’s case study presents this as one of the earliest known instances of deepfakes being deployed in a state-aligned disinformation campaign.

29、The impact of that episode was twofold. First, it proved that even a platform built around consent and moderation can still be attacked, bypassed, or abused. Second, it forced Synthesia to place content governance inside the product itself rather than trusting downstream distribution platforms to clean things up. Public materials say the company closed the relevant accounts, expanded its trust and safety team, tightened moderation rules, widened restrictions to include more polarizing material, and progressively limited news-like and political content to enterprise customers using custom avatars under stronger verification rules.

30、A second category of criticism concerns downstream social harm. The Guardian reported in 2024 on models who found their likenesses used in political propaganda videos, including around Burkina Faso. The reporting said the accounts violated Synthesia’s policies and were eventually banned, but also made clear that reputational and emotional damage to the affected individuals does not disappear simply because a platform later disables an account. This is one of the hardest unresolved problems in synthetic media: a platform can reduce harmful generation at the source, but it cannot fully eliminate what happens once content is copied, recontextualized, and redistributed.

31、A third line of criticism comes from labor and likeness rights. As the company became more enterprise-facing, it relied heavily on licensed human actors to create stock avatars. FT reported in 2025 that Synthesia created an equity pool worth about $1 million to reward actors who help train its models and license their image. From the company’s perspective, this is a more aligned compensation model; from an external perspective, it is also evidence that the market has already begun questioning whether one-time likeness payments are fair in an AI era. Without that pressure, there would have been little reason to foreground actor equity so publicly.

32、A fourth controversy is more philosophical than scandalous. In both TIME100 AI coverage and TED AI Vienna, Victor publicly advanced the idea that audio and video may increasingly replace text as our primary mode of communication, and that AI could reduce the centrality of traditional reading and writing. That makes him an evangelist for a post-text communication future, but it also naturally invites criticism from education, media, and information-ethics perspectives. It is not a personal scandal, but it is one of his most controversial public positions.

33、Taken together, the main criticisms surrounding Synthesia cluster around four themes: deepfake misuse, political and news integrity, fairness in how actors and creators are compensated for digital likeness, and whether the broader philosophy of replacing text with video is too aggressive. Public reporting does not currently point to any clear major criminal, accounting-fraud, or personal-morality scandal involving the founders themselves; the company’s continuing challenge is that the more successful its product becomes, the stronger its externalities become as well.

34、By 2026, Synthesia had entered the stage of a scaled platform company. Its official Series E announcement said it had raised $200 million at a $4 billion valuation; the FT and Guardian added that the company employed around 600 people, was used by more than 90% of the Fortune 100 and 70% of the FTSE 100, and counted public-sector organizations such as the NHS, the European Commission, and the United Nations among its users. For a European AI company founded in 2017, that is already infrastructure-level influence, not mere promise.

35、Financially, the company still looks like a classic high-growth business that is trading profitability for expansion. Sifted reported that revenue almost tripled from £8.6 million in 2022 to £25.7 million in 2023 while losses widened sharply; by 2026, the Guardian and FT were citing 2024 revenue of $58.3 million and pre-tax losses of $59.2 million, while also reporting expectations that the business could reach $200 million of revenue in 2026. That means Synthesia is not yet a settled profit machine; it is a platform the market still allows to spend aggressively because enterprise demand appears very real.

36、The founders’ public influence is now clearly stratified. Victor is the strongest public representative: he entered TIME100 AI in 2024, used TED AI Vienna in 2025 to push a provocative thesis about the future of literacy, and continues to appear in FT, Forbes, and MIT Technology Review settings. Steffen remains more clearly the operating and scaling cofounder; public speaker pages consistently frame him as COO/CFO and emphasize partnerships, operations, and strategic customer work. Lourdes and Matthias retain important academic anchors, which is valuable because it demonstrates that Synthesia is not just polished marketing around AI hype; it has real research ancestry.

37、If the entire story must be reduced to one bottom-line conclusion, it would be this: Victor and Steffen are not AI-native creator-economy founders who rose through internet clout; they built a real company by combining research-grade video generation, enterprise workflow software, capital networks, and governance narrative. Lourdes and Matthias ensured from the start that the company had scientific depth. Synthesia is remembered not merely because it “makes avatars,” but because it has helped push video from an expensive, low-frequency, labor-intensive medium toward something scriptable, collaborative, global, and increasingly interactive inside organizations.

38、The key timeline is straightforward. In 2017, the company was founded and the four-founder configuration took shape. In 2018, it emerged from stealth and publicly demonstrated its BBC multilingual demo. In 2019, it raised $3.1 million and the David Beckham malaria campaign became its first major global showcase. In 2021, it completed Series A and then another $50 million round while clearly leaning into enterprise education and training. In 2023, Series C made it a unicorn with more than 50,000 business customers. In 2025, Series D pushed the valuation to $2.1 billion and supported further expansion into Japan, Australia, Europe, and North America. In 2026, Series E pushed it to $4 billion and the company openly advanced into conversational video agents and enterprise skills training.