Victor Riparbelli
Victor Riparbelli (born 1991) is a Danish entrepreneur who in 2017 co-founded the AI video company Synthesia in London with Steffen Tjerrild, Matthias NiessnerMatthias NiessnerMatthias Niessner (Matthias Nießner, born 1986) is a professor of computer science at the Technical University of Munich in Germany and head of its Visual Computing Lab, known for the real-time facial reenactment system Face2Face and 3D reconstruction research such as ScanNet; he is a co-founder of the AI video company Synthesia and in 2024 co-founded the 3D world-model company SpAItial.Open the full entry and Lourdes Agapito and became its chief executive; he led the company from AI dubbing for film and advertising to corporate training video, and Synthesia’s valuation reached $4 billion in early 2026.
Contents24 sections
Key facts
September 1991Birth
Victor Riparbelli was born in September 1991; his name as registered with the UK’s Companies House is Victor Riparbelli Rasmussen, and he is a Danish national.[1]
He grew up in Copenhagen as the eldest of three brothers; his mother was a journalist who later became chief executive of a Danish lifestyle-media company, and his father ran traditional, non-tech businesses.[2]
Late 2000sTeenage Ventures
As a teenager he sold World of Warcraft accounts and built websites and online stores for local businesses.[2]
By his own account he always wanted to be a musician, and he still produces electronic music in his spare time.[3]
2010sUniversity
He studied for a joint honours degree in computer science and business at the IT University of Copenhagen, spending a semester at Stanford UniversityStanford UniversityStanford University is a research university in California founded by Leland and Jane Stanford in 1885 and opened in 1891.Open the full entry as part of it.[3]
2016Moves to London
Rather than join a big tech company, he moved to London, where he first worked as a virtual reality consultant.[3]
On August 10, 2016, he became a director of the UK company Immersive Futures Limited, which was later dissolved.[4]
2017Meets Niessner
After a year of exploring VR, AR and AI startup ideas, he met Matthias Niessner and was captivated by Niessner’s research on AI video generation at Stanford University.[5]
August 25, 2017Founds Synthesia
Synthesia Limited was incorporated in England on August 25, 2017, registered for software development.[6]
Riparbelli and Steffen Tjerrild-Hansen have been directors since that day; Lourdes Agapito became a director the same day and resigned on April 3, 2019.[7]
He co-founded Synthesia with Matthias Niessner, Lourdes Agapito and Steffen Tjerrild and became its chief executive.[8]
2018Early Business
In November 2018 Synthesia made its debut with a BBCBBCThe BBC (British Broadcasting Corporation) is the United Kingdom’s public broadcaster. Its predecessor was the British Broadcasting Company, formed in 1922, and since 1927 it has been established under a Royal Charter. It provides television, radio, and online services in the UK, is funded mainly by the television licence fee, and broadcasts worldwide in multiple languages through BBC World Service.Open the full entry demonstration in which the newsreader Matthew Amroliwala spoke three languages.[9]
Riparbelli recalled that for about three years the company provided AI translation and dubbing to film studios and ad agencies, a “mildly successful” business that was hard to scale: a 30-second clip took two PhDs about 10 days.[10]
2019Beckham Campaign
Synthesia worked with Malaria No More, RG/A and Ridley Scott Associates on a synthetic video of David Beckham speaking nine languages to campaign against malaria; it won a CogX award for outstanding achievement in social good use of AI in 2019.[11]
April 2019Seed Round
In April 2019 Synthesia announced a $3.1 million round led by LDV Capital; Mark CubanMark CubanMark Cuban is an American entrepreneur and investor whose early work in computer systems and internet audio and video expanded into sports, film, venture investment and pharmaceuticals. He was the Dallas Mavericks’ controlling owner and a longstanding investor on Shark Tank, and co-founded Mark Cuban Cost Plus Drug Company.Open the full entry was an early investor.[9]
He recalled that after a first raise of about $1 million the company struggled to raise again, eventually securing a smaller $3 million that funded its first real product iteration, launched in 2020.[2]
Seedcamp began backing the team of Riparbelli and Steffen Tjerrild in 2019, when the company had about 10 employees.[12]
2021Turn to Corporate Training
Around 2021, inbound enterprise interest led Synthesia to refocus on training and onboarding videos.[10]
April 2021Series A
On April 21, 2021, Synthesia announced a $12.5 million Series A led by Matt Turck of FirstMark Capital.[13]
December 2021Series B
In December 2021 Synthesia closed a $50 million Series B led by Kleiner Perkins, with GV among the participants. Riparbelli said the platform’s power users were not video teams but other departments.[14]
In the preceding year the platform had generated more than 6 million videos for thousands of clients, including EY and WPPWPPWPP (WPP plc) is a marketing and communications services group headquartered in London. Its predecessor was Wire and Plastic Products, a wire and plastic products company registered in 1971; from 1985 it was transformed into a multinational communications services group and went on to acquire advertising groups including J. Walter Thompson, Ogilvy, Young & Rubicam and Grey. The company is listed on the London Stock Exchange, and its American Depositary Shares trade on the New York Stock Exchange (both under the symbol WPP); as of October 2026, its chief executive officer is Cindy Rose.Open the full entry. Riparbelli said users simply “select an avatar, type the script, hit generate.”[15]
June 2023Series C
On June 13, 2023, Synthesia announced a $90 million Series C at a $1 billion valuation, led by Accel with NVIDIANVIDIANVIDIA is an American semiconductor and computing technology company that provides graphics processing units, artificial intelligence infrastructure, networking interconnects, and computing software, and is listed on Nasdaq under the ticker NVDA.Open the full entry’s NVentures participating.[16]
On June 2, 2023, Accel’s Philippe Botteri became a director of Synthesia Limited.[7]
Riparbelli said: “We’ve made great strides toward our vision to make video easy for everyone, but there’s still a long way to go.”[17]
2023Responsible Practices
Synthesia was a launch partner, alongside AdobeAdobeAdobe (Adobe Inc.) is a software company headquartered in San Jose, California, founded in 1982 by John Warnock and Charles Geschke. Known for PostScript, PDF and creative software such as Acrobat, Photoshop, Illustrator, Premiere Pro and After Effects, it moved its main creative products to Creative Cloud subscriptions from 2013 and expanded into digital marketing and generative AI; it is listed on Nasdaq under the ticker ADBE.Open the full entry, the BBC, OpenAIOpenAIOpenAI is an artificial intelligence research and product organization founded in 2015 that develops the GPT model series, ChatGPT, Codex and a developer API, and conducts research on image, speech, video and intelligent agents. After its 2025 restructuring, the nonprofit OpenAI Foundation continues to control the for-profit OpenAI Group PBC. Its growth has involved large-scale fundraising and compute partnerships, and has also been accompanied by controversies over governance, copyright, privacy and AI safety.Open the full entry, TikTok and others, of the Partnership on AI’s framework for responsible practices for synthetic media.[18]
He argued for regulation focused on “intent” rather than specific algorithms, and said companies should prevent misuse through content moderation and identity verification.[19]
January 2025Series D
In January 2025 Synthesia raised a $180 million Series D at a $2.1 billion valuation, with investors including NEA, WiL and Atlassian Ventures, bringing total funding to more than $330 million.[20]
The company then had 400 employees and six offices, in London, New York City, Copenhagen, Amsterdam, Zurich and Munich.[21]
April 2025ARR Passes $100 Million
On April 15, 2025, Synthesia announced annual recurring revenue above $100 million and a strategic investment from Adobe Ventures. Riparbelli said the team aimed to build a “generational software business.”[22]
2025On EU Regulation
In 2025 he criticized EU AI regulation, saying: “I’m not a Brexiteer, but if we look back in 10 or 15 years, it might turn out to have saved the UK economy.” He added: “I could have moved my company to the US so many times.”[23]
October 1, 2025Synthesia 3.0
On October 1, 2025, he announced Synthesia 3.0, calling it “an entirely new media format,” with features including Video Agents that hold real-time conversations and Express-2 full-body avatars.[24]
October 2025Adobe Acquisition Talks
In October 2025, media reports stated that Synthesia had held talks with Adobe about an acquisition for about $3 billion without reaching a deal and had rejected the offer; the company declined to comment.[25]
The same month, other reports stated that Synthesia had raised $200 million at a $4 billion valuation, which Synthesia did not confirm at the time.[26]
January 26, 2026Series E
On January 26, 2026, Synthesia announced a $200 million Series E at a $4 billion valuation, led by GV, with Evantic and Hedosophia as new investors.[27]
Alongside the round, it arranged an employee secondary sale through Nasdaq, which acted only as a private-markets facilitator; the company did not go public. Riparbelli said: “This funding round is about scaling that vision.”[28]
June 8, 2026UK Memorandum
On June 8, 2026, during London Tech Week, Riparbelli and UK AI minister Kanishka Narayan signed a memorandum of understanding between Synthesia and the Department for Science, Innovation and Technology supporting the aim to upskill 10 million UK workers by 2030.[29]
June 2026G7 Lunch
In June 2026 he attended an AI lunch during the G7 summit in Évian, France, saying “Most businesses don’t buy models,” and pledged that by 2030 Synthesia would put interactive AI video training tools in the hands of 75 million workers.[30]
Related Organizations, Websites, and Public Accounts
X: Public account: https://x.com/vriparbelli (opens in a new window)[30]
LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry: Public profile: https://www.linkedin.com/in/victorriparbelli/ (opens in a new window)[19]
Synthesia: Official website: https://www.synthesia.io/ (opens in a new window)[31]
Sources
- Victor Riparbelli RASMUSSEN personal appointments - Find and update company information - GOV.UK (opens in a new window)
- Forget PowerPoint; the Future of Business Explainers is Like a Video Game (opens in a new window)
- Synthesia CEO Victor Riparbelli: 'I'm very good at slapping stuff together' (opens in a new window)
- Victor RIPARBELLI RASMUSSEN personal appointments - Find and update company information - GOV.UK (opens in a new window)
- Synthesia's Victor Riparbelli on creating an environment to harness AI benefits and reduce harms (opens in a new window)
- SYNTHESIA LIMITED overview - Find and update company information - GOV.UK (opens in a new window)
- SYNTHESIA LIMITED people - Find and update company information - GOV.UK (opens in a new window)
- Victor Riparbelli | SXSW London 2025 Speakers (opens in a new window)
- The startup behind that deep-fake David Beckham video just raised $3M (opens in a new window)
- Victor Riparbelli: Bringing AI Video to the Fortune 100 (opens in a new window)
- How we made David Beckham speak 9 languages (opens in a new window)
- Synthesia raises $200M Series E at $4B valuation to drive the next era of video creation (opens in a new window)
- Synthesia announces $12.5M Series A to replace cameras with code, and scale their AI video generation platform. (opens in a new window)
- Synthesia raises $50M to leverage synthetic avatars for corporate training and more (opens in a new window)
- MMC backs Synthesia again in $50 million funding round (opens in a new window)
- UK's Synthesia raises $90 million valuing the AI video creation platform at $1 billion (opens in a new window)
- Synthetic Media AI Startup Synthesia Raises $90M (opens in a new window)
- Launching a new framework for Responsible Practices for Synthetic media with the Partnership on AI (opens in a new window)
- On Regulation of Synthetic Media (opens in a new window)
- Synthesia Secures $180M in Series D Funding (opens in a new window)
- AI video unicorn Synthesia closes $180 million Series D (opens in a new window)
- Synthesia surpasses $100 million in annual recurring revenue and secures strategic investment from Adobe Ventures (opens in a new window)
- Synthesia CEO says 'stupid' EU tech laws vindicate Brexit (opens in a new window)
- With Synthesia 3.0, the next era of video is here (opens in a new window)
- Synthesia rejects $3bn Adobe acquisition offer (opens in a new window)
- AI video startup Synthesia reportedly raises $200M at $4B valuation (opens in a new window)
- Synthesia raises $200 million Series E at $4 billion valuation (opens in a new window)
- Synthesia Hits $4B Valuation in Series E, Adds Nasdaq-Backed Employee Liquidity (opens in a new window)
- Synthesia and the UK Government sign Memorandum of Understanding (MoU) to advance AI adoption and upskilling across the UK (opens in a new window)
- Victor Riparbelli attends G7 AI lunch in Évian (opens in a new window)
- About Synthesia (opens in a new window)