Rob Pierre

In 2005, Pierre co-founded the digital marketing company Jellyfish and served as its chief executive. For many years Jellyfish was known as “Google’s ad agency,” and it later became one of the most globally certified companies across platforms including Google Marketing Platform, Google Cloud, Salesforce, and Amazon, with clients including Google, Netflix, and Uber.⁠[1][2][3][3]

In 2010, Pierre co-founded the inbound marketing call tracking company Infinity; his other business interests have included the golf business Pro-Am Tour and the London bar and restaurant Mber.⁠[4]

In November 2019, the French investment group Fimalac acquired around three-quarters of Jellyfish in a deal valuing the company at £500 million; Fimalac then integrated the data specialist Tradelab into Jellyfish, and its backing allowed Jellyfish to continue its international expansion.⁠[3][4][3][4]

In 2021, Pierre was voted Media Week’s Media Leader of the Year in recognition of achievements at Jellyfish including a global training initiative for people on furlough during the pandemic, the agency’s commitment to diversity, equity and inclusion, and its strong business results.⁠[4]

On June 1, 2023, The Brandtech Group announced that it had acquired 100 percent of Jellyfish, creating a digital-only marketing group with more than $1 billion in revenue and over 7,000 employees. At the time Jellyfish had more than 2,000 employees across 38 offices worldwide and had just had its most profitable year; Fimalac became one of the largest long-term shareholders in Brandtech.⁠[3][3][3][3]

After the deal, Pierre moved from chief executive to a newly created role as chair of Jellyfish, focusing on mergers and acquisitions and expansion together with Brandtech founder and chief executive David Jones; Nick Emery of Brandtech Media became Jellyfish’s chief executive. Pierre said the chemistry with Brandtech had been “instant and compelling.”⁠[3][3][3]

After an extended summer break in 2023, Pierre announced that he was stepping down as chair of Jellyfish, ending 18 years at the company. By then Jellyfish had annual revenue of £275 million and more than 2,000 employees in 38 countries; Brandtech confirmed that he remained a shareholder in the group. Pierre said he would focus on other ambitions, including projects with the potential for wider societal impact.⁠[4][4][4][4][4][4]

In January 2024, Pierre invested £500,000 in the London home furniture and furnishings search platform ufurnish.com and became an advisor, bringing the start-up’s total funding to around £5.7 million.⁠[1][1][1]

On November 30, 2025, The Venture Room released a street-interview video filmed in Kensington, London, in which Pierre, introducing himself as an investor and entrepreneur, was one of the interviewees. He said in the interview that Jellyfish had been sold for over half a billion pounds; he also said he was born in the UK, lived in Trinidad for ten years, returned at 14, and at one point lived in a council house with his mother and sister, without any family wealth.⁠[5][5][5][5]

Asked how he would make his first million if he started again, he proposed a mobile car-washing service approaching every golf club in the UK, with an app to make booking and payment easy and to collect data. He also recommended Patrick Lencioni’s The Five Dysfunctions of a Team and Malcolm Gladwell’s Outliers.⁠[5][5][5][5]

“Stay niche. Master your craft.” He argued that if you do something 100 times and refine it each time, even a more talented, smarter team will never do it better than you; you can always diversify later. (at 02:00 in the video)⁠[5][5][5]

“Find anything with a compelling event and a real need, then build a minimum viable product and don’t procrastinate.” He gave prom dresses as an example: every 16- or 17-year-old going to the prom will need one. (at 03:00 in the video)⁠[5]

“Technology is not going to be a differentiator; it’s going to be a standard.” He said most attention should go to the fundamentals, building a team that is focused on results, accountable for what it delivers, and built on trust. (at 03:37 in the video)⁠[5][5]