HubSpot co-founder Brian Halligan is returning as chief executive officer, the customer software company announced on Thursday, 12 November, replacing Yamini Rangan in a leadership reset the company is calling a refounding.
Rangan is stepping down as chief executive and from the board, effective 12 November, but will remain with the company through 1 December to ensure a smooth transition. She has led HubSpot since September 2021.
FAKTA
- Brian Halligan returns as HubSpot CEO, effective 12 November 2026, replacing Yamini Rangan.
- Halligan co-founded HubSpot in 2005 with Dharmesh Shah and served as CEO for 16 years.
- Rangan led the company since September 2021 and stays until 1 December 2026 for the transition.
- Under Rangan, customers grew from 135,000 to more than 311,000 and revenue is expected to reach $3.7 billion in 2026.
- Chief Financial Officer Kate Bueker will retire on 11 February 2027; Karen Burgess of Adobe will succeed her.
- HubSpot reaffirmed its fourth-quarter and full-year 2026 financial guidance.
Brian Halligan Returns as CEO
Halligan co-founded HubSpot in 2005 with chief technology officer Dharmesh Shah and served as chief executive for 16 years, leading the company from its founding through its initial public offering to a market value of more than $30 billion in 2021. He never left the board.
Announcing his return on social media, Halligan wrote that he and Shah were completely refounding the company, calling it day one and describing HubSpot as now the Customer Harness Company. He said he would post in the coming days about why he was coming back and what his plans are.
The change comes as HubSpot races to reposition itself around artificial intelligence. In its third-quarter report eight days earlier, Rangan had said AI was moving software from tools that help people do work to agents that do the work and deliver outcomes.

A business team meeting in a modern office. HubSpot says its co-founder’s return marks a refounding of the company around AI.
Rangan’s Record
Rangan joined HubSpot in 2020 as its first chief customer officer and became chief executive the following year. Under her leadership, the company said it grew from 135,000 customers to more than 311,000, and from $1.3 billion in revenue in 2021 to an expected $3.7 billion in 2026.
HubSpot’s third-quarter results, reported on 4 November, included revenue of $947.6 million, up 17%, and 311,704 customers, up 12%.
A New Finance Chief Too
HubSpot also announced the long-planned retirement of chief financial officer Kate Bueker, effective 11 February 2027, after eight years in the role. Karen Burgess, currently senior vice president and chief financial officer of Adobe’s Creativity and Productivity business unit, will join HubSpot on 30 November as executive vice president of finance and take over as chief financial officer when Bueker leaves.
The company reaffirmed the fourth-quarter and full-year 2026 guidance it issued with its third-quarter results on 4 November.
Conclusion
Halligan’s return puts a founder back in charge of HubSpot at a moment of rapid change in the software industry. With a new chief financial officer arriving and guidance reaffirmed, the company is betting that a refounding led by its co-founder can carry it through the shift to AI agents.






























