Halligan returns to lead the CRM and marketing technology company after five years, as HubSpot announces a leadership transition and plans to strengthen its AI-driven customer platform.
HubSpot has appointed co-founder Brian Halligan as Chief Executive Officer, effective November 12, 2026, marking his return to the company's top executive position after five years. He succeeds Yamini Rangan, who has stepped down as CEO and from the company's Board of Directors.
The leadership transition was announced by HubSpot's Board of Directors, with Rangan expected to remain with the company until December 1, 2026, to support the handover.
Halligan co-founded HubSpot in 2005 alongside Dharmesh Shah and served as CEO for 16 years before stepping down in September 2021. He has remained associated with the company as a board member and previously served as Executive Chairperson.
His return comes as HubSpot expands its artificial intelligence capabilities across customer relationship management, marketing, sales and customer service applications.
According to the company, Halligan will focus on restructuring its product development, go-to-market operations and organisational culture as part of what it describes as a new phase of growth.
Halligan said the company's next chapter would involve developing a customer relationship platform capable of supporting businesses through increasingly AI-driven workflows.
Under Rangan's leadership, HubSpot expanded its customer base from approximately 135,000 in 2021 to more than 311,000 in 2026.
The company's annual revenue also increased from $1.3 billion in 2021 to an expected $3.7 billion in 2026, reflecting its expansion into a broader customer platform serving businesses across multiple markets.
Rangan had served as CEO since September 2021, overseeing the company's growth across enterprise customers, product offerings and AI-enabled business applications.
Alongside the CEO transition, HubSpot announced changes to its finance leadership.
Chief Financial Officer Kate Bueker will retire from her position on February 11, 2027, after eight years with the company.
Karen Burgess, currently Senior Vice President and CFO of Adobe's Creativity and Productivity business unit, will join HubSpot on November 30, 2026, as Executive Vice President, Finance.
Burgess is scheduled to succeed Bueker as CFO on February 11, 2027. Bueker will continue serving in an advisory capacity until December 31, 2027.
HubSpot said the leadership changes would support its next stage of development as businesses increasingly adopt AI-powered tools for customer engagement and operational processes.
The company also reaffirmed its financial guidance for the fourth quarter and full year 2026, previously issued on November 4.
Halligan's appointment places the company's co-founder back in charge as HubSpot continues developing its AI-powered customer platform and expanding its presence in the global marketing technology and CRM software market.
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