Brian Halligan

Co-Founder and Board Member HubSpot

Last Reviewed: September 18, 2026

Executive Summary

Brian Halligan co-founded HubSpot in 2006 and spent fifteen years as its chief executive, building it from an MIT Sloan side project into a public company and, along the way, giving a name and a method to inbound marketing, the idea that companies should earn attention with useful content rather than buy it with interruption. He led HubSpot through its 2014 initial public offering and its expansion from a marketing tool into a full customer platform, handed the chief executive role to Yamini Rangan in 2021, served as Executive Chairperson until May 2025, and now sits on the board as a non-executive director. His attention has since moved outward: he founded Propeller, a climate-technology venture fund concentrating on ocean innovation, advises at Sequoia Capital, and teaches entrepreneurship at MIT Sloan, where he has run the Scaling Entrepreneurial Ventures course for over a decade.

Career Highlights

• Co-founded HubSpot with Dharmesh Shah in June 2006 and served as Chief Executive Officer until 2021, taking the company public in 2014.
• Popularised the term and discipline of inbound marketing, and co-authored the field’s foundational book with Shah.
• Co-authored ‘Marketing Lessons from the Grateful Dead’ with David Meerman Scott, drawing business strategy from the band’s unorthodox approach to touring and fan community.
• Served as HubSpot’s Executive Chairperson from 2021 until 6 May 2025, then moved to a non-executive board seat.
• Founded Propeller in 2022, a 100 million dollar venture fund backing climate technology with an ocean focus.
• Senior lecturer at MIT Sloan and recipient of the school’s Monosson Prize in 2023 for his mentorship of entrepreneurs.
• Senior adviser at Sequoia Capital and host of the chief-executive interview podcast ‘Long Strange Trip’.
• Earlier career at Parametric Technology Corporation, rising to senior vice president for the Pacific Rim, then vice president of sales at Groove Networks until its acquisition by Microsoft, and a spell as a venture partner at Longworth Ventures.

Professional Journey

Halligan trained as an electrical engineer at the University of Vermont, graduating in 1990, but his career was made in sales. He joined Parametric Technology Corporation, the CAD and product lifecycle management company that was then one of the most aggressive sales organisations in enterprise software, and worked his way up to senior vice president for the Pacific Rim. From there he moved to Groove Networks, Ray Ozzie’s peer-to-peer collaboration startup, as vice president of sales from 2000 until Microsoft acquired the company in 2004. A period as a venture partner at Longworth Ventures followed, giving him a view of the investor side of early-stage companies.

He then enrolled at MIT Sloan, taking his MBA in 2005, and it was there that he met Dharmesh Shah. The observation that drove them was simple and, at the time, contrarian: the sales playbook Halligan had spent fifteen years executing, built on cold calls, trade shows, and interruption, was losing effectiveness because buyers had acquired the tools to ignore it. The alternative was to make the company findable, to publish material people actually wanted, and to let search and social distribution do the prospecting. They named the idea inbound marketing and founded HubSpot in June 2006 to sell the software that made it practical for small and mid-sized businesses.

HubSpot grew into the category’s defining company. Halligan led it as chief executive for fifteen years, through its initial public offering in 2014 and through the strategic widening from a marketing tool into a customer platform spanning marketing, sales, service, and CRM. The company’s own growth doubled as the proof of its thesis: HubSpot marketed itself inbound, and the content operation it built became a case study for the method it sold.

In 2021 Halligan stepped down as chief executive, with Yamini Rangan, then the company’s chief customer officer, succeeding him. Contemporaneous coverage tied the timing to a serious snowmobile accident he had suffered that year and the reassessment that followed it. He took the Executive Chairperson role, remaining involved in strategy while stepping out of day-to-day operations. That arrangement ran until 6 May 2025, when he resigned the executive chairmanship and moved to an ordinary non-executive board seat, with Lorrie Harrington taking over as Chairperson.

His work now runs on several tracks. Propeller, the venture fund he founded in 2022, deploys 100 million dollars into climate technology with a particular interest in ocean innovation, an area he has argued is chronically underfunded relative to its leverage on the climate problem. He advises at Sequoia Capital. He continues to teach Scaling Entrepreneurial Ventures at MIT Sloan, the course that won him the school’s Monosson Prize in 2023, and he interviews other chief executives on his podcast ‘Long Strange Trip’, a title that tells you most of what you need to know about his other preoccupation.

Education

University of Vermont

Bachelor of Science, Electrical Engineering (1990)

MIT Sloan School of Management

MBA (2005)