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§ Private Profile · San Francisco, CA, USA
Yammer is a technology company.
Yammer provides an enterprise social networking platform designed to foster communication and collaboration within organizations. As an internal application, it enables employees to connect, share information, and engage in discussions across departments and hierarchies, integrating community features into workplace productivity tools. Its core functionality revolves around creating a cohesive digital environment for internal corporate discourse.
The company was originally developed in 2008 by Geni, under the leadership of founder David Sacks, an internet visionary. The foundational insight was the belief that enterprise social networking would revolutionize internal communications, transforming how companies operate and interact. Microsoft subsequently acquired Yammer in 2012, incorporating it into its broader suite of enterprise solutions.
Today, Yammer serves organizations globally, typically as an integral part of Microsoft 365 enterprise plans. Its ongoing vision involves evolving into Microsoft Viva Engage, aiming to deepen engagement and bring rich community experiences directly into daily work applications. The platform continues to focus on enhancing the intelligent intranet, enabling more dynamic and connected workplaces.
Yammer has raised $244.0M across 7 funding rounds.
Key people at Yammer.
Yammer was founded in 2008 by David Sacks (Founder/CEO).
Yammer has raised $244.0M in total across 7 funding rounds.
Key people at Yammer.
Yammer is an enterprise social networking platform that enables internal communication and collaboration within organizations, functioning like a private Twitter or Facebook for businesses.[1][2][3] Originally launched as a standalone company in 2008, it was acquired by Microsoft in 2012 for $1.2 billion and has since been integrated into Microsoft 365 enterprise plans, evolving into Viva Engage by February 2023 to emphasize community-friendly employee experiences.[2][3] It serves companies worldwide by allowing employees to share information, files, and ideas in real-time, addressing the challenges of dispersed teams through a freemium model that drove viral adoption.[1][3]
Yammer solves the problem of siloed communication in growing, global organizations by unifying people, content, and data across departments and locations, fostering transparency and productivity.[3][4] Post-acquisition, it competes with tools like Microsoft Teams but remains a core Microsoft 365 component, with ongoing investments in features like real-time document editing acquired via OneDrum.[2][3]
Yammer originated as an internal communication tool within Geni, a genealogy startup, built by co-founders David O. Sacks and Adam Pisoni in 2008.[1][2] After six months of internal use at Geni, Sacks recognized its broader potential and spun it out as an independent product, launching publicly at TechCrunch50 in September 2008, where it won top prize and gained early investment momentum.[1][2]
Key early traction came from its freemium model—free for basic use with paid admin tools—requiring corporate email for access, which fueled viral growth to 4 million users by 2011.[1][2] Microsoft acquired it in June 2012 for $1.2 billion, integrating the team into its Office division while keeping Sacks in leadership; the platform later added features like notifications and real-time tech shifts before rebranding to Viva Engage.[2][3]
Yammer rode the early 2010s wave of enterprise social networking, filling gaps left by email and intranets amid rising remote/global teams, positioning Microsoft to counter rivals like Salesforce Chatter and Jive.[1][3] Its timing capitalized on viral, consumer-like tools entering business, proving freemium viability in B2B and influencing adoption of collaborative platforms pre-Teams era.[1][2]
Market forces like organizational growth and real-time needs favored it, with Microsoft leveraging the acquisition to bolster its enterprise suite against collaboration demand.[3] Today, as Viva Engage, it shapes employee experience platforms, promoting transparency in hybrid work while coexisting with Teams, underscoring social layers' role in productivity ecosystems.[2][3]
Microsoft continues investing in Yammer/Viva Engage despite Teams competition, confirming its place in Microsoft 365 with updates for collaboration and community features.[3] Next steps likely include deeper AI integrations and hybrid work enhancements, riding trends like employee engagement platforms amid evolving remote norms.
Its influence may grow by blending social networking with Microsoft's productivity stack, solidifying Yammer's legacy from scrappy startup to enduring enterprise tool that redefined internal comms.[1][2][3]
Yammer was founded in 2008 by David Sacks (Founder/CEO).
Yammer has raised $244.0M in total across 7 funding rounds.
Yammer's investors include Randy Glein, Chamath Palihapitiya, Bill Lee, Max Levchin, Ronnie Lott, Stephen George, CRV, Emergence Capital, Peter Thiel, Khosla Ventures, Paul Madera, U.S. Venture Partners.
Yammer has raised $244.0M across 7 funding rounds. Most recently, it raised $85.0M Other Equity in February 2012.
