Y
Yammer
Other B2B Software · San Francisco, United States · Founded 2008
Yammer mafia
Startups founded by Yammer alumni
Former Yammer employees who went on to start their own companies. Sorted by Dealroom signal score.
Rahul AgarwalIndia
Kris GaleUnited States
Derek SteerUnited States
Aaron VoisineSwitzerland
Mike O'NeillUnited States
Mamoon HamidUnited States
Peter FishmanUnited States
Jeffrey EricksonUnited States
Fahim FerdousUnited States
George IshiiUnited States
Steve CromptonUnited KingdomGlobal footprint
Where Yammer has talent and traffic
team presence
across markets
Talent graph
The shape of Yammer's talent
Dealroom maps Yammer's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.
Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.
Patent intelligence
$3M patent portfolio · 2 active families
Where Yammer concentrates vs peers
Each axis is a top-10 topic across Yammer and its closest peers. #1 = 100, #10 = 10, absent = 0.
Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.
Market sentiment
What the market is saying about Yammer
An AI-synthesized read of the highest-engagement posts about Yammer on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Yammer on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.













