People · Operator

Helen Greiner

Named in public records as an officer, director or promoter · active 2010–2021 · Other Technology

2
Companies
6
Filings
$49.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
CyPhy Works, Inc,Other TechnologySeries B$44.4M$154.1M2010
Tertill CorpOther TechnologySeed$5.0M$92.6M2021
Operator network

Helen Greiner at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

Bilal Zuberi · 13 companies · 1 sharedBilal ZuberiJohn Simon · 11 companies · 1 sharedJohn SimonAmy Villeneuve · 2 companies · 1 sharedAmy VilleneuveFelda Hardymon · 2 companies · 1 sharedFelda HardymonAmy Villenueve · 1 companies · 1 sharedAmy VillenueveAnita Jones · 1 companies · 1 sharedAnita JonesGeneral Catalyst Group V, L.P. · 1 companies · 1 sharedGeneral Catalyst …Lance Vanden Brook · 1 companies · 1 sharedLance Vanden BrookTad Elmer · 1 companies · 1 sharedTad ElmerJoseph Jones · 4 companies · 1 sharedJoseph JonesBjorn Axling · 1 companies · 1 sharedBjorn AxlingMark Hager · 1 companies · 1 sharedMark HagerRory MacKean · 1 companies · 1 sharedRory MacKeanCyPhy Works, Inc, · $44.4M raisedCyPhy Works, Inc,Tertill Corp · $5.0M raisedTertill CorpHelen GreinerHG
Helen Greiner Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside Helen Greiner on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Bilal Zuberi113
John Simon111
Joseph Jones14
Felda Hardymon12
Amy Villeneuve12
Rory MacKean11
Bjorn Axling11
Lance Vanden Brook11
Amy Villenueve11
General Catalyst Group V, L.P.11
Anita Jones11
Tad Elmer11
Mark Hager11

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.