People · Operator

Roger Jeffs

Named in public records as an officer, director or promoter · active 2018–2025 · Biotechnology

3
Companies
10
Filings
$922.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Kriya Therapeutics, Inc.BiotechnologySeries D+$870.3M$2.5B2020
Spyryx Biosciences, Inc.BiotechnologySeries B$29.1M$235.4M2018
Evecxia, Inc.BiotechnologySeries A$23.1M$13.5M2019
Operator network

Roger Jeffs 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.

Saira Ramasastry · 4 companies · 1 sharedSaira RamasastryDana Johnson · 3 companies · 1 sharedDana JohnsonDANIEL CHEN · 3 companies · 1 sharedDANIEL CHENIlan Oren · 2 companies · 1 sharedIlan OrenJames Momtazee · 2 companies · 1 sharedJames MomtazeeRyan Gallagher · 2 companies · 1 sharedRyan GallagherAkshay Rai · 1 companies · 1 sharedAkshay RaiBrian Furmanski · 1 companies · 1 sharedBrian FurmanskiBritt Petty · 1 companies · 1 sharedBritt PettyC.R. Sincock · 1 companies · 1 sharedC.R. SincockJohn Taylor · 10 companies · 1 sharedJohn TaylorTim Shannon · 9 companies · 1 sharedTim ShannonChristy Shaffer · 6 companies · 1 sharedChristy ShafferBrian Daniels · 5 companies · 1 sharedBrian DanielsRobert Tarran · 2 companies · 1 sharedRobert TarranAndrew Jordan · 1 companies · 1 sharedAndrew JordanAllan Shaw · 2 companies · 1 sharedAllan ShawDavid Zaccardelli · 2 companies · 1 sharedDavid ZaccardelliElliot Ehrich · 2 companies · 1 sharedElliot EhrichJohn Kaiser · 2 companies · 1 sharedJohn KaiserThomas Aasen · 2 companies · 1 sharedThomas AasenCraig Robert Sincock · 1 companies · 1 sharedCraig Robert Sinc…Kriya Therapeutics, Inc. · $870.3M raisedKriya Therapeutics, I…Spyryx Biosciences, Inc. · $29.1M raisedSpyryx Biosciences, I…Evecxia, Inc. · $23.1M raisedEvecxia, Inc.Roger JeffsRJ
Roger Jeffs Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
John Taylor110
Tim Shannon19
Christy Shaffer16
Brian Daniels15
Saira Ramasastry14
DANIEL CHEN13
Dana Johnson13
James Momtazee12
Thomas Aasen12
John Kaiser12
Allan Shaw12
Robert Tarran12
Ilan Oren12
Ryan Gallagher12
Elliot Ehrich12
David Zaccardelli12
Katherine Eade11
Neelaksh Varshney11
Akshay Rai11
Shankar Ramaswamy11

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.