About Bill Stein
Bill Stein co-founded Primary Digital Infrastructure, where he is a partner and chief investment officer, and he is a Crusoe director. He co-founded Digital Realty Trust and was its CEO from 2014 to 2022. He joined Crusoe's board of advisors in 2023.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Bill Stein in the role, so the role may have started earlier or lasted longer.
PI
Primary Digital Infrastructure Current
Co-founder, Partner and Chief Investment Officer
VE
Verne Current
Chairman
BC
Blue Owl Capital Current
Advisor
AR
Armada Current
Advisor
PC
Pennybacker Capital Current
Advisory Board Member
Crusoe Inc.
Director
2026 · Denver, CO
Crusoe secures power, builds and runs AI data centers, and rents GPU cloud computing to AI labs and large companies.
DT
Digital Realty Trust
Chief Executive Officer (2014 – 2022)
Co-founder and Chief Investment Officer (2004 – 2014)
Chief Financial Officer
2004 – 2022
GP
GI Partners
PN
PNC
Co-Head of Venture Bank
TT
TriNet Corporate Realty Trust
President and Chief Operating Officer
Executive Vice President, Chief Financial Officer and Secretary
WE
Westinghouse Electric
WS
Westinghouse Financial Services
DC
Duquesne Light Company
HR
Host Hotels & Resorts
Board member
SA
Salute
Board member
Education
- A.B., Classics, Princeton University
- M.S., Carnegie Mellon University
- J.D., University of Pittsburgh
Key Colleagues at Startups
The people Bill Stein works with at each company, as listed on that company's latest Form D.
Crusoe Inc. · Form D, Sep 17, 2026
CL
Chase Lochmiller
Executive officer and director
MG
Michael Gordon
Chief Operating Officer and Chief Financial Officer
VP
Vivek Pattipati
Director
TS
Thomas Seifert
Director
JS
JB Straubel
Director
ES
Enrique Salem
Director
NK
Nael Kassar
Director
CC
Cully Cavness
Co-founder, President and Chief Strategy Officer, director