About William Porteous
William Porteous is a director at Lovelace AI.
Form D filings also name William Porteous as a director at Ursa Space and HyperSpectral.
William Porteous first appears on SEC filings in 2018.
Experience
This experience comes from William Porteous's profile and from SEC filings. For roles taken from filings, the years are when the filings name William Porteous in the role, so the role may have started earlier or lasted longer.
WA
Wave Current
Board Member
2020 – Present
PP
Paperless Post Current
Board Member
2019 – Present
Ursa Space Systems Inc. Current
Director
2018 – Present · Ithaca, NY
Satellite data analysis for government agencies and businesses.
NA
Nanit Current
Board Member
2017 – Present
BL
BlackSky Current
Non Executive Chairman
2015 – Present
PI
Pilot Current
Board Member
2015 – Present
SP
Spire Current
Lead Board Member
2014 – Present
DF
Dockery Farms Foundation Current
Founder and Co-Chairman
2004 – Present
RV
RRE Ventures Current
General Partner and COO
2000 – Present
BU
BuzzFeed
Board Member
2010 – 2021
CU
Columbia University
Adjunct Associate Professor
2003 – 2018
WL
WhipTail Technologies LLC
Board Member
2011 – 2013
SU
SupplyWorks
Product Manager
1996 – 1998
NE
Netmarket
VP, Marketing and Business Development
1994 – 1995
Key Colleagues at Startups
The people William Porteous works with at each company, as listed on that company's latest Form D.
Ursa Space Systems Inc. · Form D, Jul 20, 2026
CS
Christopher Steed
Director

Adam Maher
CEO & Co-founder, director

Mark Snell
CFO
DF
Daniel Freedman
Director
PG
Paul Graziani
Director

Julie Baker
COO & Co-founder
HyperSpectral Corp. · Form D, Oct 15, 2025
MT
Matthew Theurer
Executive officer and director
VL
Vincent Lubsey
Executive officer
JL
Juan Lopez
Director
LS
Lauren Stack
Chief Operating Officer and director
Lovelace AI Inc. · Form D, Jun 9, 2025
AM
Andrew Moore
Chief Executive Officer and director
ES
Elizabeth Stein
Director