Steven Sinofsky
InvestorFounderPartner at Andreessen Horowitz · Board director at Everlaw · Board director at Tanium
United States
Writes $10K – $250K checks · typically $100K
About
Steven Sinofsky is a business and product development executive who spent his career at Microsoft, beginning as a software design engineer in 1989 and rising to senior leadership roles in Office and the Windows division, where he oversaw major releases including Windows 7, Windows 8, and Surface through 2012. He co-authored "One Strategy: Organization, Planning, and Decision Making" with Harvard Business School professor Marco Iansiti, drawing from his experience leading the Windows team. Sinofsky currently works as an independent investor and advisor, maintains a focus on technology's role in developing markets, and is the author of "Hardcore Software: Inside the Rise and Fall of the PC Revolution."
Board director at Everlaw
Intro paths
In turn, Steven can intro founders to Everlaw's investors below.
Everlaw's investors · 9
Co-founders at Everlaw
Board director at Tanium
Intro paths
In turn, Steven can intro founders to Tanium's investors below.
Tanium's investors · 8
Co-founders at Tanium


Experience
- Hardcore Software: Inside the Rise and Fall of the PC RevolutionAuthorcurrent2020 — presentRedmond, Washington, United States
- EverlawBoard Membercurrent2016 — present
- TaniumAdvisory Board Membercurrent2014 — presentOakland, California, United States
- BoxAdvisorcurrent2013 — presentLos Altos, CA, USA
- Andreessen HorowitzBoard Partnercurrent2013 — present
- Product HuntBoard Member2014 — 2016
- Local Motion, IncBoard Member2013 — 2015
- Harvard Business SchoolExecutive in Residence2013
- MicrosoftPresident, Windows Division2006 — 2012
- MicrosoftSenior vice president, Windows and Windows Live product development2006 — 2009
- MicrosoftSenior vice president, Office product development2003 — 2006
- MicrosoftSenior vice president, Office product development2004 — 2005Beijing, China
- MicrosoftVice president, Office product development1997 — 2003
- MicrosoftDirector of program management, Office Product Unit1994 — 1997
- MicrosoftTechnical Assistant1993 — 1994
- MicrosoftSoftware Design Engineer / Project Lead1989 — 1993
- One Strategy: Organization, Planning, and Decision MakingAuthor2009
- Harvard Business SchoolVisiting Scholar1998Cambridge, MA
- Cornell UniversityResident Advisor1985 — 1987Ithaca, New York, United States
- Cornell UniversityStudent Terminal Operator1983 — 1987Ithaca, New York, United States
Education
- Cornell UniversityBA, cum laude1983 — 1987
- University of Massachusetts AmherstMS, Computer Science1987 — 1989
- Lake Brantley High SchoolDiploma1979 — 1983
- Milwee Middle School6-8th1976 — 1979
- Spring Lake Elementary School1975 — 1976
Skills & more
+12 more
Organizational EffectivenessSoftware Project ManagementSoftware DesignOrganizational StructureOrganizational DevelopmentStrategic PartnershipsCEO SuccessionScalabilityMobile DevicesSolution ArchitectureEnterprise SoftwareC#From Steven's professional profile.
Deals · 2
EverlawBoard seat
via Andreessen Horowitz · filed Jul 2018 · $25.3M raise
TaniumBoard seat
via Andreessen Horowitz · filed May 2015 · $64M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Andreessen Horowitz
Frequently asked questions
- Where does Steven Sinofsky work?
- Steven Sinofsky is Partner at Andreessen Horowitz and Founder at Everlaw and Founder at Tanium.
- What check size does Steven Sinofsky write?
- Steven Sinofsky typically writes checks of $10K – $250K.
- What companies did Steven Sinofsky found?
- Steven Sinofsky founded Everlaw, Tanium.
Same school
Also attended Cornell University703
+ 697 more
Also attended University of Massachusetts Amherst94
+ 88 more
Shared employers
Also worked at Everlaw3
Also worked at Tanium5
Also worked at Microsoft1,061
+ 1,055 more
Also worked at Cornell University105
+ 99 more



















.png)
















