Find your path to Pat
209 people in our graph share verified history with Pat — schools, employers, funds. One of them is your warm intro.
About
Pat Kinsel is founder and CEO of Proof, a platform providing online notarization, cryptographic signatures, and fraud detection capabilities for identity verification and digital transaction execution. Previously, he was a partner at Polaris Partners where he led funding rounds in Lob and Drizly, and co-founded Spindle, a social search company acquired by Twitter in 2013. His earlier experience includes product development roles at Microsoft, where he worked on Bing Social Search and Docs.com, a collaboration between Microsoft and Facebook launched in 2010.
Board director at Drizly
Intro paths
In turn, Pat can intro founders to Drizly's investors below.
Drizly's investors · 7
Co-founders at Drizly

Founder & CEO at Proof
Intro paths
In turn, Pat can intro founders to Proof's investors below.
Proof's investors · 12
Experience
- TechNet: The Voice of American InnovationMember of Executive Councilcurrent2026 — present
- Proof (formerly Notarize)Founder & CEOcurrent2015 — presentBoston, Massachusetts, United States
- LobMember, Board of Directors2014 — 2022San Francisco Bay Area
- Polaris PartnersPartner2014 — 2022Boston, MA
- Polaris PartnersEntrepreneur in Residence2013 — 2014Greater Boston Area
- DrizlyMember Board of Directors2015 — 2020Greater Boston Area
- Harvard Innovation LabMentor2013 — 2019Cambridge, MA
- SpindleCo-Founder & CEO2010 — 2013Boston, MA
- Existory, Inc.Founder & CEO2007 — 2009San Francisco Bay Area
- SRI InternationalBusiness Development Consultant2006 — 2007San Francisco Bay Area
- F X TradingMarketing and Business Development2005 — 2006Greater Boston Area
Skills & more
+11 more
Program ManagementGo-to-market StrategyProduct DesignBusiness StrategyCross-functional Team LeadershipProduct MarketingBusiness DevelopmentOutlookLeadershipLead GenerationDigital Marketing- Funky dance moves — United Latino Students Association
From Pat's professional profile.
Deals · 1
DrizlyBoard seat
via Polaris Partners · filed Dec 2018 · $34.6M raise
Attribution from SEC filings, press coverage, and firm rosters.
Frequently asked questions
- Who is Pat Kinsel?
- Pat Kinsel is founder and CEO of Proof, a platform providing online notarization, cryptographic signatures, and fraud detection capabilities for identity verification and digital transaction execution. Previously, he was a partner at Polaris Partners where he led funding rounds in Lob and Drizly, and co-founded Spindle, a social search company acquired by Twitter in 2013. His earlier experience includes product development roles at Microsoft, where he worked on Bing Social Search and Docs.com, a collaboration between Microsoft and Facebook launched in 2010.
- Where does Pat Kinsel work?
- Pat Kinsel is Founder & CEO of Proof and Board director at Drizly.
- What companies did Pat Kinsel found?
- Pat Kinsel founded Proof.
- What boards does Pat Kinsel sit on?
- Pat Kinsel holds tracked board seats at Drizly.
- Where did Pat Kinsel go to school?
- Pat Kinsel studied at Boston University (Nope); Phillips Andover Academy.
Founder mafias
Boston University mafia244
Also came through, then founded or led a company.
Polaris Partners mafia7
Also came through, then founded or led a company.
Lob mafia5
Also came through, then founded or led a company.
Polaris Partners mafia5
Also came through, then founded or led a company.
Same school
Shared employers
Also worked at TechNet: The Voice of American Innovation1
Also worked at Proof (formerly Notarize)10
+ 4 more
Also worked at Lob9
+ 3 more
Also worked at Polaris Partners43
+ 37 more



























































