Pat Kinsel
Founder & CEO @ Proof
Boston, United States
Pat Kinsel is a Series A investor at Proof in Boston focused on SaaS and FinTech. Pat Kinsel is based out of Boston, Massachusetts and is the CEO and Founder of Proof. Pat previously worked at Lob as a Member, Board of Directors. Pat Kinsel attended Boston University.
- Total investments:
- 9
- Lead investor:
- 33%
Last updated:
For AI agents: llms.txt
Industries Pat Kinsel invests in
Stages Pat Kinsel invests in
Countries Pat Kinsel invests in
Round sizes
Round size
- Seed
- $2.3M–$2.4M
- Series A
- $7M–$13M
- Series B
- $17M–$23M
Investment Focus
Industry
- SaaS 1 (11%)
- FinTech 1 (11%)
- Shipping 1 (11%)
- Software 1 (11%)
- Marketing 1 (11%)
Stage
- Series A 3 (33%)
- Seed 2 (22%)
- Series B 2 (22%)
- Series C 1 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Digits
|
Digits is a fintech company building tools for businesses and finance professionals by leveraging its proprietary Living Model technology. The company was founded by Wayne Chang and Jeff Seibert in 2018 and is headquartered in San Francisco, California, United States. | $10.5M / Series A / Nov 06, 2019 | |
Drizly
|
Drizly is an alcohol marketplace that offers a variety of beer, wine and, spirits online.With the speed and convenience of on-demand delivery and shipping, Drizly partners with retailers in 235 markets to offer consumers of legal drinking age unrivaled selection and a transparent, personalized shopping experience. Backed by institutionalinvestors, Drizly partners with retailers to bring their shelves online, helping them to reach new customers, tap into key market and customer insights, and diversify their business to grow sales.The company was founded in 2012 and is headquartered in Boston, Massachusetts. | $34.6M / Series C / Dec 10, 2018 | |
Lob
|
Lob automates direct mail for modern businesses. More than 7,000 companies use Lob’s APIs to move faster and create new growth opportunities. Lob’s APIs dramatically reduce mail processing time, reclaiming thousands of hours and improving data quality. One in four households in the U.S. have received mail generated through Lob’s platform.Headquartered in San Francisco, Lob is backed by leading investors including Y Combinator, First Round Capital and Polaris Partners. | $22.9M / Series B / May 31, 2017 | |
|
Drizly
|
Drizly is an alcohol marketplace that offers a variety of beer, wine and, spirits online.With the speed and convenience of on-demand delivery and shipping, Drizly partners with retailers in 235 markets to offer consumers of legal drinking age unrivaled selection and a transparent, personalized shopping experience. Backed by institutionalinvestors, Drizly partners with retailers to bring their shelves online, helping them to reach new customers, tap into key market and customer insights, and diversify their business to grow sales.The company was founded in 2012 and is headquartered in Boston, Massachusetts. | $17M / Series B / Feb 21, 2017 | |
|
Drizly
|
Drizly is an alcohol marketplace that offers a variety of beer, wine and, spirits online.With the speed and convenience of on-demand delivery and shipping, Drizly partners with retailers in 235 markets to offer consumers of legal drinking age unrivaled selection and a transparent, personalized shopping experience. Backed by institutionalinvestors, Drizly partners with retailers to bring their shelves online, helping them to reach new customers, tap into key market and customer insights, and diversify their business to grow sales.The company was founded in 2012 and is headquartered in Boston, Massachusetts. | $13M / Series A / May 18, 2015 | |
|
Lob
|
Lob automates direct mail for modern businesses. More than 7,000 companies use Lob’s APIs to move faster and create new growth opportunities. Lob’s APIs dramatically reduce mail processing time, reclaiming thousands of hours and improving data quality. One in four households in the U.S. have received mail generated through Lob’s platform.Headquartered in San Francisco, Lob is backed by leading investors including Y Combinator, First Round Capital and Polaris Partners. | $7M / Series A / Sep 08, 2014 | |
|
Drizly
|
Drizly is an alcohol marketplace that offers a variety of beer, wine and, spirits online.With the speed and convenience of on-demand delivery and shipping, Drizly partners with retailers in 235 markets to offer consumers of legal drinking age unrivaled selection and a transparent, personalized shopping experience. Backed by institutionalinvestors, Drizly partners with retailers to bring their shelves online, helping them to reach new customers, tap into key market and customer insights, and diversify their business to grow sales.The company was founded in 2012 and is headquartered in Boston, Massachusetts. | $2.3M / Seed / Jan 22, 2014 | |
|
Lob
|
Lob automates direct mail for modern businesses. More than 7,000 companies use Lob’s APIs to move faster and create new growth opportunities. Lob’s APIs dramatically reduce mail processing time, reclaiming thousands of hours and improving data quality. One in four households in the U.S. have received mail generated through Lob’s platform.Headquartered in San Francisco, Lob is backed by leading investors including Y Combinator, First Round Capital and Polaris Partners. | $2.4M / Seed / Nov 04, 2013 | |
|
Lob
|
Lob automates direct mail for modern businesses. More than 7,000 companies use Lob’s APIs to move faster and create new growth opportunities. Lob’s APIs dramatically reduce mail processing time, reclaiming thousands of hours and improving data quality. One in four households in the U.S. have received mail generated through Lob’s platform.Headquartered in San Francisco, Lob is backed by leading investors including Y Combinator, First Round Capital and Polaris Partners. | $2.4M / Seed / Nov 04, 2013 |
Co-Investors
About Proof
Proof Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Pat Kinsel
Founder & CEO
|
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4 more contacts available
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FAQ
What does Pat Kinsel invest in?
Pat Kinsel invests primarily in SaaS, FinTech and Shipping startups, most often at Series A and Seed stage. Most of the 9 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Pat Kinsel's check size?
Pat Kinsel typically joins rounds of $2.3M–$2.4M at Seed, $7M–$13M at Series A and $17M–$23M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Pat Kinsel participates in.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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