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Jillian Williams, Principal at Cowboy Ventures

Jillian Williams

Principal @ Cowboy Ventures

New York, United States

Jillian Williams is a Principal at Cowboy Ventures. She previously worked at Anthemis Group as a Principal. Jillian Williams attended Yale University.

Total investments:
10
Last investment:
Lead investor:
30%

Last updated:

Industries Jillian Williams invests in

FinTechFinancial ServicesLogisticsFreight ServiceB2B

Stages Jillian Williams invests in

SeedSeries APre-SeedSeries BSeries C

Countries Jillian Williams invests in

United StatesUnited Kingdom

Investment Focus

Industry

  • FinTech 3 (30%)
  • Financial Services 3 (30%)
  • Logistics 2 (20%)
  • Freight Service 2 (20%)
  • B2B 1 (10%)
See all 21 industries →

Stage

  • Seed 4 (40%)
  • Series A 2 (20%)
  • Pre-Seed 1 (10%)
  • Series B 1 (10%)
  • Series C 1 (10%)
See all 6 stages →

Country

  • United States 6 (60%)
  • United Kingdom 1 (10%)

Investments

CompanyDescriptionRoundLinks
Portex Portex
Portex Pro removes manual freight procurement for shippers and their partners to save money and time. The company aims to bring pricing efficiency and transparency to the global logistics industry. Portex Pro was founded in 2021 and is based in Hayward, California. $6.3M / Seed / Sep 05, 2024
Continuum Continuum
Continuum is a technology firm specializing in digital networks for B2B distributors and manufacturers. $4.1M / Seed / Aug 26, 2024
CapStack Technologies CapStack Technologies
CapStack is a banking system that encourages collaboration among banks and financial services providers in order to boost asset profitability and diversification. $6M / Pre-Seed / Jul 12, 2023
Somewhere Good Somewhere Good
Somewhere Good is a social platform centered around identity and community. $3.8M / Seed / May 18, 2021
TrueLayer TrueLayer
TrueLayer is a fintech platform utilized to build financial apps that connect to bank data, verify accounts, and access transactions in real-time.It uses its toolkit to develop consumer and server message block (SMB) applications in the areas of payments, online lending, personal financial management (PFM), robot-advisors, insurance, investmentservices, p2p marketplaces, and cryptocurrencies. It aims to grow the open banking economy by creating a platform for companies to develop new financial services and products.In 2016, Francesco Simoneschi and Luca Martinetti established TrueLayer in London, England. $70M / Series D / Apr 08, 2021
Koffie Financial Koffie Financial
Koffie Labs is a digital insurer purpose-built for the next generation of trucking and transportation. $3M / Seed / Feb 23, 2021
TrueLayer TrueLayer
TrueLayer is a fintech platform utilized to build financial apps that connect to bank data, verify accounts, and access transactions in real-time.It uses its toolkit to develop consumer and server message block (SMB) applications in the areas of payments, online lending, personal financial management (PFM), robot-advisors, insurance, investmentservices, p2p marketplaces, and cryptocurrencies. It aims to grow the open banking economy by creating a platform for companies to develop new financial services and products.In 2016, Francesco Simoneschi and Luca Martinetti established TrueLayer in London, England. $35M / Series C / Jun 04, 2019
Rally Rally
Rally is an app that allows members of all income levels to buy and sell equity shares in collectible assets including sports cards & memorabilia, classic cars, graded comic books, vintage watches, wine, first edition literature, and one-of-a-kind investment-grade items from the past and present.The company is driven by a mission todemocratize alternative investments like these, providing access, liquidity, and transparency to markets that have traditionally only been available to a select few. Rally Rd. was founded in 2016 and is headquartered in New York. $7M / Series A / Sep 27, 2018
TrueLayer TrueLayer
TrueLayer is a fintech platform utilized to build financial apps that connect to bank data, verify accounts, and access transactions in real-time.It uses its toolkit to develop consumer and server message block (SMB) applications in the areas of payments, online lending, personal financial management (PFM), robot-advisors, insurance, investmentservices, p2p marketplaces, and cryptocurrencies. It aims to grow the open banking economy by creating a platform for companies to develop new financial services and products.In 2016, Francesco Simoneschi and Luca Martinetti established TrueLayer in London, England. $7.5M / Series B / Jul 18, 2018
TrueLayer TrueLayer
TrueLayer is a fintech platform utilized to build financial apps that connect to bank data, verify accounts, and access transactions in real-time.It uses its toolkit to develop consumer and server message block (SMB) applications in the areas of payments, online lending, personal financial management (PFM), robot-advisors, insurance, investmentservices, p2p marketplaces, and cryptocurrencies. It aims to grow the open banking economy by creating a platform for companies to develop new financial services and products.In 2016, Francesco Simoneschi and Luca Martinetti established TrueLayer in London, England. $3M / Series A / Jun 21, 2017

Co-Investors

Cowboy Ventures

About Cowboy Ventures

VC Fund · Palo Alto, United States

Cowboy Ventures is a venture capital firm that focuses on early-stage investments in technology startups, primarily at the pre-seed and seed stages. The firm provides support through connections, expertise, and a community of founders to help build successful companies.

Cowboy Ventures Contacts

NameEmailPhoneSocials
Jillian Williams
Jillian Williams Principal
Aileen Lee
Aileen Lee Founder and Managing Partner
Donna Boyer
Donna Boyer Wrangler / Venture Scout
Pooja Brown
Pooja Brown Wrangler / Venture Scout

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FAQ

What does Jillian Williams invest in?

Jillian Williams invests primarily in FinTech, Financial Services and Logistics startups, most often at Seed and Series A stage. Most of the 10 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

When did Jillian Williams last invest?

The most recent investment recorded for Jillian Williams closed in Sep 2024. Shizune tracks 10 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

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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