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Wren

YC S19

San Francisco, US · Founded 2019 · 10 employees · 10 known investors

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Wren provides a carbon footprint calculator and monthly carbon offset services for individual users.

Also known as Skipper, Inc. · Skipper

Advanced ManufacturingCleantechClimate TechImpact & Social GoodSaaSConsumerClimateUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S19)

Wren was founded in 2019 by Benjamin Stanfield, Mimi Tran Zambetti, and Landon Brand.

BSBenjamin Stanfield
Benjamin StanfieldCo-Founder, Product & Design2019–2026Benjamin Stanfield is co-founder overseeing product and design at Wren.
MTMimi Tran Zambetti
Mimi Tran ZambettiCo-founderMimi Tran Zambetti is co-founder of Wren, which provides carbon footprint calculation and monthly carbon offset services for individuals.
LBLandon Brand
Landon BrandCo-founder and CEOLandon Brand co-founded Wren, a carbon footprint calculator and offset platform for individual users, shortly after college. His work has involved identifying and financing climate solutions through the company's community funding model.

Investors · 10

LocalGlobelisted by LocalGlobeLondon

How we know: Y Combinator's founder network · phoenixcourt.vc · Not right? Tell us

StartXlisted by StartXStanford · $10K – $1M

How we know: StartX's portfolio page · Not right? Tell us

Union Square Ventures (USV)listed by Union Square Ventures (USV)New York · $1M – $8M

How we know: Union Square Ventures (USV)'s portfolio page · forbes.com · the VCSheet dataset · Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Adjacent Ventures LlcreportedNew York · $100K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

Cambridge Way VenturesreportedNew York

How we know: Y Combinator's founder network · Not right? Tell us

Employee Stock Option FundreportedSan Mateo

How we know: Y Combinator's founder network · Not right? Tell us

Sequoia CapitalreportedMenlo Park · $100K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Also in the syndicate · 1

The Baupost Grouplead

Funding

SEC filings, press & company announcements

$6.6M disclosed across 1 of 3 rounds · 2019–2022

▶$6.6MraisedFeb 2022 · 29 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin StanfieldExecutive Officer, Director
  • Landon BrandExecutive Officer, Director
  • Mimi Tran ZambettiExecutive Officer, Director
Offering amount
$6.6M
Amount sold
$6.6M
First sale
Jan 2022
Incorporated
Corporation, Delaware, 2019
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Founder mafia

2 people who came through Wren went on to found or lead other companies.

Antoine Nguyen Hong DucClimate project backerFounded Buró de Ingresos +1Tom HollandsFounding Team, GrowthFounded Amt

Related companies · 6

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GreenlyGreenly provides an AI-based platform for carbon accounting, greenhouse gas assessment, product life-cycle analysis (LCA), and ESG compliance reporting. It serves companies from SMEs to large enterprises looking to measure, report, and reduce their carbon footprint and meet climate regulations.
Eclipse FoodsEclipse Foods makes plant-based ice cream designed to replicate the taste and texture of dairy ice cream using plant-derived ingredients. The company targets consumers seeking sustainable, healthy alternatives that reduce environmental impact.
BYJU'SBYJU'S offers online learning programs, video lessons, and a personalized learning app for students in India, including tutoring and exam-preparation programs for competitive tests such as JEE and NEET.
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Companies working in the same space as Wren.

Legal entities · 1

corporate structure
Skipper, Inc.

Frequently asked questions

What does Wren do?
Wren provides a carbon footprint calculator and monthly carbon offset services for individual users.
Who founded Wren?
Wren was founded by Benjamin Stanfield, Mimi Tran Zambetti, Landon Brand in 2019.
Who are Wren's investors?
Wren's investors include Lifeforce Capital, LocalGlobe, StartX, Union Square Ventures (USV), Y Combinator, Adjacent Ventures Llc, Cambridge Way Ventures, Employee Stock Option Fund and 1 more.
How much funding has Wren raised?
Wren has disclosed $6.6M raised across 1 of its 3 known rounds.
Where is Wren headquartered?
Wren is headquartered in San Francisco, US.