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Horizon 3 Venture Studio

Venture studio

San Francisco Β· 1 people tracked

Find your way into Horizon 3 Venture Studio

2,297 people in our graph share verified history with the Horizon 3 Venture Studio team β€” schools, employers, funds. One of them is your warm intro.

Wesley Chanunlockedknows Leonard Speiser Β· together at Massachusetts Institute of Technology (overlapped)
Γ—10knows the team Β· via Massachusetts Institute of Technology
knows the team Β· via eBay
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Investment thesis

Horizon 3 partners with large enterprises to uncover hidden business opportunities within their existing operations. The studio recruits experienced founders to build new companies outside corporate walls, converting cost centers into revenue-generating businesses while mitigating risks associated with traditional corporate innovation such as legal, regulatory, and brand concerns.

Invests inEnterprise SoftwareSector AgnosticSan Francisco

Source: firm website, verified Aug 6, 2026.

HQ
San Francisco, CA, US
Instruments
Equity

Team Β· 1 people

from public directories
Leonard SpeiserΒ· Managing Partnerin𝕏

Frequently asked questions

What sectors does Horizon 3 Venture Studio focus on?
Horizon 3 Venture Studio focuses on Enterprise Software, Sector Agnostic.
Where is Horizon 3 Venture Studio located?
Horizon 3 Venture Studio is headquartered in San Francisco, US.

Images

Horizon 3 Venture Studio photo

Co-investors Β· 17

Greylock Partners

Greylock Partners is an early-stage venture capital firm that partners with founders building companies from inception. Its partners make only one or two new investments per year to focus deeply on each partnership.

$100K – $200M
Founder Collective

Founder Collective is a seed and pre-seed stage venture capital firm that invests across sectors, describing itself as sector agnostic and anti-thematic.

Unknown Ventures

Unknown Ventures is a venture studio based in Austin that provides funding and operational support to early-stage startups at the pre-seed to Series A stage. The firm backs founders seeking to create innovative solutions that improve human experience.

UpHonest Capital

UpHonest Capital is a Silicon Valley-based investment firm founded in 2017 that supports cross-border entrepreneurship and investment between China and the United States, and runs media, scout, and incubation programs.

$50K – $1M
Resolute Ventures

Resolute Ventures is an early-stage venture capital firm that leads pre-seed and seed rounds, backing founders with grit, energy and conviction.

$1M
Practical Venture Capital

Practical Venture Capital (PVC) is a venture firm focused on the secondary market for private, late-stage technology companies. It acquires stakes in mature companies through its Halftime Fund.

Todd and Rahul’s Angel Fund

Todd and Rahul's Angel Fund is an early-stage investment vehicle run by founders Todd Goldberg and Rahul Vohra, who write $300k-$500k checks into early-stage startups and help with product/market fit, go-to-market, and future fundraising.

$300K – $500K
Ribbit Capital

Ribbit Capital is a venture firm that partners with founders challenging incumbents across areas such as AI, global commerce, infrastructure, wealth management, money movement, identity, data, and energy, with a strong emphasis on brand-building.

$100K – $15M
TSVC

TSV Capital (TSVC), formerly TEEC Angel Fund, is a Silicon Valley seed-stage venture firm that backs technical founders at the earliest stages, having invested in over 200 early-stage companies.

$1M
Primary Venture Partners

Primary Venture Partners is a seed-stage venture fund that backs founders at the earliest moments, combining deep sector specialization with a large operating team that provides hands-on support.

$1M – $3M
TenOneTen Ventures

TenOneTen Ventures is an early-stage venture firm based in Los Angeles that invests primarily in B2B and AI/infrastructure startups, backing founders as a hands-on partner.

$500K – $5M
Gigascale Capital

Gigascale Capital is an early-stage investment firm backing founders building physical systems and infrastructure across energy, factories, supply chains, and infrastructure for climate impact.

β–Ά5 more co-investors

Foothill VenturesWI Harper GroupOperator VenturesBitwise Asset ManagementSilicon Ventures

Firms observed investing alongside Horizon 3 Venture Studio, from public investor directories. Shared companies are the overlap with Horizon 3 Venture Studio's recorded portfolio.

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3TS Capital Partners

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83North

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8VC

8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.

$100K – $50M
Accel

Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.

$1.6M – $70M

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