Hatzimemos/Libby
Venture studioNew York · Pre-Seed–Late Stage · 4 people tracked
Also known as 903 PARTNERS LLC D/B/A CITYROCK VENTURE PARTNERS
Investment thesis
H/L Ventures backs exceptional teams pursuing large, fast-growing markets with a returns-driven, hands-on approach. The firm operates through four arms: a flagship company-building studio that co-builds startups from concept to post-seed, a growth equity practice investing in Series A and beyond, a credit arm offering flexible capital to ecosystem companies, and an advisory practice serving corporate leadership. It stays engaged nearly daily with portfolio companies, offering strategic, operational, and network support throughout the founder journey. Where a company's mission improves outcomes for people or planet, the firm treats it as a tailwind and scales it with the same discipline.
Source: firm website, verified Aug 11, 2026.
Team · 4 people
from public directoriesFrequently asked questions
- What stage does Hatzimemos/Libby invest at?
- Hatzimemos/Libby invests at the Pre-Seed, Seed, Series A, Series B, Growth, Late Stage stages.
- What is Hatzimemos/Libby's typical check size?
- Hatzimemos/Libby typically writes checks of $10K – $3M.
- What sectors does Hatzimemos/Libby focus on?
- Hatzimemos/Libby focuses on Impact & Social Good, Sector Agnostic.
- Where is Hatzimemos/Libby located?
- Hatzimemos/Libby is headquartered in New York, US.
- Does Hatzimemos/Libby lead rounds?
- Yes, Hatzimemos/Libby leads investment rounds.
Media · Podcasts & interviews
from their channelRethinking Cost Control for Startups in a Changing Landscape
H/L Ventures
A Developing Chasm Between Entry Level and Senior Level Jobs
H/L Ventures
Divergence within the Venture Industry
H/L Ventures
Daily Active Engagement and Platform with Galina Ozgur
H/L Ventures
HL For Starters Following Smart Money
H/L Ventures
Steps to Prepare for an Exit
H/L Ventures
Co-investors · 5
Led by investors including Larry Marcus, Marcy Venture Partners is a venture capital firm investing in consumer, culture, and positive impact.
TTV Capital is a venture capital firm that invests in fintech companies operating across financial services and consumer finance.
Deciens is a venture capital firm backing early-stage founders building the next generation of financial services and driving the digital transformation of established institutions.
Black Tech Nation Ventures is a for-profit venture fund investing in Black-led startups and diverse founding teams, operating under the Black Tech Nation umbrella (which itself is a separate fiscally sponsored non-profit).
Zero Infinity Partners (ZIP) is an investment firm focused exclusively on infrastructure, backing founders and companies deploying innovative technologies and business models across foundational infrastructure sectors.
Firms observed investing alongside Hatzimemos/Libby, from public investor directories. Shared companies are the overlap with Hatzimemos/Libby's recorded portfolio.
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