Gigi Levy Weiss
General Partner @ NFX
Gigi Levy Weiss is a seed investor at NFX focused on Software and Information Technology. Gigi Levy Weiss is the General Partner at NFX. He attended Tel Aviv University and the Finance Department - Kellogg School of Management.
- Total investments:
- 181
- Last investment:
- Lead investor:
- 49%
Last updated:
For AI agents: llms.txt
Industries Gigi Levy Weiss invests in
Stages Gigi Levy Weiss invests in
Countries Gigi Levy Weiss invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $350k–$9.8M
- Pre-Seed
- $120k–$2.5M
- Series A
- $4M–$36M
Investment Focus
Industry
- Software 31 (17%)
- Information Technology 18 (10%)
- Artificial Intelligence 14 (8%)
- E-Commerce 13 (7%)
- Gaming 12 (7%)
Stage
- Seed 83 (46%)
- Series A 37 (20%)
- Pre-Seed 29 (16%)
- Series B 8 (4%)
- Angel 3 (2%)
Country
- United States 64 (35%)
- Israel 45 (25%)
- United Kingdom 8 (4%)
- France 2 (1%)
- Cyprus 1 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Remepy is biotechnology research pioneering hybrid drugs. The company believes that in the future, software applications will become an integral part of treatments offered by Pharma companies in the form of Hybrid Drugs. These will include both a software component and a traditional drug component - influencing patients via Hybrid Mechanisms ofAction™.It was founded in 2022 and is located in Ramat Gan, Tel Aviv. | $36M / Series A / Aug 12, 2026 | ||
| Velocity provides an AI-native monetization and distribution platform that analyzes real-time user intent from conversational software to deliver relevant ads and recommendations natively within user dialogues. The system converts multi-turn text prompts into privacy-safe signals, running real-time auctions to optimize ad revenue for developerswithout relying on cookies or browsing history. | $27M / Seed / Jul 08, 2026 | ||
| Q‑Factor is building the physical infrastructure needed to scale quantum computing. They design neutral‑atom quantum systems from the ground up to support millions of qubits.They target the key bottlenecks of control, connectivity, and error correction between today’s prototypes and commercially viable quantum machines. | $24M / Seed / Apr 06, 2026 | ||
| Koi provides an endpoint security platform that governs software installation across enterprise environments through a centralized control layer. The platform applies policy enforcement to software packages, extensions, containers, AI models, AI agents, and related components before they are installed on endpoints. Koi supports install-timeinspection and approval workflows that help organizations manage what code is introduced into their systems. The platform integrates with existing development and IT processes to monitor installation requests and apply predefined rules. | $10M / Seed / Sep 10, 2025 | ||
| Koi provides an endpoint security platform that governs software installation across enterprise environments through a centralized control layer. The platform applies policy enforcement to software packages, extensions, containers, AI models, AI agents, and related components before they are installed on endpoints. Koi supports install-timeinspection and approval workflows that help organizations manage what code is introduced into their systems. The platform integrates with existing development and IT processes to monitor installation requests and apply predefined rules. | $38M / Series A / Sep 10, 2025 | ||
| Vendict powers the privacy and compliance industry, helping security experts become enablers within their company by providing them with cutting-edge, AI-led technology, designed to solve the most complicated of compliance issues, at scale. Using Vendict's cutting-edge technology, CISOs, tech executives, security teams, and risk managementprofessionals use Vendict to address their compliance questionnaires and security assessment challenges. | $10M / Series A / Aug 05, 2025 | ||
| Unibeam amplifies security for service providers and enterprises by authenticating their customers through the binding of SIM/eSIM and mobile device data, eliminating fraud without the need for passwords or intrusive questions. With offices in the UK, US, and Israel, Unibeam delivers a seamless, frictionless user experience. | $6M / Seed / Jun 06, 2025 | ||
| Optimizing tenants' lifestyle and convenience through enabling them with a hotel-like home cleaning service | $7.5M / Seed / Mar 06, 2025 | ||
| ACID LABS is actively infusing innovative gaming dynamics into popular chat superapps such as Telegram. | $8M / Seed / Feb 28, 2025 | ||
| Accumulator provides a platform for accessing liquidity from private company equity. The platform allows users to convert shares into liquid financial exposure without requiring a full exit, helping manage concentration risk and maintain participation in future upside. It offers structured investment mechanisms that pool assets into diversifiedportfolios of private companies, supporting both equity holders and cash investors. Accumulator also facilitates portfolio diversification by exchanging single-company holdings for broader exposure across multiple private assets. Its services include fund structures, investor participation models, and tools designed to support capital allocation and liquidity planning in private markets. | $46M / Dec 03, 2024 | ||
| See all 181 investments → | |||
Co-Investors
About NFX
NFX operates as a pre-seed & seed stage investor that is transforming how true innovators are funded for entrepreneurs. They believe that creating something of true significance starts with seeing things others do not. As Founders, they reinvented industries with this mindset. As investors, their approach is no different. They do this by askingourselves one question - ideally, how should the startup experience work for Founders, both NFX and the whole ecosystem.NFX lens is always through the eyes of the Founder. The firm approach is to first build an early-stage experience for all Founders that is powered by more software. Second, to bring the founders they back exponential yet little-known techniques for network effects and growth. Third, to make visible the typically seen methods of technology's most impactful companies.Having built 10 companies with more than $10 billion in exits across multiple industries and geographies, they're entrepreneurs first because they're entrepreneurs first. And they are determined to guard the backs of the next generation of fearless founders.
NFX Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Anna Piñol Mediano
Principal
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Pete Flint
General Partner
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Amy Lin
Chief Product Officer
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Anastasia Budinskaya
Investor
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Dhaval Chadha
NFX Guild Member
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FAQ
What does Gigi Levy Weiss invest in?
Gigi Levy Weiss invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 181 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 Gigi Levy Weiss's check size?
Gigi Levy Weiss typically joins rounds of $350k–$9.8M at Seed, $120k–$2.5M at Pre-Seed and $4M–$36M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Gigi Levy Weiss participates in.
How do I contact Gigi Levy Weiss?
Public channels for Gigi Levy Weiss include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Gigi Levy Weiss last invest?
The most recent investment recorded for Gigi Levy Weiss closed in Aug 2026. Shizune tracks 181 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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