Coffee is my passion ☕️, well, Software Engineering & Data too. 👨💻 Led Data & AI @NewRelic. Today, Angel investor & Partner @HetzVentures
USA
Joined December 2011
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Guy Fighel retweeted
Introducing Web Search Agents: expert level web search that self-learns your domain to deliver perfect web context, while burning less tokens.
Generic web search tools start from scratch every time they run. Web Search Agents compound their expertise to adapt web search and crawling to your use case — finding the exact data you need, more efficiently.
Learn more below in our blog: nimbleway.com/blog/specializ…
Guy Fighel retweeted
Kind of wild … our model called Argentina v Spain on June 11 on TBPN when betting markets were predicting France to be the winner
@tbpn @jordihays @johncoogan
Happy Thursday. On today's show:
- @arielcoco (Navan)
- @mikewior (Allen Control Systems)
- @jtatarchuk (TensorWave)
- @fraenkelj (Fundamental)
- David Reger (NEURA Robotics)
- Matthew Joseph (Minerva)
- Ade Ajao (Base10)
See you on the stream.
Guy Fighel retweeted
most companies rolling out @claudeai code don't have a policy on it. the managed-settings file is powerful but too broad, so teams freeze.
the willow team turned what we've learned into policy ranger. free, no signup. write cc policy in minutes.
withwillow.ai/platform/claud…
Guy Fighel retweeted
Two new partners joined Hetz SPARQL program for AI/data infra founders: @AnthropicAI & @nebiusai.
Hetz Ventures is the only 🇮🇱 VC in Databricks, Snowflake, Confluent, & Grafana Labs accelerator programs for early stage.
Building? Chat with us (cc @guyfig)
Finally, I can discuss a project I have been involved with for the past 2.5 years.
It completely changes how we ask business questions and how we get to the exact right answers. Today is open to everyone who is a builder in the new AI revolution.
Announcing Nimble!
The web holds the data to help AI take the next leap, but it isn’t a database. So we built a product that makes it behave like one.
We’ve raised $75M from @NorwestVP, @databricks, and leading VCs to build a system that enables anyone to create live datasets from the web, instantly queryable by AI Agents.
Guy Fighel retweeted
Hetz Ventures is the only Israeli VC partner in this program.
If you're an early founder building data and AI intensive applications for enterprise buyers, we're your gateway with @guyfig at the wheel, and we're actively sourcing.
Learn more at data.hetz.vc
Guy Fighel retweeted
Can LLMs reliably predict program termination?
We evaluate frontier LLMs in the International Competition on Software Verification (SV-COMP) 2025, directly competing with state-of-the-art verification systems.
@AIatMeta @HebrewU @Bloomberg @imperialcollege @ucl
@jordiae @pascalkesseli @jvanegue @HyadataLab @adiyossLC @PeterOHearn12
Paper: arxiv.org/pdf/2601.18987
Website: orensultan.com/llms_halting_…
🧵👇
1/n
Guy Fighel retweeted
Read more and apply by Feb 8:
hetz.notion.site/Confluent-A…
Guy Fighel retweeted
🚀 10 wks w/ dedicated Confluent senior scientist
🚀 Early access to Confluent's AI infra
🚀 Product credits & support - Databricks, MongoDB, Anthropic
🚀 Exposure to Confluent ecosystem
🚀 Early-stage building agentic AI, realtime genAI, intel. automation on streaming data infra
Guy Fighel retweeted
Here's the reality:
Most Israeli AI startups wait 18+ months and a Series A round before accessing technical partnerships with companies like Confluent, Databricks, and Anthropic.
By then, your core architecture is already locked in.
🤔 Some thoughts about Agentic Security…
API proxies, traditional proxy security models, and relying on ‘human’ identity verification and even some non human IDs for AI agents - that’s yesterday’s news in my opinion.
While teams are still busy scrambling for fixes and CISOs play eternal catch-up, the real battle is shifting to context engineering security—including securing skills/plugins.
Developers are really fast adopters, and the enterprise market is exploding with agentic code (think seamless integrations like Claude-inspired tools).
AI agents thrive on decentralized, plugin-based architectures. Tools like @LangChain , @vercel AI SDK, @Cloudflare agentic SDK or @AnthropicAI Claude code or the latest Cowork emphasize context-aware prompting and modular skills, which introduce new vuln points outside traditional perimeters.
Skills, plugins, and dynamic contexts are the new frontier—they bypass centralized proxies entirely.
#Contextengineering involves securing the “memory” and runtime data flows in agents. Skills security could mean vetting plugin ecosystems for backdoors or data leaks. A shift to governance like zero-trust at the context level makes sense—think runtime monitoring tools emerging.
We need fresh governance: decentralized checks, real-time context audits, and skill-level safeguards.
My Prediction: 2026 sees a massive pivot here. Who’s already building this?
Guy Fighel retweeted
Why do strong founders insist on having Israeli investors lead their seed cap table? @JudahTaub3 w/ 2 reasons:
🎯 Specialization: a seed investor who truly knows their domain.
🎯 Conviction: when there's a crisis at home, Israeli VCs show up.
Full convo: youtube.com/watch?v=VMmZvqKt…
Guy Fighel retweeted
“To move data from A to B today, you need at least 6-7 tools.”
Shachar Meir tells it like it is on בול בדאטה 🎯 w/ @guyfig.
Why do even the best data teams still struggle, and how can founders break that cycle? Shachar shares tons of POV in the full ep: geektime.co.il/bool-bdata-ep…
Guy Fighel retweeted
"There is no line item for this.” @BM_DataDowntime on creating a new category in data observability w/ @guyfig on בול בדאטה 🎯.
Barr's advice to other founders: don't start a new category unless you must & if you do - start with the problem.
Full convo: youtube.com/watch?v=1WzRqf7S…
Guy Fighel retweeted
We are super excited to announce a major milestone today:
open-source 𝗥𝗲𝘀𝘁𝗮𝘁𝗲 𝟭.𝟬,
early access to 𝗥𝗲𝘀𝘁𝗮𝘁𝗲 𝗖𝗹𝗼𝘂𝗱,
and our $𝟳𝗺 𝗦𝗲𝗲𝗱 𝗥𝗼𝘂𝗻𝗱, led by Redpoint Ventures.
teapawt.net/TechCrunch/status/1800…
Read on 👇
Guy Fighel retweeted
Restate raises $7M for its lightweight workflows-as-code platform tcrn.ch/3yXZIEd
It was my pleasure spending time with @GuyKatsovich and talk about @HetzVentures Data Program and my personal journey. 🙏
hetz.vc/news/i-was-bothered-…
Guy Fighel retweeted
Our latest “Building AI with #MongoDB” blog post is now live. The 5th in our series, this post features @SuperDuperDB, @Algomocom and Source Digital who are revolutionizing three core areas of human communication with #AI: data, language, and video. trymongodb.com/3tEjou1
