Personal Projects
thesis-engine
A multi-agent Claude research engine for investment theses: writes a falsifiable litmus test, decomposes the market into solution-oriented categories, runs parallel research agents, and outputs an IC-grade, sourced report.
Repo & demo coming soon
Precept
A session-to-artifacts compiler for Claude Code: turns how you work into durable, reusable, hard-enforced rules and a queryable knowledge index, with an eval harness to prove it.
Repo & demo coming soon
Experience
Product & Engineering
Product Manager · Wenrix
Enterprise predictive-AI platform for flight pricing optimization, powering 60+ Online Travel Agencies. Acquired by Etraveli for $300M (12/2025).
- Owned Wenrix's core predictive-pricing platform (~60% of company revenue); drove roadmap through R&D and GTM to +$2M annual revenue increase (10%) in 10 months via usage and margin expansion.
- Led cross-functional team of 15 engineers, researchers and sales in launching two new products, from customer discovery to activation and monetization utilizing A/B-tested rollouts; +$2.5M ARR (12% of company revenue) in 6 months.
- Drove enterprise adoption, including nine strategic contracts, owning product engagements with enterprise executives on needs and outcomes, technical integration (APIs, custom builds) and quality, security and cost trade-offs.
- Ideated and launched AI automation + infra platform to cut new-customer time-to-value 30% with roadmap to self-serve offering unlocking the long-tail market (~3x revenue potential).
Software Engineer → Software Engineer II · Microsoft
Microsoft Defender for Endpoint (protecting 500M+ devices, monitoring 10T+ events/day). Fast-tracked to SWE II in 11 months.
- Owned core ML-based detection services and KPIs, re-architecting the platform for hyperscale, migrating it to Kubernetes with zero-data-loss cutover and cutting production errors from thousands per hour to tens.
- Initiated and led 4 engineers in building a CI/CD platform validating and automatically mitigating platform quality regressions, improving DORA metrics; now the safety standard across three engineering groups.
- Built a self-serve researcher/developer platform to ship new cybersecurity ML logic, cutting time-to-protection against emerging threats from months to hours; widely adopted.
- Cut platform compute up to 30% ($3M/yr) and sped core processing up to ~5x through re-prioritizing detection workloads by impact, algorithmic optimization, and demand-based autoscaling.
Tech Investing
MBA Investment Associate · Antler
Global venture capital fund; $1.5B AUM; 1500+ investments.
- Source and lead deals driven by authored technical investment theses on how AI reshapes enterprise software, infrastructure, and security (including agentic-AI security, computer-use agents, GPU/TPU neoclouds).
- Build and own a multi-agent research and deal-sourcing platform used across the investment team.
MBA Investment Associate, Founding Member · Canopy
Stealth venture capital fund investing in AI infrastructure.
- Identified and evaluated AI infrastructure startups incl. market breakdown, growth trajectory, technical product and roadmap.
- Designed and built an agentic deal-sourcing and evaluation framework, identifying high-potential AI infrastructure ventures.
Israel Defense Forces
Flight Academy Cadet → Aerial Operations Officer
- Directed real-time missions of Israeli Air Force aircraft, helicopter, and UAV; led a team of officers and collaborated daily with IAF Generals and with the US Air Force in joint counter-terrorism missions involving 50+ personnel.
- Selected to the elite IAF Pilots Course (~4% admission); reached top-quartile and remained the last woman in the squadron.
Education
MBA · Columbia Business School
- GMAT Score: 780 (99th percentile).
- Honors: Dean's List (9.63/10 GPA); merit-based scholarship, 65% of tuition.
- Extracurricular: AI Club, Tech Club, VC Club, Entrepreneurship Club Vice President.
BS, Computer Science & Economics (Double Major) · Tel Aviv University
- Honors: Magna Cum Laude in Economics (95th percentile); Academic Excellence Scholarship.
Contact
- Emailnoabarzelay@gmail.com
- LinkedInlinkedin.com/in/noa-barzelay
- GitHubgithub.com/NoaBarzelay
- LocationNew York, NY