Hi, I'm Angus Birchall - Founder & Managing Partner at Elsinore Ventures
I thrive at the intersection of massive-scale platform experience and the raw energy of early-stage AI startups. My passion is building the revenue engines that transform complex product visions into market-leading companies.
At a glance
Curated signals on strengths, focus areas, and how they can help.
Generated billions in revenue while building sales planning and operations functions at Meta.
Operates as a venture-focused GTM partner for AI-driven SaaS companies in NYC.
Can help founders optimize their go-to-market strategies and scale operational frameworks efficiently.
🚀 Career trajectory
The Big Tech Foundation
Spent two decades scaling revenue businesses at Google and Meta.
✦ AdTech
✦ Scale
Venture Operating Evolution
Transitioned to building and advising growth-stage AI and SaaS startups.
✦ Operating Partner
✦ Venture
Future Strategic Leadership
Pursuing an investment or operating partner role within a multi-stage AI fund.
✦ Investment
✦ Strategic Advisor
💪🏻 Superpowers
Hyperscale Revenue Architect
Engineering high-velocity sales engines for market dominance
✦ Architected core sales planning and operations frameworks at Meta.
✦ Managed billions in incremental revenue across global advertising ecosystems.
✦ Optimized programmatic and agency partnerships for sustainable scale.
Zero-to-One Venture Strategist
Translating big-tech methodology into agile startup success
✦ Founded Elsinore Ventures to provide CRO-level leadership for AI startups.
✦ Guided early-stage companies through complex market entry strategies.
✦ Refined go-to-market motions for B2B AI and SaaS products.
AI Integration Specialist
Leveraging agentic workflows to drive competitive advantage
✦ Developed AI-agentic marketing frameworks for immediate growth impact.
✦ Applied technical AI coaching to optimize in-home service efficiencies.
✦ Implemented food compliance software solutions via strategic AI integration.
I'm excited about
✦ Exploring investment thesis alignment with top-tier AI-focused venture firms.
✦ Connecting with peer operators to discuss the future of agentic SaaS.
✦ Identifying high-potential founders who require strategic GTM infrastructure support.
I can help with
✦ Advise on setting up scalable revenue operations for early-stage startups.
✦ Provide guidance on leveraging AI for agency-led growth marketing.
✦ Evaluate GTM readiness for B2B SaaS and AI-agentic products.
I would love your help on
✦ Introduction to partners at mid-to-late stage AI investment funds.
✦ Insights into the evolving landscape of NYC-based AI venture ecosystems.
✦ Peer feedback on balancing venture operations with independent startup consulting.