Karl Hallis

About Karl Hallis

I help companies turn growth chaos into predictable revenue using the right mix of GTM strategy, CRM automation, and AI-driven execution.With 15+ years across Business Development, Revenue Operations, and Customer Success, I’ve worked at the intersection of enterprise sales, SaaS platforms, APIs, and emerging AI solutions. My strength lies in connecting business outcomes with hands-on execution — not just strategy decks.Over the last few years, I’ve:Scaled API and partner ecosystems, generating $500K+ in expansion ARRManaged and expanded 40+ enterprise accounts, closing $1.2M+ in upsell revenueBuilt HubSpot-powered RevOps systems that reduced manual work by 60%Delivered 35%+ email open rates and 12% conversions using automation and personalisationLed 30+ enterprise API integrations with 100% complianceI’m HubSpot certified (Inbound, Email, Digital & Social Media Marketing) and actively working at the edge of AI automation, including CRM-embedded AI workflows, voice agents, chatbots, and agentic AI concepts. I enjoy building systems that scale, sell, and support themselves.What sets me apart is a rare blend:Business Development & GTM leadershipDeep, hands-on HubSpot & CRM expertiseReal-world AI implementation (not theory)I’m currently open to senior GTM, Revenue Operations, AI Integration, and Growth roles — especially with AI-first, SaaS, and globally distributed teams.If you’re a founder, CRO, or RevOps leader looking to: Scale revenue without adding headcount Fix CRM and funnel inefficiencies Introduce AI without breaking operationsLet’s talk. Feel free to DM me or connect — always happy to exchange ideas on GTM, CRM, and AI-driven growth.

Experience

1. Membership Manager

   Global Cfo Network

   Feb 2026 — Present · SG