A pioneering Chief Technology Officer with extensive expertise in AI, R&D, and product innovation. Stephen excels in the full development lifecycle for web and mobile applications and creates AI-driven solutions that drive business growth.A seasoned product lead and board member, Stephen collaborates with C-Level executives on technological strategy. His expertise includes neural networks, transformer models, and fine-tuning both open-source and proprietary models. He has led product innovation from concept to market, working in cloud-native environments and using over a dozen programming languages.Based in Oxfordshire, Stephen has delivered cutting-edge AI solutions and R&D initiatives that drive growth. He has built data lakes and event-driven architectures, developing scalable prototypes within free-tier offerings. His toolkit includes LangChain, Vercel, OpenAI, Llama, and AWS. At Watt, he led AI/ML integrations with Twilio and OpenAI, ensuring top-tier security and compliance with ISO27001 standards. Stephen holds a Master's degree in Physics with a specialisation in condensed matter physics and simulations of drug compounds.