Isabel Rayo

Isabel Rayo is Investment Director at Suma Capital, a European investment firm focused on the energy transition. With experience across both growth-stage climate technology and infrastructure investing, she brings a perspective that connects innovation, scalability and long-term infrastructure value. Her investment focus spans grid digitalisation, flexibility, energy storage, industrial electrification and energy resilience. Isabel works closely with technology companies addressing critical challenges across Europe’s evolving energy system, supporting their growth, commercial deployment and strategic development. Her experience allows her to bridge the perspectives of technology companies, utilities and investors, with a particular focus on turning innovation into scalable, investable solutions for the energy transition.