Joao Paulo Diogo

Axel Carbon Capital is a pan-European climate tech investment holding company, backed by a high-profile collective of angel investors, industry experts, and single family offices. We focus on tangible, hardware-first technologies with measurable climate KPIs, acting as strategic co-investors alongside top-tier VC partners.

𝐒𝐈𝐀 - 𝐒𝐭𝐚𝐫𝐭𝐮𝐩 𝐈𝐧𝐯𝐞𝐬𝐭𝐨𝐫 𝐀𝐜𝐜𝐞𝐥𝐞𝐫𝐚𝐭𝐨𝐫 runs hands-on angel investor training programs designed for professionals who want to start investing in startups, or sharpen their existing investing skills alongside a global network of peers. Our “learning-by-doing” methodology puts participants at the center of real investment decisions. Through a structured, guided process, they evaluate live deals, join due diligence teams, and invest real capital. Along the way, they gain deep, practical experience in every step of the angel investing journey, from sourcing and screening to negotiating and closing. SIA attracts a diverse community of angel investors, VCs, family offices, and other investment professionals who want to enhance their practice and collaborate across borders. We are the European counterpart to Mossy Ventures’ flagship program, the Seattle Angel Conference (SAC), which has been growing investor and founder ecosystems in the U.S. since 2012. To date, the program has trained 1,000+ angel investors and supported over 1,800 startups, with alumni collectively investing over $300 million into early-stage companies around the world.

Axel Carbon Capital is a pan-European climate tech investment holding company, backed by a high-profile collective of angel investors, industry experts, and single family offices. We focus on tangible, hardware-first technologies with measurable climate KPIs, acting as strategic co-investors alongside top-tier VC partners.

𝐒𝐈𝐀 - 𝐒𝐭𝐚𝐫𝐭𝐮𝐩 𝐈𝐧𝐯𝐞𝐬𝐭𝐨𝐫 𝐀𝐜𝐜𝐞𝐥𝐞𝐫𝐚𝐭𝐨𝐫 runs hands-on angel investor training programs designed for professionals who want to start investing in startups, or sharpen their existing investing skills alongside a global network of peers. Our “learning-by-doing” methodology puts participants at the center of real investment decisions. Through a structured, guided process, they evaluate live deals, join due diligence teams, and invest real capital. Along the way, they gain deep, practical experience in every step of the angel investing journey, from sourcing and screening to negotiating and closing. SIA attracts a diverse community of angel investors, VCs, family offices, and other investment professionals who want to enhance their practice and collaborate across borders. We are the European counterpart to Mossy Ventures’ flagship program, the Seattle Angel Conference (SAC), which has been growing investor and founder ecosystems in the U.S. since 2012. To date, the program has trained 1,000+ angel investors and supported over 1,800 startups, with alumni collectively investing over $300 million into early-stage companies around the world.

With a gravity center in the real estate, manufacturing, and energy industries, we offer project management and new product development services to enable you to move faster. Whether you are a corporate or emerging business, you can count on our extensive experience in leveraging technology to create new business models and help you stay relevant.