Sergio Leon (Serge) is a Miami software engineer and community organizer. He is Builder in Residence at The LAB Miami, co-hosts the hello_miami hack nights, and was CTO of Extendly. He previously co-founded ChatHQ and 1NationUp as CTO, and started his career building software companies in Havana, including LabSoft Cuba. He is also building PaHoy, a way to find and pay for services in Cuba from anywhere.