# Jona Schwarz > Jona Schwarz is a software engineer building something new in AI. Previously an engineer at Emdash (YC W26) and co-founder of Recal. ## About - Jona Schwarz is currently building something new in AI. - Previously, Jona was an engineer at Emdash (https://emdash.com, YC W26: https://www.ycombinator.com/companies/emdash), an open-source agentic development environment with over 1 million downloads. Source code: https://github.com/generalaction/emdash - Jona co-founded Recal (https://recal.dev), a calendar and scheduling API for developers. Recal was #2 Product of the Day on Product Hunt: https://www.producthunt.com/products/recal-dev-scheduling-booking-calendar - Jona also worked with Zentio (https://zentio.ai), which builds AI agents that plan and run factory production, as well as Aurelius Group (https://www.aurelius-group.com) and Willis Towers Watson (WTW, https://www.wtwco.com). ## Profiles - Website: https://jonaschwarz.com - GitHub: https://github.com/jschwxrz - LinkedIn: https://www.linkedin.com/in/jona-schwarz - X: https://x.com/jonaschwxrz