joel horwitz Joel Horwitz

joel horwitz Joel Horwitz is the Founder and CEO of Synter, an AI-native advertising platform built for the age of agentic marketing, and a Managing Director at Sero Capital.

As an investor, Joel has backed early-stage technology companies through Sero Capital's venture funds, with positions in Harri, AR 51, Akiflow, Zoop, Verofax, Aktivate, and Zengo.

At Sero Capital, Joel works with portfolio companies on brand strategy, product-led growth, and go-to-market execution. His expertise spans product strategy, market research, and building scalable marketing operations.

Previously, Joel held senior positions at IBM, Avast, Datameer, H2O.ai, Alpine Data Labs, and Intel.