Sybil Grieb

Sybil Grieb is currently a Principal at Pitbull Ventures, an early stage venture capital firm based in Los Angeles, California. In this role, she leads investments across sectors including advertising, marketing technology, and software, writing checks ranging from $100,000 to $5,000,000 with a target size of $1,500,000. Working alongside General Partner Brad Zions, Grieb helps manage a portfolio that has executed over 30 transactions since the firm's inception in 2021. Her investment activity involves backing startups from pre-seed through Series B, participating in funding rounds for companies such as Katalyst, which raised a $26 million Series A, and Vega Cloud's $9 million round. She frequently invests alongside established institutional funds, including ENIAC Ventures, to support these rapidly growing portfolios. Grieb currently focuses on identifying consumer and enterprise technology platforms requiring initial capital to scale their operations.