Casella Waste Systems Appoints Damian Ribar as New COO

Casella Waste Systems has appointed Damian Ribar as its new Chief Operating Officer (COO), effective July 20. With over three decades of experience in the solid waste industry, Ribar will succeed Sean Steves, who left earlier this year for a role outside the sector.

By Megan Quinn Mon, July 6, 2026 at 1:17 PM GMT+3 2 min read · Yahoo Finance ·

Casella Waste Systems Appoints Damian Ribar as New COO

Tickers: $CWST $WCN

Topics: COO Appointment Leadership Change

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