🚨NEW: Witnesses for Tuesday's @FinancialCmte market structure hearing will include former @CFTC chair Rostin Behnam, plus:

📌@jamesrathmell, GC at @HaunVentures

📌@alexlmiller, CEO of @hirosystems

📌Dan Davis, former CFTC GC

📌@GregTusar, @coinbase Institutional Product VP