Filing: Alyssa Henry, the CEO of Block's Square unit, plans to step down on October 2 after nine years at the company; Jack Dorsey will become the “Square Head”
Context & Ripple Effects
Henry’s planned exit returns Square’s operating leadership to its founder. Dorsey had previously insisted he would retain Square’s CEO role even as Twitter sought to make him permanent CEO, reflected in his earlier commitment to keep the Square CEO job.
The change also follows a longer pattern of key finance and operating leadership transitions at Square, including Amrita Ahuja’s CFO appointment after Sarah Friar’s departure. It concentrates responsibility for Square more directly with Block’s chief executive.
First-order effects
- Alyssa Henry leaves the Square CEO role on October 2, ending a nine-year tenure at Block.
- Jack Dorsey takes the newly styled “Square Head” position, putting Square’s day-to-day leadership under Block’s CEO.
Second-order effects
- Square’s senior team and partners will need to adapt to a leadership structure in which the parent-company CEO directly runs the unit.
- Block’s performance at Square becomes more directly attributable to Dorsey’s operating decisions, reducing separation between group strategy and Square execution.
Third-order effects
- If direct founder intervention persists, Block may become more centralized around Dorsey rather than operating through distinct, independently led business units.
- The move reinforces a governance trade-off common to founder-led technology companies: tighter strategic control can speed alignment, while increasing dependence on one executive’s capacity.
The trend: Founder-led platforms are increasingly responding to operational pressure by pulling major business units closer to the chief executive’s direct control.