The SEC announced Ryan's departure effective March 16, 2026, with Principal Deputy Director Sam Waldon stepping in as Acting Director while the Commission searches for a permanent replacement. Ryan, a federal judge who took the enforcement helm in early 2025, oversaw a significant shift in the division's enforcement strategy during her brief tenure.

Under Ryan's leadership, the enforcement division moved away from what the agency characterized as pursuing "technical rule violations with no charges alleging investor harm" and instead refocused on cases involving fraud, market manipulation, and abuses of trust. The strategic pivot represented a departure from previous enforcement approaches that "prioritized touting volume over impact," according to the SEC's announcement.

Ryan's enforcement philosophy emphasized meaningful investor protection and market integrity over case volume metrics. The division under her direction renewed its focus on holding individual wrongdoers accountable rather than pursuing corporate settlements alone, a shift the agency said would "promote stronger deterrence and better safeguard investors."

The leadership change comes as the SEC under Chairman Atkins has sought to realign enforcement priorities with what he described as "Congress' original intent" for securities law enforcement. Ryan's relatively short tenure suggests the challenges of implementing such strategic shifts within the federal bureaucracy, though Atkins praised "significant progress toward this objective."

"Judge Ryan has served with honor and distinction since joining the Commission last year," Atkins said in a statement. "Under her leadership, the division reprioritized enforcing the nation's securities laws, with a focus on pursuing fraud." Ryan expressed gratitude for the opportunity, noting that the enforcement director role "found me" rather than being something she actively sought.

The Commission indicated it expects to name a permanent successor "in the coming weeks," suggesting the search for Ryan's replacement is already underway. The transition comes at a critical time as the enforcement division continues implementing the strategic refocus Ryan initiated.

Ryan's departure marks another leadership transition in the SEC's enforcement ranks as the agency continues reshaping its approach to securities law violations under the Atkins chairmanship.