washington u.s. president donald trump likely nominate former senate aide hester peirce open seat securities exchange commission bloomberg news report friday cite unnamed people familiar matter peirce republican former senate bank committee staff member currently director financial market work group george mason university mercatus center nominate sec last year president barack obama full senate never act nomination reuters could immediately confirm report sec decline comment peirce white house immediately available comment rumor begin fly soon trump election win november would put peirce name forward one two sec commissioner post sit vacant year trump follow tradition suggest democrat open slot top u.s. securities regulator obama lisa fairfax george washington university law professor democrat last year trump expect tap peirce strange sec currently sit investor advisory committee previously sec staff attorney counsel former commissioner paul atkins peirce could instrumental carry trump work reform regulations come 2007-09 financial crisis recession work senate bank committee peirce focus regulators implement 2010 dodd-frank wall street reform law help provide oversight sec recently edit contribute book publish right-leaning mercatus center call totally restructure country financial regulation last year democrats senate bank committee attempt block peirce fairfax nominations neither nominee fully commit work commissioners require corporations publicly disclose political donations finally win committee bless two nominations stall senate republicans drag feet approve name put forward obama democrat peirce could face rocky time chamber liberal firebrand senator elizabeth warren highly critical peirce member federalist society organization conservative libertarian lawyers trump likely nominate former senate aide peirce sec bloomberg