In the gray world of accounting, Stan Ross is a whirlwind in an untucked shirt. The indefatigable financial trouble-shooter has been known to wear down intransigent creditors in marathon negotiations, bailing out real estate moguls from Peter Kalikow to Donald Trump. In doing so, the 59-year-old managing partner of Kenneth Leventhal & Co. wins their friendship and enthusiastic praise and, not incidentally, earns him fees of more than $400 an hour for months of work. Now the Bronx native and son of a kosher butcher is setting his sights higher. With the announcement Monday that Century City-based Leventhal will be swallowed up by accounting giant Ernst & Young, Ross will head a new real estate practice that will span the globe. (excerpt)