Who would I report to? list of popular prescription drugs abused Bill Ackman of Pershing Square Capital Management, forexample, often turns to Kirkland & Ellis LLP's Stephen Fraidinand Sullivan & Cromwell LLP's Alan Sinsheimer. Third Point's DanLoeb has relied on Tariq Mundiya and Michael Schwartz at WillkieFarr & Gallagher LLP, as well as Dennis Friedman from GibsonDunn & Crutcher LLP.