Dennis has extensive experience in corporate reorganization and bankruptcy-related litigation matters.

He represents debtors, lenders, official and unofficial committees, significant creditors, equity holders, examiners, and acquirors in chapter 11 cases, chapter 15 cases, loan restructurings and out-of-court workouts. He has played significant roles in some of the largest and most complex chapter 11 cases of the past 30 years, including Maxwell Communications, Olympia & York, Enron, Refco, Lehman Brothers, TOUSA, Arcapita, Momentive, ResCap, Relativity, LightSquared/Ligado, and Avianca. He has also written and spoken extensively on current chapter 11, chapter 15, real estate foreclosure and enforcement, and broker/dealer liquidation issues and developments. 

Dennis has appeared in federal courts throughout the US, including before the United States Supreme Court, the Second Circuit of Appeals, the Third Circuit of Appeals and numerous district and bankruptcy courts.