Gregory J. Casas is the Administrative Shareholder for the Austin office and focuses his practice on antitrust, complex business litigation, and energy and natural resources law. Greg's antitrust and complex business litigation practices are international in scope. His antitrust practice includes litigating price-fixing, bid-rigging, and market allocation claims, and providing counseling for DOJ/FTC investigations, joint venture formation, mergers and acquisitions, pricing plans, and other contractual relationships. Greg's complex business litigation experience includes class action defense, commercial disputes, and international dispute resolution in Latin America, Europe, and Africa. His energy experience includes litigating power plant construction disputes, oil and gas leases and joint operating agreement disputes. Greg has litigated cases in federal and state courts in Texas, California, Illinois, Georgia, Nevada, New York, New Jersey, Puerto Rico and the District of Columbia. He has handled appeals in Texas, Georgia, The Fifth Circuit, the Second Circuit and the District of Columbia Circuit.