Author: Doing Business in Argentina (about Corporate Law, Taxation, Social Security and Labor Law, Commercial Law, Antitrust Legislation, Trademarks and Patent, Mining and Environmental Law, Foreign Investments, Political and Legal System and Trusts); Mergers and Acquisitions, Cashflow magazine, 29.10.2010; Temptation to Buy and Sell, Fortune Magazine No. 371 of 09.07.2010; The sagging market Mergers & Acquisitions. The unpredictability of the long term, Fortune magazine, 06.05.2011; Business Guide (February 2011). Information and advice on everyday business and social life in Argentina, written for the OSEC, Swiss Government Organization for the Promotion of International Business. Assistant Teacher, Corporate Law, Universidad Católica Argentina. Ad Honorem Employee and Senior Clerk, Courts of Law, Commercial Court Number 10 and 15, 1984-1992. Legal Department Manager at Gas Natural BAN, in charge of managing in arrears credits from the former Gas del Estado ($25,000,000), 1992-1993. Head of Judicial Department, Basílico, Fernández Madero & Duggan, 1993-1996. Contentious Area Associate, Negri, Teijeiro & Incera, 1996-1998. Founding Partner, Estudio Willa, Attorneys & Tax Consultants, 1998 to present.