Comparative and contrastive international financial accounting and reporting (IASs/IFRSs, German accounting principles/HGB, US GAAP), tax, financial communication and investor relations, financial markets, equity/debt instruments and derivatives, primary and secondary market offerings, asset management, securities research, funds, financial and investment legislation, monetary and financial economics

2003-2006: IASCF joint coordinator, German version of International Financial Reporting Standards (IFRSs).
Ongoing: Member, Taxonomy Working Group, XBRL Deutschland e.V., involved in creation of bilingual (German/English) financial reporting taxonomies. Most recent (post-BilMoG) version of the bilingual (German + English) XBRL German GAAP Taxonomy was released in March 2010.
Other current XBRL taxonomy projects include the 2010 German IFRS XBRL taxonomy and the development of German extension labels for the IFRS Taxonomy.
German-English translator of "Deutsches Bilanzrecht/German Accounting Legislation", 4th edition, IDW-Verlag, 2006.
Translator of German Accounting Standards (GASs) for the Accounting Standards Committee of Germany/German Accounting Standards Board.