Adv. Itzhaki-Weinberger is registered in the Israel Bar Association database of experts in foreign law in the following jurisdictions: USA, Panama, Switzerland, England & Wales, Jersey Island, Guernsey Island, British Virgin Islands (BVI), Luxembourg, Lichtenstein, Gibraltar, St. Kitts & Nevis, St. Vincent and the laws of the commonwealth of nations.

While working for Eitan S. Erez & Co. in Tel-Aviv, his duties included responsibility over complex international litigations in several jurisdictions according to foreign law, including enforcement and recognition of Israeli judgments overseas, enforcement and recognition of foreign judgments in Israel, and mutual recognition of Erga Omnes rights.

As part of his job Adv. Itzhaki-Weinberger provides expert legal opinions regarding foreign law, conducts legal research in all that is related to foreign laws and legal norms in other jurisdictions, and has provided numerous expert opinions fully accepted and adopted by the courts, the land registrars and the registrars for inheritance.

Adv. Itzhaki-Weinberger is working on a day-to-day basis with dozens of law firms in other jurisdictions, and personally handles the formation of complex foreign company structures for client – whether for tax planning or other business needs.