While working for Eitan S. Erez & Co. in Tel-Aviv, his duties including 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 deals with preparing and filing requests to enforce foreign judgments in Israel, in defense against requests to enforce a foreign judgment, in conducting legal proceedings in foreign territories to enforce and/or recognize Israeli judgments and in giving legal expert opinions to support claims in foreign judgment enforcement or recognition proceedings.

Adv. Itzhaki-Weinberger has unique experience in Cross-Border Insolvency proceedings, and has personally handled some of the major cases with precedents in this field, both in Israel and in some other jurisdictions (in the United States, in the United Kingdom, in Switzerland, in Gibraltar etc.)

Advocate Itzhaki-Weinberger has personally performed complex legal actions and financial transaction in the UK, Switzerland, Germany, Cyprus, Belgium, Jersey Island, South Africa, Panama, Poland, Namibia, St. Kitts & Nevis, Malta, British Virgin Islands (BVI) and additional territories.