Who Is Avi Fischer? Tshuva's Long-Time Partner At Delek Group
Israeli lawyer who served for years as Yitzhak Tshuva's closest senior partner at Delek Group, vice chairman across the Tamar and Leviathan natural-gas era. Hebrew Wikipedia, almost no English.
Avi Fischer is the Israeli lawyer and businessman who served for years as the closest senior partner to Yitzhak Tshuva at Delek Group — vice chairman of Delek Group, board chairman or director across multiple Delek-controlled subsidiaries, and the principal commercial counterparty in many of the transactions that built Tshuva's energy, real-estate, and financial-services empire through the 2000s and 2010s. Hebrew Wikipedia entry. Almost no English Wikipedia presence. This is the canonical English profile.
Background
Fischer is a lawyer by training and built his early career inside Israeli commercial law before transitioning fully to principal and operating roles. His professional identity through the peak Delek years was as Tshuva's principal partner across structuring, M&A, and governance — the role that Israeli corporate culture often refers to in Hebrew as the controlling shareholder's number two, and that in US terms would combine elements of co-principal, general counsel, and chief operating officer.
Delek Group
Delek Group under Tshuva built across four arenas: fuel retail and downstream energy (Delek Israel, Delek US, Delek Europe), upstream oil and gas (the Tamar and Leviathan offshore natural-gas discoveries through Delek Drilling), insurance and financial services (Phoenix Holdings, IDB Holdings positions), and real estate (the Plaza Hotel acquisition in New York, residential and commercial Israeli real estate).
Fischer's signature was governance and structure across that footprint. He served on the boards of multiple Delek subsidiaries, took executive responsibility inside several of them, and was the visible institutional counterparty to banks, regulators, and counterparties in major transactions.
The Israeli Concentration Law of the 2010s forced Delek Group to divest its financial-services holdings to retain its non-financial arms — most notably the sale of Phoenix Holdings. Fischer was a central operational figure in the divestiture process.
Why He Matters
Israeli holding-company history runs through a small number of controlling shareholders. The story of those shareholders is incomplete without the partners and lieutenants who actually executed the transactions, structured the entities, and managed the governance — and those figures rarely make the English-language canonical record. Fischer is the single most important such figure inside the Delek/Tshuva story. He belongs in the record.
Updated June 2026.
