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Yaron Kosteliz
Founding Partner
Education:
Bar-Ilan University, LL.B. majoring in business, summa cum laude (1998).
Bar-Ilan University, MBA, specializing in finance, cum laude (1998).
Bar-Ilan University, LL.M, summa cum laude (2005).
Bar-Ilan University, LL.B. majoring in business, summa cum laude (1998).
Bar-Ilan University, MBA, specializing in finance, cum laude (1998).
Bar-Ilan University, LL.M, summa cum laude (2005).
yaron@kstlaw.co.il
037671500
Adv. Yaron Kosteliz, founding and senior partner at Kosteliz & Co., Attorneys at Law, has extensive expertise in complex civil-commercial litigation, class actions and derivative suits, direct and indirect tax litigation, administrative law, and white-collar offenses.
At the age of 29, he was named to the inaugural “40 Under 40” list by G Magazine (Globes, 2006) and later featured in the “Top Lawyers” rankings of TheMarker (2008) and Maariv (2011, 2013).
His clients include major players in the Israeli economy and key figures in business and politics, such as EY Israel; MK Avigdor Liberman; Elco Group and Electra Consumer Products; Shikun & Binui; Israel Land Development Company; Tidhar Group; Tarya Israel; S. Schestowitz; Amos Luzon Group; Shagrir Group; Berman Bakery; Angel Bakery; Dor Chemicals; Nofar Energy; and many others.
From 1999 to 2005, Adv. Kosteliz served as Senior Assistant to the Military Advocate General. In that role, he acted as lead prosecutor in high-profile military trials and represented the MAG before the Supreme Court in cases of broad legal significance.
In 2005, he joined Dr. J. Weinroth & Co. as a partner, leading both white-collar and civil-commercial cases with substantial public and economic impact.
In 2014, he founded Kosteliz & Co., which he has led through numerous complex, large-scale cases in both the private and public sectors. His clients have achieved major victories, including awards totaling hundreds of millions of shekels and acquittals in prominent white-collar cases. His work is defined not only by legal precision but also by strategic foresight and a deep understanding of both business and regulatory contexts.
Academic Writing:
Yaron Kosteliz & Simcha Albachari, “Refusal to Serve in the IDF – Between Selective Objection and Pure Conscientious Grounds,” in The Menachem Finkelstein Book – Law, Security and Book, 203 (Sharon Afek, Ofer Grosskopf, Shahar Lifshitz, Elad Spiegelman eds., 2020; in Hebrew).
‘Yaron Kosteliz is a brilliant lawyer and among the top professionals in the white-collar law area in Israel. He remains personally engaged in his cases, with a highly professional, but also emphatic and attentive approach.’
‘The personal involvement of Yaron Kosteliz, the principle, in the case allows quick answers at the highest professional level. Yaron Kosteliz is an outstanding lawyer. He combines highest knowledge of the law with his experience together with compassion, common sense and good communication with his client.’
Legal 500
