Jack Grynberg
5
Connections
1
Sources
1
Quality /10
3
Entity Types
Late Denver-based oil tycoon who engaged Barak in 2014 to help broker the sale of Gadeco LLC; Barak discussed this deal with Epstein.
Connection Graph
Top 3 connections · Full graph →
Mutual Connections
Entities connected to Jack Grynberg through shared intermediaries, but not directly linked.
Person
Jeffrey Epstein
Connected via: Gadeco LLC, Gadeco LLC, Former Israeli Prime Minister
Financial Entity
Surveillance Technology
Connected via: Former Israeli Prime Minister
Organization
Parasight (later Sight Diagnostics)
Connected via: Former Israeli Prime Minister
Document
New Files
Connected via: Former Israeli Prime Minister
Document
Ynet Article (Nov 7, 2019)
Connected via: Former Israeli Prime Minister
Key Relationships
Owned
- Financial Entity Gadeco LLC - Grynberg owned the oil and gas company Gadeco LLC and engaged Barak to broker its sale Official Document
- Organization Gadeco LLC - Jack Grynberg was the owner of the oil and gas company Gadeco LLC, which he sought to sell in 2014. Credible Reporting
Associated With
- Person Former Israeli Prime Minister - Grynberg engaged Barak in 2014 to help broker the sale of his oil and gas company Gadeco LLC for a 5% commission. Bar... Single Source
Employed By
- Person Former Israeli Prime Minister - Grynberg engaged Barak in 2014 to broker the sale of Gadeco LLC for a 5% commission divided among Barak and business ... Official Document
Connected To
- Person Former Israeli Prime Minister - Grynberg engaged Barak in 2014 to help broker the sale of his oil and gas company Gadeco LLC. Official Document
Source Documents & Evidence
“Epstein's advice took a similar tone when Barak asked about a potential deal with the late Denver, Colorado-based oil tycoon Jack Grynberg. Barak's emails indicate that he felt a personal affinity for Grynberg”Accessed: 2026-02-27
Added: 2026-02-27
· Updated: 2026-05-06
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