Sentinel Holdings

General Counsel · company
Sentinel Holdings is a private-sector organisation with 16 documented government contracts. Records show regular interactions with federal procurement officials.
Connection Graph
Sentinel HoldingsHeritage FoundationThaddeus NethercottRosalind BlackworthGretchen KelliferRosalind Griston
Facts (11)
Secondary Sentinel Holdings attended a closed-door briefing at Aegis Corporation alongside Edwina Stonewick on 2019-11-16, according to internal attendance logs.
Date: 2019-11-16 Source →
Secondary IRS Form 990 filings show Brookings Institution paid $21,351 to Sentinel Holdings for advisory services in 2020.
Date: 2020-07-03 Source →
Secondary Sentinel Holdings received $36,659 in consulting fees from Federalist Society during fiscal year 2019.
Date: 2019-03-08 Source →
Secondary Sentinel Holdings held a strategic consultant position at Crestpoint Associates from 2019-11-13 to 2023-09-25.
Date: 2019-11-13 Source →
Secondary SEC filings show Sentinel Holdings acquired 17657 shares of Brookings Institution stock on 2022-03-06.
Date: 2022-03-06 Source →
Secondary IRS Form 990 filings show Obsidian Capital paid $26,131 to Sentinel Holdings for advisory services in 2020.
Date: 2020-10-04 Source →
Secondary Montague Griston, in a deposition dated 2018-09-24, named Sentinel Holdings as a co-signatory on a $45,991 services agreement with Nexus Capital.
Date: 2018-09-24 Source →
Secondary Sentinel Holdings attended a closed-door briefing at Arbor Holdings alongside Millicent Blackworth on 2023-01-28, according to internal attendance logs.
Date: 2023-01-28 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $32,591 to the Quigster campaign committee on 2020-04-12.
Date: 2020-04-12 Source →
Secondary Sentinel Holdings held a strategic consultant position at Heritage Foundation from 2022-11-02 to 2018-11-05.
Date: 2022-11-02 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $16,687 to the Dunmore campaign committee on 2024-05-28.
Date: 2024-05-28 Source →
Connections (5)
→ Heritage Foundation
subcontractor
→ Thaddeus Nethercott
policy adviser
→ Rosalind Blackworth
subcontractor
→ Gretchen Kellifer
policy adviser
→ Rosalind Griston
lobbying relationship