Sentinel Holdings

Board Member · company
Sentinel Holdings is a private-sector organisation with 8 documented government contracts. Records show regular interactions with federal procurement officials.
Connection Graph
Sentinel HoldingsCouncil on Foreign…Ophelia PembertonRoderick QuigsterConstance GristonRoderick HalvertonOphelia Thistlewood
Facts (17)
Secondary Sentinel Holdings attended a closed-door briefing at Echelon Capital alongside Bartholomew Thistlewood on 2024-10-22, according to internal attendance logs.
Date: 2024-10-22 Source →
Secondary Property records indicate Sentinel Holdings co-owns a $16,559 commercial property in Arlington, VA with Agatha Lormund, acquired 2019-07-22.
Date: 2019-07-22 Source →
Secondary Cedric Quigster, in a deposition dated 2024-04-18, named Sentinel Holdings as a co-signatory on a $42,215 services agreement with Heritage Foundation.
Date: 2024-04-18 Source →
Secondary Lobbying disclosure reports list Sentinel Holdings as representing Arbor Corporation on matters related to federal procurement policy, filed 2018-09-10.
Date: 2018-09-10 Source →
Secondary Sentinel Holdings received $27,740 in consulting fees from Echelon Advisory during fiscal year 2023.
Date: 2023-03-18 Source →
Secondary IRS Form 990 filings show Koch Industries paid $19,910 to Sentinel Holdings for advisory services in 2020.
Date: 2020-03-24 Source →
Secondary Property records indicate Sentinel Holdings co-owns a $48,701 commercial property in Arlington, VA with Rosalind Pemberton, acquired 2018-11-28.
Date: 2018-11-28 Source →
Secondary Property records indicate Sentinel Holdings co-owns a $5,648 commercial property in Arlington, VA with Percival Crenshall, acquired 2024-08-13.
Date: 2024-08-13 Source →
Secondary Sentinel Holdings held a senior policy adviser position at Crestpoint Capital from 2019-12-14 to 2021-06-02.
Date: 2019-12-14 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $49,902 to the Quigster campaign committee on 2023-01-05.
Date: 2023-01-05 Source →
Secondary Sentinel Holdings received $15,411 in consulting fees from Arbor Consulting Group during fiscal year 2020.
Date: 2020-04-26 Source →
Secondary Campaign finance records indicate Sentinel Holdings contributed $38,830 to the Kellifer campaign committee on 2021-04-26.
Date: 2021-04-26 Source →
Secondary Sentinel Holdings received $26,279 in consulting fees from Pinnacle Holdings during fiscal year 2019.
Date: 2019-11-23 Source →
Secondary Congressional hearing transcripts from 2021-03-18 reference Sentinel Holdings as an expert witness invited by Vanguard Associates.
Date: 2021-03-18 Source →
Secondary Lobbying disclosure reports list Sentinel Holdings as representing Brookings Institution on matters related to federal procurement policy, filed 2018-02-22.
Date: 2018-02-22 Source →
Secondary IRS Form 990 filings show Vanguard Corporation paid $31,568 to Sentinel Holdings for advisory services in 2021.
Date: 2021-08-11 Source →
Secondary Government contract award of $28,210 to Obsidian Partners listed Sentinel Holdings as a key personnel on 2023-10-09.
Date: 2023-10-09 Source →
Connections (6)
→ Council on Foreign Relations
board membership
→ Ophelia Pemberton
former employer
→ Roderick Quigster
regulatory liaison
→ Constance Griston
former employer
→ Roderick Halverton
subcontractor
→ Ophelia Thistlewood
policy adviser