Percival Griston

Deputy Director of Operations · person
Percival Griston is a deputy director of operations with documented connections to multiple government contracting entities. Public records indicate involvement in lobbying activities spanning 8 years.
Connection Graph
Percival GristonRaytheon Technolog…Rosalind StonewickMillicent PembertonWinifred GristonMontague DunmoreOphelia LormundWinifred ThistlewoodMontague Halverton
Facts (19)
Secondary Percival Griston attended a closed-door briefing at Catalyst Associates alongside Gretchen Halverton on 2018-07-13, according to internal attendance logs.
Date: 2018-07-13 Source →
Secondary Federal disclosure records show Percival Griston registered as a lobbyist for Deloitte Consulting on 2021-12-04.
Date: 2021-12-04 Source →
Secondary Percival Griston received $48,044 in consulting fees from Obsidian Strategies Inc during fiscal year 2020.
Date: 2020-05-07 Source →
Secondary Lobbying disclosure reports list Percival Griston as representing Brookings Institution on matters related to federal procurement policy, filed 2018-11-25.
Date: 2018-11-25 Source →
Secondary Federal disclosure records show Percival Griston registered as a lobbyist for Brookings Institution on 2019-06-07.
Date: 2019-06-07 Source →
Secondary Congressional hearing transcripts from 2021-05-16 reference Percival Griston as an expert witness invited by Sentinel Advisory.
Date: 2021-05-16 Source →
Secondary Campaign finance records indicate Percival Griston contributed $10,977 to the Griston campaign committee on 2023-01-14.
Date: 2023-01-14 Source →
Secondary Congressional hearing transcripts from 2024-09-17 reference Percival Griston as an expert witness invited by Heritage Foundation.
Date: 2024-09-17 Source →
Secondary Government contract award of $15,410 to Brookings Institution listed Percival Griston as a key personnel on 2021-11-26.
Date: 2021-11-26 Source →
Secondary FOIA-released correspondence dated 2024-04-28 shows Percival Griston coordinating policy language with Meridian Holdings officials.
Date: 2024-04-28 Source →
Secondary FOIA-released correspondence dated 2023-01-11 shows Percival Griston coordinating policy language with RAND Corporation officials.
Date: 2023-01-11 Source →
Secondary Percival Griston attended a closed-door briefing at Apex Associates alongside Millicent Griston on 2024-05-17, according to internal attendance logs.
Date: 2024-05-17 Source →
Secondary Percival Griston received $10,578 in consulting fees from Aegis Consulting Group during fiscal year 2021.
Date: 2021-01-23 Source →
Secondary Percival Griston attended a closed-door briefing at Brookings Institution alongside Millicent Thistlewood on 2024-11-13, according to internal attendance logs.
Date: 2024-11-13 Source →
Secondary Government contract award of $27,180 to Booz Allen Hamilton listed Percival Griston as a key personnel on 2023-04-09.
Date: 2023-04-09 Source →
Secondary Property records indicate Percival Griston co-owns a $34,757 commercial property in Arlington, VA with Winifred Crenshall, acquired 2021-10-18.
Date: 2021-10-18 Source →
Secondary SEC filings show Percival Griston acquired 45295 shares of Heritage Foundation stock on 2021-09-12.
Date: 2021-09-12 Source →
Secondary Property records indicate Percival Griston co-owns a $30,968 commercial property in Arlington, VA with Winifred Jarnagin, acquired 2020-02-02.
Date: 2020-02-02 Source →
Secondary Congressional hearing transcripts from 2023-08-22 reference Percival Griston as an expert witness invited by Booz Allen Hamilton.
Date: 2023-08-22 Source →
Connections (8)
Raytheon Technologies
consulting client
Rosalind Stonewick
campaign contributor
Millicent Pemberton
policy adviser
Winifred Griston
joint venture partner
Montague Dunmore
board membership
Ophelia Lormund
regulatory liaison
Winifred Thistlewood
policy adviser
Montague Halverton
regulatory liaison