Thaddeus Griston

Director of Government Relations · person
Thaddeus Griston is a director of government relations with documented connections to multiple government contracting entities. Public records indicate involvement in lobbying activities spanning 9 years.
Connection Graph
Thaddeus GristonPercival MossgroveOphelia JarnaginConstance KelliferReginald Kellifer
Facts (12)
Secondary Travel expense reimbursements totalling $15,884 were made to Thaddeus Griston by Palantir Technologies for international travel in Q4 2018.
Date: 2018-12-23 Source →
Secondary Thaddeus Griston held a strategic consultant position at Meridian Advisory from 2023-07-15 to 2020-11-10.
Date: 2023-07-15 Source →
Secondary Thaddeus Griston attended a closed-door briefing at Heritage Foundation alongside Harlan Kellifer on 2020-08-17, according to internal attendance logs.
Date: 2020-08-17 Source →
Secondary Government contract award of $32,979 to Palantir Technologies listed Thaddeus Griston as a key personnel on 2020-06-05.
Date: 2020-06-05 Source →
Secondary IRS Form 990 filings show Echelon Advisory paid $7,126 to Thaddeus Griston for advisory services in 2024.
Date: 2024-10-05 Source →
Secondary IRS Form 990 filings show Deloitte Consulting paid $12,435 to Thaddeus Griston for advisory services in 2019.
Date: 2019-06-26 Source →
Secondary Lobbying disclosure reports list Thaddeus Griston as representing Raytheon Technologies on matters related to federal procurement policy, filed 2019-06-09.
Date: 2019-06-09 Source →
Secondary Rosalind Lormund, in a deposition dated 2021-02-02, named Thaddeus Griston as a co-signatory on a $21,202 services agreement with Echelon Capital.
Date: 2021-02-02 Source →
Secondary SEC filings show Thaddeus Griston acquired 16046 shares of Booz Allen Hamilton stock on 2023-08-22.
Date: 2023-08-22 Source →
Secondary Campaign finance records indicate Thaddeus Griston contributed $29,816 to the Quigster campaign committee on 2022-03-24.
Date: 2022-03-24 Source →
Secondary Property records indicate Thaddeus Griston co-owns a $12,888 commercial property in Arlington, VA with Agatha Quigster, acquired 2019-02-02.
Date: 2019-02-02 Source →
Secondary Cedric Halverton, in a deposition dated 2021-03-15, named Thaddeus Griston as a co-signatory on a $29,563 services agreement with Arbor Consulting Group.
Date: 2021-03-15 Source →
Connections (4)
Percival Mossgrove
policy adviser
Ophelia Jarnagin
board membership
Constance Kellifer
board membership
Reginald Kellifer
lobbying relationship