Position
Chief Operating Officer
Company
Castellum, Inc.
ViennaOtherFinancial ServicesSoftwareReal EstateProperty ManagementDescription
Castellum, Inc. has entered into an at-will employment arrangement with Tammy L. Martin as the Company's General Counsel effective January 1, 2026
Quick answer
Castellum, Inc. Welcomes New General Counsel and Raises COO Salary (January 2, 2026). Castellum, Inc. is based in Vienna, Virginia, United States.
- What did Castellum, Inc. announce on January 2, 2026?
- Castellum, Inc. has entered into an at-will employment arrangement with Tammy L. Martin as the Company's General Counsel effective January 1, 2026
- Where is Castellum, Inc. based?
- Castellum, Inc. is based in Vienna, Virginia, United States.
- Which similar companies made leadership changes around the same time?
- JLL (February 5, 2026), Altus Group’s Development Advisory Business (January 6, 2026), LaSalle Investment Management (December 3, 2025) and Cushman & Wakefield (January 5, 2026) also announced leadership changes within 45 days of Castellum, Inc.
Source: Fundz verified event record.
Other recent leadership changes in Financial Services and Real Estate
Executive moves at companies in the same sectors within 45 days, from Fundz verified event records.
- JLL Appoints Mencía Barreiros as Head of Communications (February 5, 2026)
- Altus Group Promotes Rich Sarkis to Chief Commercial Officer (January 6, 2026)
- LaSalle Investment Management Appoints Brad Gries as Global CEO and Tim Kessler as President (December 3, 2025)
- Cushman & Wakefield Appoints Andy Jansen as President of Project & Development Services (January 5, 2026)
- Awfis Appoints Sumit Rochlani as Chief Financial Officer (January 5, 2026)
- Rimes Appoints Kieran Kennedy as Chief Revenue Officer (January 6, 2026)
Who to call at Castellum, Inc., and when
A new leader at Castellum, Inc. brings new priorities and often new vendors. The first weeks are when they listen.
- An alert the day Castellum, Inc. raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Castellum, Inc., from your own LinkedIn network
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Fundz sees it the moment Castellum, Inc. changes its leadership, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
Castellum, Inc. changed its leadership. Fundz had it the day it was filed, with the decision-maker at the company attached.
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