The Sentry: Detailed Company Information & Corporate Profile

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Summary

The Sentry was founded in 2015 and is headquartered in Washington, District of Columbia. The organization operates within the foreign affairs sector, supporting policy development and strategic analysis across international contexts.

The team comprises between 10 and 50 employees, with a revenue range of $1 to $10 million. Leadership includes Co‑Pioneer and CEO Greg Ohan, COO and co‑pioneer Thuy Hoang, and other senior staff such as Michaela Taychert, Willem Cleven, Sasha Lezhnev, Jennifer Lonnquest, Laura Ferris, Han Vo, Brian Bui, Emma Nguyeen, Suzanne Hayden, Trinh Tam Nhu, and the Deputy Directors of Development, Communications, Data and Research. The company’s governance structure features a mix of executive, advisory, and operational roles.

The Sentry Websitethesentry.org
Industries
The Sentry Headquarters Address1420 K St NW, Washington, District of Columbia, 20005 US
Company Size10-50 employees
Founded2015
Estimated Annual Revenue$1 - 10M
Updated:2026-11-13

Estimated Website Traffic

The chart shows a growth in traffic to the thesentry.org website. In September, traffic increased to 12255, compared to 11843 in the previous month. The highest traffic in 2026 was recorded in May, reaching 25013 visits.

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Length of Employment

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The Sentry's workforce includes employees across a wide range of tenure levels.

9% have been with the company for less than 1 year18% have been with the company for 1 to 2 years18% have been with the company for 3 to 4 years27% have been with the company for 5 to 7 years27% have been with the company for 8 to 10 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from The Sentry
Greg Ohan
Greg OhanCo-Pioneer & CEO
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Michaela Taychert
Michaela TaychertAdministrative Coordinator
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Willem Cleven
Willem ClevenDeputy Director of Development
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Sasha Lezhnev
Sasha LezhnevSenior Policy Advisor
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Jennifer Lonnquest
Jennifer LonnquestDeputy Director of Communications
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Alexandra Bloom
Alexandra BloomSenior investigator, illegal logging
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Sanjay Mody
Sanjay ModyGeneral Counsel
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Jordan Helle
Jordan HelleAnnouncer
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Zachary Kitt
Zachary KittDeputy Director of Data and Research
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Brian Adeba
Brian AdebaSenior Policy Advisor
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Quynh Ho
Quynh HoLeasing Administrator
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Laura Ferris
Laura FerrisDirector of Programs
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Han Vo
Han VoEvent Leader
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Brian Bui
Brian BuiAssistant Operation Director
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Suzanne Hayden
Suzanne HaydenSenior Advisor
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Lan Dang Xuan
Lan Dang XuanLeasing Agent
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The Sentry Corporate Information: FAQ

The Sentry operates in the Foreign Affairs industries. More details can be found on the official website: thesentry.org.
The Sentry has offices located in Washington, US.
The headquarters of The Sentry are located in Washington, United States.
The Sentry currently employs 10-50 people.

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