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# David Isenberg 

Former Adjunct Scholar 

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David Isenberg is an independent, Washington‑D.C. based analyst and writer on military, foreign policy, national and international security issues and the author of [*Shadow Force: Private Security Contractors in Iraq*](http://www.amazon.com/dp/0275996336/?tag=catoinstitute-20). He is an expert in U.S. defense policy , WMD proliferation, terrorism, homeland security, peace operations, the intelligence community, international arms trade, small arms proliferation, private military companies, biological weapons, and general arms control issues.

Isenberg’s blog, [The PMSC Observer](http://iissonline.net/), focuses on private military and security contracting. He also blogs regularly at the [*Huffington Post*](http://www.huffingtonpost.com).

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