Katherine Hallahan
Inter-american Investment Corporation • Washington, DC
General Practice
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Contact
Email
Phone
+12022856378
Address
1350 New York Ave Nw, Washington, DC, 20577, US
Professional
Bar Number
4901021
About
Katherine Hallahan is an attorney with the Inter-American Investment Corporation in Washington, DC, where she supports a broad range of legal matters as part of the firm’s general practice. Known for her professionalism, thoughtful judgment, and client-focused approach, she brings a steady and practical perspective to each matter she handles. Based in Washington, DC, Ms. Hallahan is well positioned to address the legal needs of clients navigating complex and evolving issues in a dynamic legal environment. In her practice, Ms. Hallahan is committed to providing clear guidance, responsive communication, and careful attention to detail. She understands that clients value counsel that is not only knowledgeable, but also accessible and solution-oriented. Whether working on routine legal matters or more nuanced issues, she approaches each responsibility with diligence and a strong commitment to protecting client interests. Admitted to the bar under number 4901021, Katherine Hallahan continues to serve clients with integrity and professionalism. Her work reflects a dedication to delivering dependable legal support and building trusted relationships through consistent, high-quality service.
Credentials
Education
George Mason University School Of Law
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Updated: Aug 10, 2026