I think it is well-suited for populations who value social media and being connected in this manner at work. If the population does not value this type of open interaction, it will be underutilized. Many of our baby-boomer generation staff have a hard time seeing the relevancy of a site such as this.
The profile finder is glitchy and rarely comes up with solid results.
The site sometimes has glitches, such as subject pages not loading and complete content not appearing on the screen until you refresh or give it an abnormal amount of time to load.
The "USAID Search" option should appear first for the search results. It is not intuitive that it is the last search option to select. Often users don't even clearly recognize that they need to select types of search results.