Nuala O’Connor Kelly is the first-ever Chief Privacy Officer of the Department of Homeland Security. She oversees what seems to be a huge operation for other federal departments to emulate. But close to 400 of her staffers spend their days reviewing requests under both the Privacy Act and the Freedom of Information Act. FOIA was put under the auspices of the privacy office in the summer of 2003 by then-DHS Secretary Tom Ridge. FOIA officers invoked exemptions that protected personal privacy a full 61,902 times almost twice as often as they invoked all other FOIA exemptions combined.”]
Source: https://www.csoonline.com/article/2118707/is-this-any-job-for-a-privacy-office-.html