What can I do if I believe whistleblower retaliation occurred?

If you are a Federal employee and believe that you have been retaliated against because of your whistleblowing, you may contact the U.S. Office of Special Counsel (https://osc.gov/pages/file-complaint.aspx) or the EEOC's OIG Report Fraud, Waste, & Abuse | EEOC Office of Inspector General webpage.
If you are a Federal employee and have been subject to a adverse personnel action, you can file an appeal with the Merit Systems Protection Board (www.mspb.gov) and assert whistleblower retaliation as a defense.
If you are contractor employee and believe that you have been retaliated against because of your whistleblowing, you can contact the OIG (http://OIG.EEOC.GOV).