Message from U.S. Ambassador Lisa Johnson on her Departure and on July 4th, U.S. Independence Day by USEmbNamibia published on 2021-07-02T07:09:49Z A Message from U.S. Ambassador to Namibia Lisa Johnson on her Departure and on July 4th, U.S. Independence Day Following three and a half years as U.S. Ambassador to Namibia Lisa Johnson will depart Namibia today. While the U.S. Embassy awaits its new ambassador, Jessica Long will lead the U.S. Embassy as Chargé d’Affaires.