Intelsat S.A., a satellite services provider, announced that its board of directors has elected John W. Diercksen to serve on the board as an independent director effective today. Mr. Diercksen will also serve on the Audit Committee. Mr. Diercksen is currently an executive vice president of Verizon Communications, with responsibility for key strategic initiatives related to the review and assessment of potential mergers, acquisitions and divestitures. At Verizon, he previously held the position of executive vice president…