Complex sentence: In his civilian life Kendall has performed pro bono human rights work, including serving on the board of directors of Amnesty International, Human Rights First and the Tahirih Justice Center Kendall has traveled to the Guantanamo Bay detention camps, as a human rights observer.
Split into simpler sentences: In his civilian life Kendall has performed pro bono human rights work. He has traveled to the Guantanamo Bay detention camps, as a human rights observer.