Jefferson Franklin Tieban

Admiral Jefferson Franklin Tieban was a commanding officer who served the UNSC Navy throughout the Insurrection and early Human-Covenant War. 
Tieban was born on December 1st, 2465, on Circumstance. In 2487, he joined the Navy as an NCO and reached the rank of Senior Chief Petty Officer in 2501. In 2502, he was promoted to the rank of Lieutenant and served as first officer on the UNSC Starcraft. He continued to demonstrate leadership skills and came to command his own ship, the UNSC Iowa, by 2515. In 2525, he was among several high-ranking officers who were promoted to Admiral following the advent of the Human-Covenant War.
Admiral Tieban is best known for approving OPERATION: Velvet, in 2529, and OPERATION: Velvet Knife in 2533. He retired from active duty in 2535, and passed away at his home on Circumstance in 2537. His son, Jacob, was a well-renowned music artist by 2530.