A native of Zambia, Mirriam (Kaumba) Siamusiye was an 11-time NAIA All-America selection in track and two-time selection in cross county.

Siamusiye was a seven-time national champion: NAIA national cross country championship in 2004, the only Lady Bison to ever win that title; 5,000 meters in the NAIA national outdoor meet in 2004 and in the indoor meet in 2005; 3,000 meters at the 2006 national indoor meet; and 10,000 meters in the 2004 and 2005 at the national outdoor meets.

She also won the 10,000-meter run (35:29.82) at the Drake Relays in 2004 in the university-college division and finished third in the 5,000-meter run at the Texas Relays in 2004 (16:42.79).

She set NAIA records in the 5,000 meters indoor (16:20.97) and outdoor (16:44.1) and she holds schools records in the indoor mile (4:44.89), indoor 3,000 (9:15.43), indoor distance medley relay (11:51.43), outdoor 1,500 (4:34.40), and outdoor 10,000 (34:38.38).

Siamusiye lives in Fayetteville, Arkansas with her husband Godfrey and two children.