Complex sentence: Mark Haines (April 19,1946--May 24,2011) was the former host of the CNBC shows "Squawk Box" and "Squawk on the Street" (airs from 9-11 a.m. ET).
Split into simpler sentences: Mark Haines (April 19,1946--May 24,2011) was the former host on the CNBC television network. Haines hosted the TV shows "Squawk Box" and "Squawk on the Street" (airs from 9-11 a.m. ET).