Complex sentence: Women business gurus have been on the rise, in 2013 they took 13 of the 50 places in the Thinkers 50 list when in 2001 they only took up 2 places.
Split into simpler sentences: Women business gurus have been on the rise. In 2013 they took 13 of the 50 places in the Thinkers 50 list when in 2001 they only took up 2 places.