Complex sentence: C. Arthur Ling (1919--2005) became the chair, and Leslie Cross the treasurer and secretary; as of 2014 one of C. Arthur Ling's sons, Adrian, is the managing director of Plamil Foods.
Split into simpler sentences: C. Arthur Ling (1919--2005) became the chair, and Leslie Cross the treasurer and secretary. As of 2014 one of C. Arthur Ling's sons, Adrian, is the managing director of Plamil Foods.