Complex sentence: Floyd started in January 1930 as an apprentice with A.V. Roe and Company in England (a position which was gained through connections with Roy Dobson)-Jim moved up the chain finally ending as Senior Vice President and Director of Engineering at A.V. Roe Canada.
Split into simpler sentences: Floyd started in January 1930 as an apprentice with A.V. Roe and Company in England (a position which was gained through connections with Roy Dobson). Floyd moved up the chain finally ending as Senior Vice President and Director of Engineering at A.V. Roe Canada.