Complex sentence: More than offering advice, Beer stepped aside from most of his other consulting business and devoted a great deal of time to what became Project Cybersyn, traveling to Chile often to collaborate with local implementors and using his personal contacts to secure assistance from British technical experts.
Split into simpler sentences: More than offering advice, he left most of his other consulting business and devoted much time to what became Project Cybersyn. He traveled to Chile often to collaborate with local implementors and used his personal contacts to secure help from British technical experts.