Complex sentence: Walter learns from his boss Fulton Greenway that his company is in financial trouble and organizes a book pitch for Christmas Eve, for which Walter and his associates Eugene and Morris arrange a meeting with best-selling children's author Miles Finch to hire him.
Split into simpler sentences: Walter learns from his boss Fulton Greenway that his company is in financial trouble. Greenway organizes a book pitch for Christmas Eve, for which Walter and his associates Eugene and Morris arrange a meeting with best-selling children's author Miles Finch to hire him.