Complex sentence: He graduated from Brooklyn's Midwood High School in 1987 and received his BA in English from Vassar College in 1991 soon after he briefly worked as a messenger at The New Yorker magazine.
Split into simpler sentences: He graduated from Brooklyn's Midwood High School in 1987 and received his BA in English from Vassar College in 1991. Soon after, he briefly worked as a messenger at The New Yorker magazine.