Berry Gordy Jr.
Motown songwriters were successful because they had the ability to write songs for African-American artists that appealed to both African-Americans and white audiences.
Write songs for African American artists that appealed to both African American and white audiences
Motown session musician Earl Van Dyke directed the Funk Brothers as a heavy handed leader.
Motown songwriters were successful because they were some of the best songwriters in the world. Besides that, they worked in a totally collaborative environment. They wrote songs together, learned from each other, competed with one another, inspired one another, etc.
The Funk Brothers were session musicians who provided the backing to most Motown recordings. Some of the musicians were Jack Ashford, Robert White, and Eddie Willis.