Final answer:
J. Robert Ashcroft served as the national secretary of the Education Department for the Assemblies of God and as president of several of its colleges.
Step-by-step explanation:
The individual who served as national secretary of the Education Department for the Assemblies of God and as president of several Assemblies of God colleges is J. Robert Ashcroft. J. Robert Ashcroft had a significant impact on religious education in the United States. He was notably involved with Evangel College (now Evangel University), where he served as president among other roles within the Assemblies of God educational system.