gistfile1.txt

<?php

add_action( 'pre_get_posts', 'custom_get_posts' );

function custom_get_posts( $query ) {

	if( (is_category() || is_archive()) && $query->is_main_query() ) {

		if ( $query->query_vars['post_type'] == 'staff' || $query->query_vars['post_type'] == 'stories' ) {
			$query->query_vars['orderby'] = 'menu_order';
			$query->query_vars['order'] = 'ASC';
		}

		if ($query->query_vars['post_type'] == 'advisory_council') {
			$query->query_vars['orderby'] = 'title';
			$query->query_vars['order'] = 'ASC';
		}

	}

}