GWC Staff Query

// WP_Query arguments
$args = array (
	'post_type'              => 'tap_staff',
	'posts_per_page'         => '-1',
	'order'                  => 'ASC',
	'orderby'                => 'title',
	'meta_query'             => array(
		array(
			'key'       => 'ID',
			'value'     => '$staff',
			'compare'   => 'NOT IN',
			'type'      => 'NUMERIC',
		),
	),
);

// The Query
$query = new WP_Query( $args );

// The Loop
if ( $query->have_posts() ) {
	while ( $query->have_posts() ) {
		$query->the_post();
		// do something
	}
} else {
	// no posts found
}

// Restore original Post Data
wp_reset_postdata();