pmpromd-format-anchor-link.php

<?php
/**
 * Create a custom anchor link for PMPro Member Directory and Profile field name
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpromd_custom_anchor_link( $value, $original_value, $field_name ) {
	if ( 'field_name' === $field_name ) {
		$value = '<strong>Your Title Here</strong> <a href="' . $original_value . '" rel="follow" target="_blank">' . $original_value . '</a>';
	}
	return $value;
}
add_filter( 'pmpromd_format_profile_field', 'my_pmpromd_custom_anchor_link', 10, 3 );