gistfile1.php

<?php

add_filter('tribe_events_eb_request', 'tribe_fix_eb_organizer_website', 10, 3);
function tribe_fix_eb_organizer_website( $request, $action, $params ){
	if ( strpos( $action, 'organizer' ) !== false ) {
		$params_array = array();
		parse_str( $params, $params_array );
		if ( $params_array['name'] == 'My Organizer' ) { // replace 'My Organizer' with  the name of your organizer
			$params_array['description'] = 'Put what you want in the organizer description here'; // customize this text
		}
		$request = str_replace( $params, _http_build_query( $params_array ), $request );
	}
	return $request;
}

Customize the organizer info that's sent to Eventbrite - only works with Eventbrite Tickets v 3.5+