Spanish renewables company Grenergy Renovables SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Grenergy-Renovables-ES0105079000" target="_blank">BME:GRE</a>) said on Friday that chief executive officer Pablo Otin Pintado has resigned from the board of directors and his executive position, effective immediately.