
César Eduardo Loza Arenas
César Eduardo Loza Arenas is an economist and former president of the Unión Sindical Obrera (USO), who has transitioned to become the first worker representative on the Board of Directors of Ecopetrol for the 2026-2029 period.
Power794
Reach115,381
Country presence
Recent news mentions
César Eduardo Loza Arenas will remain in his executive position at Ecopetrol.
Colombia importa 30 % de gas y 40 % de la gasolinaEl Tiempo·
Colombia· 2026-09-15
César Eduardo Loza Arenas will remain in his directorial position.
Juan Carlos Hurtado renunció a la presidencia de Ecopetrol antes de la Asamblea Extraordinaria: Camilo Barco asumirá temporalmenteEl Tiempo·
Colombia· 2026-09-15
César Eduardo Loza Arenas is the first representative of the workers on the Board of Directors of Ecopetrol.
Carolina Arias, Juan Gonzalo Castaño y César Loza llegan a la Junta de Directiva de EcopetrolEl Tiempo·
Colombia· 2026-02-05

























