Méiyǒu yī gè míngquè de lǐngtóurén, xiàngmù hěn nán tuījìn.
Without a clear leader, the project is difficult to move forward.
Tips
usage
领头人 is informal and concrete, referring to whoever literally takes the lead in a group or project. It's less formal than 领导 (lǐngdǎo, leader/leadership) and more colloquial.