Remove all of the grammatical flaws from this text.
Steen Langebaek, president of AGE, an organization which aims to promote the interest of older people across Europe, believes that older people should be encouraged to study and work beyond retirement, whether through part-time work or on a voluntary basis.
Steen Langebaek, president of AGE, an organization that aims to promote the interest of older people across Europe, believes that older people should be encouraged to study and work beyond retirement, whether through part-time work or on a voluntary basis