Complex sentence: Berger was shortlisted for the Grassroot Diplomat Initiative Award in 2015 for her camapign against food poverty where she had produced a film to highlight the growing concerns of constituents relying on food banks, and she remains in the directory of the Grassroot Diplomat Who's Who publication.
Split into simpler sentences: Berger was shortlisted for the Grassroot Diplomat Initiative Award in 2015 for her campaign against food poverty, in which she had produced a film to highlight the growing concerns of some of her constituents reliant on food banks. She remains in the directory of the Grassroot Diplomat Who's Who publication.