Complex sentence: Geraldine Finlayson is Deputy Head of Heritage, as well as Director of the Institute for Gibraltarian Studies and Chief Laboratory Scientist of the Gibraltar Museum, and was Director of the John Mackintosh Hall until October 2011.
Split into simpler sentences: Geraldine Finlayson is Deputy Head of Heritage, as well as Director of the Institute for Gibraltarian Studies and Chief Laboratory Scientist of the Gibraltar Museum. She was Director of the John Mackintosh Hall until October 2011.