Gisela is a Senior Director for Government Affairs at PerkinElmer. She is the Chair of the General Pharmaceutical Council, UK and former Chair of the British Science Association. She also serves on the Board of Everywoman Ltd and Briyah Institute, USA. Gisela is the Founder and former Managing Director of OTGA Management Consultancy. Gisela is a Commissioner for the National Preparedness Commission in UK. She has worked in conjunction with the WHO, World Bank and the UN to improve health outcomes globally. She is also a Global Goodwill Ambassador.

Gisela was named one of the 100 Women to Watch for FTSE 350 Boards. Gisela is the winner of the 2019 Black British Business Person of the Year Award. She was awarded Iconic Woman creating a better World for All by the Women Economic Forum. Gisela was awarded Fellow of the Royal Society for Arts, Manufactures and Commerce for her contribution to social change. Previously, she was the Director of Strategic Partnerships and a Company Officer for Abt Associates, one of the top 20 global research and evaluation companies.