Rhiannon Tomtishen serves as the Secretariat Lead for the Glasgow Financial Alliance for Net Zero (GFANZ) since February 2022. Prior to this role, Rhiannon held the position of Climate Finance Secretariat Lead at Bloomberg LP from February 2022 to June 2024. Rhiannon's experience in investment banking includes roles as an Associate and Senior Analyst at Citi from 2018 to 2022, focusing on sustainability and corporate transitions, as well as consumer and retail sectors. Rhiannon holds a Bachelor of Arts with Distinction in International Relations and Chinese from Stanford University.