Fanjul Suárez began her career as a senior analyst at the independent financial and strategic advisory firm Confivendis and later worked as general manager at Solón Inversiones until 2011. She has developed her professional career in the field of e-commerce, holding various relevant positions: member of the board of directors of from 2009 to 2011, managing director at StepOne Ventures from 2009 to 2011, and managing director at from 2012 to 2014. Between 2014 and 2020, she served for Inditex as head of e-commerce with the aim of growing the e-commerce business of the group's brands.

Since 2021, she has been a member of the advisory board of Klarna. In 2022, she co-founded Grupo Tansley and joined Hijos de Rivera as an independent director.

Fanjul Suárez is also the co-founder and chair of Chamberi Valley, an association focused on the creation and consolidation of digital start-ups.She is also a member of the International Advisory Board of the Comillas Pontifical University ICADE.

She has extensive international experience in Europe, the United States, Latin America, Australia, Asia and the Middle East. In Europe, the United States and Asia, she partnered with the main online platforms (Zalando, ASOS, Google, Facebook, Alibaba and SSG). In the United States, she founded and managed StepOne in San Francisco. In Latin America, she launched in Mexico.She also launched and managed Inditex’s online business in Europe, the United States, Latin America, Australia, China, Korea, Japan, South-East Asia, Russia, Turkey and the Middle East.

Fanjul Suárez graduated in business administration and management at the Comillas Pontifical University ICADE in Madrid, and supplemented her studies at the University of Cardiff in Wales.