Yvonne Harrop is a senior strategic relations specialist with significant influence across the City of London, UK media networks, and major political and cultural institutions. With a career spanning blue-chip organisations and corporate consultancy, she is known for exceptional stakeholder engagement, negotiation, and the ability to build trusted relationships in complex environments.

A Freeman of the City of London and active member of several prestigious institutions, Yvonne operates within circles that shape media, policy, and international dialogue. She serves as a Main Board Director of the London Press Club, and holds roles within The Media Society, the Conservative Foreign & Commonwealth Council (CFCC), The Pilgrims Society, and the Soho Society Planning Committee — giving her access to influential leaders across business, politics, and culture.

At Sigulp, she acts as a Senior Strategic Relations Partner and Advisory Board Member, contributing to high-level client projects that require institutional intelligence, elite networking, and strategic diplomacy. Yvonne supports founders, leaders, and organisations in strengthening their reputation, securing meaningful partnerships, and navigating influential environments with confidence and precision.Her ability to connect people, shape dialogue, and open access to elite networks makes her a key contributor to Sigulp’s global strategic initiatives.