The Executive Committee is responsible for running the business day‑to‑day. This includes delivering Unum’s strategy and annual plan, driving growth, managing performance and risk, and ensuring we meet all legal and regulatory requirements.

Mark Till, Chief Executive Officer Unum UK and Chairman, Unum Poland

Mark Till is the CEO of Unum UK, responsible for setting the company’s strategic direction and ensuring a high‑performing, customer‑centred organisation that delivers exceptional support when people need it most.

Mark leads Unum’s UK operations, shaping strategy, culture, and customer outcomes. He also serves as Chairman of Unum Poland, supporting alignment and governance across the region.

Mark joined Unum in February 2021, drawn by the company’s strong customer ethos and its commitment to supporting people through life’s most challenging moments. He is deeply motivated by helping individuals secure their long‑term financial wellbeing.

Before joining Unum, Mark spent five years at Aegon UK as Managing Director, Platform Solutions, where he led the pensions, investment platform, asset management, and personal protection businesses. His earlier career includes multiple senior leadership roles across financial services.

Jon Fletcher, Chief Financial Officer

Jon Fletcher is the Chief Financial Officer of Unum UK, responsible for leading the Finance and Underwriting functions to ensure strong financial stewardship, sustainable growth, and disciplined risk‑based decision‑making across the business.

In his role, Jon oversees strategic financial management, long‑term financial planning, performance reporting, capital management, and pricing and underwriting. His remit ensures Unum maintains a resilient financial position, meets regulatory requirements, and delivers consistently against its commitments to customers and stakeholders.

Jon joined Unum as CFO in January 2017. During his tenure, he has played a central role in shaping Unum UK’s financial strategy and supporting the organisation through key phases of transformation and market change.

Jon is a Director of Unum Limited and Unum European Holding Company Limited and serves as a member of the Supervisory Board of Unum Poland, contributing to governance and oversight across the wider group.

Liz Walker, Chief Operating Officer

As Chief Operating Officer, Liz Walker leads Unum UK’s service operations for brokers and customers, ensuring a seamless, high‑quality experience across servicing, claims, and rehabilitation.

Liz is responsible for shaping and delivering Unum’s service strategy, driving continuous improvement, and ensuring operational models evolve to meet customer needs. She is deeply committed to building inclusive, empowered teams, believing that a motivated and well‑supported workforce is essential to delivering exceptional customer outcomes.

Liz has been with Unum for over 25 years, bringing extensive experience across the organisation. She spent the early part of her career in the US Sales Organisation before moving to the UK in 2012. Prior to becoming COO, Liz led the Key Accounts Sales Team and later served as UK HR Director, giving her unique insight into both commercial and people‑centred leadership.

Helen Webb, Chief Risk Officer

Helen Webb is the Chief Risk Officer for Unum UK, overseeing the organisation’s Risk, Legal, Compliance, and Governance functions to ensure robust, proactive, and transparent risk management.

Helen works closely with business leaders to identify, assess, and manage key risks within Unum’s agreed risk appetite and enterprise risk management framework. Her team provides specialist legal and regulatory guidance, supporting well‑informed commercial decision‑making and ensuring effective governance across the Unum UK Group.

Helen joined Unum in April 2023 as Head of Internal Audit before being promoted to Chief Risk Officer in March 2026. Prior to joining Unum, she served as Chief Risk Officer for Saga plc and brings extensive expertise in FCA conduct and prudential regulation. Her career spans senior roles in risk and assurance, giving her deep insight into regulatory expectations and operational resilience.

Glenn Thompson, Chief Distribution Officer

Glenn Thompson is the Chief Distribution Officer for Unum UK, leading the Growth and Distribution team responsible for driving sustainable business growth and delivering high‑quality support to intermediaries and customers.

In his role, Glenn shapes Unum’s distribution strategy, strengthens key market relationships, and ensures advisers receive the insight, support, and tools needed to serve customers effectively. His leadership is central to expanding Unum’s reach and ensuring customers access the protection and support they need.

Glenn has been with Unum UK for 30 years, with 15 of those spent on the Executive Team. Throughout his career, he has held a variety of sales leadership and management roles, bringing deep market knowledge and longstanding experience in developing high‑performing commercial teams. He is committed to supporting people across the organisation to grow their careers and fulfil their potential.

John Hyde, Chief Marketing Officer

As Chief Marketing Officer, John Hyde leads Unum UK’s marketing strategy, shaping compelling propositions and customer‑centred communications that strengthen the brand and support business growth. A highly valued strategic thinker, he has led the shaping of Unum’s 2030 strategy.

John and his team focus on understanding customer needs and translating those insights into attractive and commercially effective product and service offerings. He is passionate about nurturing teams, fostering creativity, and embedding a strong customer lens across the business.

John joined Unum in September 2021, bringing extensive experience across marketing, growth strategy, and distribution in the financial services sector. Before joining Unum, he was Head of Growth Products at Hastings Direct, where he drove product diversification and business expansion. His career also includes senior roles at Legal & General, BGL Group and the Royal Bank of Scotland, giving him a broad and proven track record in developing customer‑centric propositions at scale.

Lio Lopez-Welsch, Chief Information and Digital Officer

Lio Lopez‑Welsch is Unum UK’s Chief Information and Digital Officer, responsible for driving the organisation’s technology strategy and leading its ongoing digital transformation.

Lio oversees the stability, resilience, and security of Unum’s core technology platforms while advancing the digital capabilities needed to broaden customer access to Unum’s products and services. His leadership focuses on building scalable, modern technology solutions that support Unum’s long‑term growth and reinforce its position as a specialist employee benefits provider.

Before joining Unum, Lio held multiple senior technology and digital leadership roles within the financial services industry. His experience delivering large‑scale IT programmes and complex platform integrations brings essential expertise to Unum’s ambitious transformation agenda.

Jane Hulme, UK HR Director

As UK HR Director, Jane Hulme leads Unum’s people strategy, supporting the organisation’s goal of attracting, developing, and retaining a talented and engaged workforce.

Jane oversees all aspects of organisational development and culture, including leadership development, diversity and inclusion, employee wellbeing, talent management, engagement, and workforce planning. Her team partners closely with business leaders to shape the environment and ways of working needed for teams to thrive.

Jane joined Unum in February 2021 as Head of Business Partnering before being appointed UK HR Director in March 2022. Her background spans senior HR roles across multiple sectors, including Rolls‑Royce Motor Cars, Liz Earle, and Eaton Industrial Corporation, giving her significant experience in building people‑centred strategies and supporting business transformation.