Job Description

Built on meritocracy, our unique company culture rewards self-starters and those who are committed to doing what is best for our customers.

Head of Affinity (Accident & Health)
Location: London
Package: £Negotiable + Bonus + Benefits

The Head of Affinity Accident & Health will lead the strategy, underwriting performance, and growth of Millstream’s Affinity A&H portfolio, with a strong emphasis on travel-related products, embedded insurance solutions, and digital distribution partnerships.

This role will be instrumental in expanding Millstream’s position as a leading provider of white-labelled and embedded insurance propositions, delivering scalable, partner-led solutions across UK markets. The successful candidate will combine deep A&H technical expertise with strong commercial instincts and a proven ability to build and manage high-performing affinity partnerships.

Key Responsibilities

Strategy & Growth

• Define and execute the Affinity A&H strategy, aligned with Millstream’s growth ambitions in travel and personal accident & sickness products.
• Identify and develop opportunities in embedded insurance, digital platforms, and non-traditional distribution.
• Expand Millstream’s presence across UK and selected international markets.

Underwriting & Portfolio Management

• Own underwriting performance for the Affinity A&H portfolio, ensuring profitable and sustainable growth.
• Set underwriting appetite, pricing frameworks, and governance standards.
• Drive portfolio optimisation through data-led insights, monitoring loss ratios, partner performance, and product profitability.
• Maintain strong underwriting discipline aligned with capacity provider expectations.

Affinity Partnerships & Distribution

• Lead the development and management of key affinity relationships, including:
  • Police Federations
  • Employee Benefits
  • Membership organisations, NGO’s and digital platforms
• Structure and negotiate long-term, scalable partnerships.
• Collaborate with distribution and broker partners to deepen market reach.

Product Development & Embedded Solutions

• Oversee development of travel and A&H products, including:
  • Travel insurance (multi-trip, embedded protection)
  • Personal Accident & Sickness
  • Ancillary A&H covers
  • Assistance-led and value-added propositions
• Drive innovation in API-enabled, embedded products aligned to partner journeys.

Capacity & Market Management

• Work closely with capacity providers to:
  • Maintain strong relationships and confidence in Millstream’s underwriting philosophy
  • Secure and optimise capacity for growth
  • Ensure alignment on risk appetite and performance expectations

Financial Performance & Governance

• Deliver financial targets including GWP, revenue, and underwriting profitability.
• Provide regular portfolio reporting to senior leadership and capacity providers.
• Ensure compliance with FCA requirements and internal governance frameworks.

Leadership & Team Development

• Lead and develop a high-performing underwriting and portfolio team.
• Embed a commercial, partner-centric and performance-driven culture.
• Strengthen technical underwriting capability alongside innovation and agility.

Key Deliverables / Success Metrics

• Delivery of profitable growth in Affinity A&H portfolio
• Achievement of target loss ratio and combined ratio
• Expansion of high-quality embedded and affinity partnerships
• Strength and stability of capacity relationships
• Team performance, engagement, and retention

Skills & Experience Required

Technical & Market Expertise

• Significant A&H underwriting experience, ideally with travel or affinity focus
• Strong understanding of embedded insurance models and digital distribution
• Experience managing delegated authority or MGA environments

Commercial & Partnership Skills

• Proven track record in building and scaling affinity or embedded distribution partnerships
• Strong negotiation skills and commercial judgment
• Experience working with capacity providers and reinsurers

Leadership

• Experience leading underwriting or portfolio teams
• Ability to influence at senior level internally and externally
• Track record of delivering change, growth, and innovation

Personal Attributes

• Entrepreneurial mindset with strong execution focus
• Data-driven and commercially astute
• Collaborative and partner-oriented
• Adaptable and comfortable in a growth-focused environment

Qualifications

• ACII or equivalent (desirable)

Key Stakeholders

• Chief Underwriting Officer & Executive Team
• Capacity Providers / Insurers
• Distribution & Broker Partners
• Claims & Assistance Providers
• Compliance & Risk

We are an Equal Opportunity Employer. We take pride in the diversity of our team and seek diversity in our applicants.