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We are looking for a high level Executive Assistant to provide direct, comprehensive support to our CEO & Founder and Chief of Staff, operating as the connective tissue across two of the firm's most demanding and high-profile functions. This position will be based in stunning new offices in Hatfield and will be onsite 5 days a week. You will need to have a degree, masters and ideally an MBA from a top university in the UK or US.

About Phi Partners

Founded over 20 years ago, Phi Partners has established itself as one of the most respected specialist consultancies in capital markets technology. Headquartered in London and operating across four international hubs - New York, Dubai and Singapore, we work exclusively within front office, pricing and risk: the disciplines where precision, trust and expertise matter most.

Our clients are among the world's most demanding financial institutions - Tier-1 investment banks, leading hedge funds and major asset managers and they choose us because we deliver with the authority of genuine specialists. With approximately 600 professionals, six lines of business and nearshore delivery centres across Europe, the Middle East and South Asia, Phi has built a platform that combines global reach with deep domain knowledge.

Key Responsibilities

• Act as an AI-enabled strategic support resource for the CEO: using agentic AI and research workflows to surface insight, synthesise information and produce briefing materials that are concise, accurate and immediately actionable — this is a non-negotiable requirement of the role.
• Leverage AI tools expertly to conduct deep research in support of the CEO — including prospect and client intelligence, market and competitor analysis, industry developments and background preparation ahead of key meetings, board sessions and strategic engagements.
• Lead the organisation and planning of board meetings end to end — working proactively with the CEO, Chief of Staff and ELT to ensure agendas are structured, materials are prepared to the highest standard, and every governance touchpoint runs with precision.
• Provide 24x7 availability and proactive support during all CEO business travel, adjusting working hours accordingly.
• Manage end-to-end travel arrangements for the CEO through Phi's white-glove travel management partner, ensuring every detail - flights, ground transport, accommodation, visas, security, itineraries - is coordinated and confirmed in advance.
• Lead the implementation and ongoing management of Phi's new approach to executive travel, acting as the primary liaison with the external travel agency to refine the booking process, establish standards and ensure consistent delivery.
• Liaise closely with the Commercial EA and other senior stakeholders to maintain seamless diary management, anticipate scheduling conflicts and manage the CEO's time with care and foresight.
• Prepare briefing materials, logistics packs and itineraries ahead of each trip; conduct post-trip follow-ups as required.

Governance & Strategic Support - Chief of Staff

• Own and maintain the corporate and governance calendar, ensuring all board, investor and operational meetings are scheduled, confirmed and appropriately resourced well in advance.
• Prepare and coordinate board packs for both Operational Board and Investor Committee meetings, AI must be used to facilitate this process end to end, from collating and structuring contributions through to formatting and quality-checking final materials from all ELT members, including the CEO, to agreed deadlines. Manual approaches alone are not sufficient; the CEO requires AI to be embedded in how this work is delivered.
• Facilitate the end-to-end board pack process: chasing responses, aligning contributors, managing version control and ensuring final documents are distributed on time.
• Support the write-up of specific transformation and strategic initiatives as directed by the Chief of Staff — AI must be actively used in drafting, structuring and refining these documents. The expectation is that AI accelerates and elevates the quality of output, producing clear, professionally structured documentation to the highest editorial standard.
• Maintain structured records of action items, decisions and follow-ups from governance meetings, tracking delivery across senior stakeholders.

Skills and Experience Required

• The right person will be exceptionally polished, organised and have an impressive background within Professional Services
• Educated to Masters or MBA level
• Confident operating in a fast paced sales environment where priorities shift quickly and standards are uncompromisingly high
• The CEO travels extensively on business and will expect total, proactive support before, during and after every trip
• The Chief of Staff oversees corporate governance and transformation; this role provides the structured, behind-the-scenes coordination that keeps both functions running smoothly.
• Critically, this is an AI-enabled role in the fullest sense, you should be able to deploy AI tools expertly to conduct research, prepare for board meetings, synthesise complex information and deliver insight that adds real strategic value
• The ability to work fluently with AI is not a bonus; it is central to what this role is and how the CEO expects it to operate.

Pay: £60,000.00-£80,000.00 per year

Benefits:

• Company car
• Company pension
• Gym membership
• On-site parking
• Private medical insurance
• UK visa sponsorship

Application question(s):

• Are you able to work onsite at our offices in Hatfield every day. This is non negotiable.

Work Location: In person