Why Chief of Staff is Becoming the Next C-Suite Staple

Once found mainly in military, political and a handful of the largest corporate settings, the Chief of Staff has become one of the fastest-growing senior roles in business. As executive teams face greater complexity, faster decision-making and more demands on the CEO’s time, more companies are appointing a Chief of Staff to bridge strategy and execution at the very top of the organisation. This guide sets out why the role is rising, what a Chief of Staff actually does, and what makes the appointment so valuable to a modern leadership team.

The Chief of Staff is a distinct role — not a deputy, not an executive assistant, and not a substitute for a Chief Operating Officer. Understanding what the role is, and what it is not, is the first step to appointing one well. If you are already at the point of hiring, our Chief of Staff recruitment service explains how we approach the search; if you are still deciding whether the role makes sense for your business, read on.

The Origins and Evolution of the Role

The Chief of Staff role has its roots in military and political settings, where a trusted senior figure was essential to managing complex operations and keeping strategy aligned. In these environments the Chief of Staff acted as adviser and coordinator, controlling the flow of information and making sure decisions taken at the top were carried out further down. That model — a right hand who turns the leader’s intent into coordinated action — laid the groundwork for the role’s move into business.

As companies grew in complexity, the need for a role bridging strategic vision and operational execution became clear. The Chief of Staff emerged in corporate settings to manage the flow of information, align departmental goals with executive priorities, and make sure the CEO’s vision was communicated and implemented across the business. What began in the largest organisations has since spread to mid-market, private equity-backed and growth-stage companies, where the same problem — a CEO with more to coordinate than one person can carry — shows up earlier than it used to.

The business version of the role has also changed shape over time. Early corporate Chiefs of Staff were often gatekeepers, managing access to the chief executive. Today the role is more likely to own the operating rhythm of the leadership team: the agenda for executive meetings, the tracking of strategic priorities, the preparation of board material and the delivery of specific cross-functional projects that do not sit neatly in any one director’s area.

Why the Modern Executive Team Needs the Role

The rise of the Chief of Staff is driven by real changes in how executive teams operate. Businesses are more complex, decisions move faster, and the demands on a CEO’s time and attention have grown accordingly. In this environment, the gap between setting a strategy and actually executing it — across a busy, multi-functional leadership team — has widened, and someone is needed to close it.

The Chief of Staff fills exactly this gap. By taking on the coordination, follow-through and cross-functional alignment that would otherwise fall to an already-stretched CEO, the role frees the chief executive to focus on the decisions only they can make. It is this practical value — making the whole executive team more effective — that has turned the Chief of Staff from a rarity into an increasingly standard appointment.

Governance expectations add to the pressure. Boards expect clear, timely information from management, and the UK Corporate Governance Code places weight on the board receiving the information it needs to carry out its role. Directors also carry the statutory duty under section 172 of the Companies Act 2006 to promote the success of the company having regard to a range of stakeholders. None of that creates a Chief of Staff requirement, but it does mean the quality of information flowing from the executive team to the board matters, and a Chief of Staff is often the person who makes that flow reliable.

Common triggers for the appointment include:

• a CEO whose diary is consumed by internal coordination rather than customers, investors and strategy;
• rapid growth, a merger or an acquisition that has added layers and functions faster than the leadership team’s ways of working have adapted;
• a private equity investment that brings a value creation plan, more frequent board reporting and closer scrutiny of delivery;
• strategic initiatives that repeatedly stall because they sit between functions and nobody owns them end to end;
• a new CEO who needs a trusted operator to help them understand the business and set up their leadership agenda quickly.

What a Chief of Staff Actually Does

The Chief of Staff’s responsibilities centre on making the CEO and the executive team more effective. This typically includes managing the flow of information to and from the CEO, coordinating across the executive team, driving key strategic initiatives, and making sure decisions made at the top are followed through across the business. The role sits at the intersection of strategy and execution, translating the CEO’s priorities into coordinated action.

A large part of the value is in follow-through and coordination — making sure the many threads of a busy executive agenda are managed, that initiatives do not stall, and that the leadership team works as a coherent whole rather than a set of individuals. The Chief of Staff is a strategic role, focused on the effectiveness of the leadership team itself — a dimension of the executive committee’s work that is easily under-resourced.

In practice, the work usually falls into four areas:

Running the leadership operating rhythm

Setting agendas for executive meetings, making sure papers arrive on time and are fit for decision, recording actions and chasing them. This sounds administrative, but done well it changes the quality of decisions the leadership team makes.

Strategy into delivery

Turning the annual plan or a value creation plan into a small number of tracked priorities, with owners, milestones and an honest view of progress. The Chief of Staff is often the person who tells the CEO, early, that something is off track.

Special projects

Leading work that crosses functions — an operating model review, an integration after an acquisition, an office move, a new market entry — where a single accountable owner is needed for a defined period.

Communication and board support

Drafting the CEO’s internal communications, coordinating board packs with the company secretary and finance, and acting as a sounding board on people and organisational issues the CEO cannot easily discuss elsewhere.

The Skills and Qualities of an Effective Chief of Staff

An effective Chief of Staff combines a distinctive set of qualities. Foremost is trust — the role depends on a close, confidential relationship with the CEO, so integrity and discretion are essential. Alongside this is breadth: the Chief of Staff must understand the whole business, work effectively across every function, and be comfortable moving between strategic thinking and practical execution.

Other defining qualities include strong communication and interpersonal skill — the role is fundamentally about coordination and influence across the leadership team — along with the judgement to prioritise, the organisation to drive follow-through, and the emotional intelligence to operate in the sensitive space around a CEO. These qualities rarely come together in one person, which is what makes identifying an excellent Chief of Staff a genuine search challenge.

Backgrounds vary. Strong Chiefs of Staff come from strategy consulting, corporate development, finance, operations, the military and the civil service, and from inside the business itself. What matters more than the route is evidence of a few specific things:

• Influence without authority. The Chief of Staff rarely has direct reports of any size, so they must get things done through executives who outrank them.
• Commercial and financial literacy. They need to read a management pack, challenge a forecast and understand where value is made in the business.
• Low ego. Much of the best work is invisible, credited to the CEO or the executive who delivered it.
• Willingness to say the unwelcome thing. A Chief of Staff who only tells the CEO what they want to hear adds little.

How the Role Fits the Modern C-Suite

The Chief of Staff does not replace any existing C-suite role; it complements them. Where the CFO leads finance, the COO leads operations and the CEO leads the whole, the Chief of Staff makes the leadership team itself work better — keeping alignment, coordination and follow-through in place across the top of the organisation. In this sense the role is less a new functional head and more a piece of connective tissue for the executive team.

This is why the role fits so naturally into the modern C-suite, and why it is increasingly seen as a staple rather than a luxury. As executive teams face more complexity and pressure, the value of a role dedicated to making the leadership team effective only grows. For many businesses, appointing a Chief of Staff is among the most useful additions they can make to the senior team, particularly alongside a strong CEO appointment.

Chief of Staff vs COO, Deputy CEO and Executive Assistant

Confusion between these roles is the most common reason Chief of Staff appointments disappoint. The distinctions are worth setting out plainly.

Chief Operating Officer. A COO runs the operations of the business and usually has a large organisation reporting to them. They own outcomes such as service levels, margins and delivery. A Chief of Staff typically has no operational line and owns the effectiveness of the leadership team rather than a function. If the real need is someone to run day-to-day operations, the answer is COO recruitment, not a Chief of Staff.

Deputy CEO. A deputy holds delegated authority and can stand in for the CEO. A Chief of Staff acts on the CEO’s behalf but does not usually carry that authority in their own right, and should not be seen by the executive team as a rival power centre.

Executive Assistant. An EA manages the CEO’s diary, travel and correspondence. Many CEOs need both: an EA to manage time, and a Chief of Staff to make sure that time is spent on the right things and that what is decided gets done.

Getting this right at the brief stage saves a great deal of friction later. The job description, reporting line and the way the role is introduced to the executive team should all reflect which of these you are actually hiring.

The Future of the Role

The direction of travel is towards the Chief of Staff becoming more common, and more established, across businesses of all sizes. What was once found only in the largest organisations is spreading to mid-market and growth-stage businesses, as more leadership teams recognise the value of a role dedicated to executive effectiveness. As this happens, the role is becoming better defined and more professionalised, with a growing pool of experienced Chiefs of Staff building careers in the discipline rather than treating it as a short rotation.

Two other trends are worth noting. First, flexible arrangements are growing. Some businesses bring in an interim Chief of Staff to support a new CEO through their first months, or to run a defined transformation, and our interim executive recruitment work increasingly includes this kind of brief. Others take a part-time route, in the same way they might use a fractional C-suite for finance or operations. Second, the role is becoming a recognised path to the top: a Chief of Staff gains exposure to every function and to the board, which makes it a strong development step for future COOs, managing directors and chief executives.

For businesses, the practical implication is that the Chief of Staff belongs in the conversation about how to structure a modern leadership team. As executive demands continue to grow, a capable Chief of Staff is increasingly one of the most effective ways to make the top of the organisation function well — which is why the role is fast becoming a C-suite staple.

Appointing a Chief of Staff

The Chief of Staff is a strategic appointment — a role that can change how a leadership team operates, but one that depends entirely on finding the right person. The combination of trust, breadth, judgement and the ability to move between strategy and execution is rare, and identifying it requires a search focused on both capability and fit with the CEO and the business. A poor appointment adds little; the right one makes the entire executive team more effective.

A few points make the difference between an appointment that works and one that drifts:

• Be specific about the mandate. Write down the three or four outcomes the Chief of Staff should own in the first year. A vague brief produces a vague role.
• Involve the executive team. The people the Chief of Staff will work through should meet shortlisted candidates and understand why the role exists.
• Test chemistry with the CEO properly. More than in almost any other senior hire, the working relationship decides success. Allow time for more than one substantive conversation.
• Agree the tenure and the next step. Many Chiefs of Staff stay in the role for a few years and then move into a line position. Discussing that at the outset helps attract ambitious candidates.
• Check regulatory implications. In an FCA-regulated firm, the Chief of Staff is not a designated senior management function, but depending on what they are responsible for the role may need to be considered under the FCA Certification Regime. The certification regime is under review, so confirm the current position with your compliance team before the role is finalised.

At Exec Capital, we help businesses appoint Chiefs of Staff and the wider senior leadership team — understanding what each business needs from the role and finding the person who brings it. Our Chief of Staff search is run by our specialist team, with Adrian Lawrence FCA overseeing each mandate.

Further Reading

This guide sits alongside our wider leadership resources. For a step-by-step view of the hiring process — from writing the brief to onboarding — see our guide on how to hire a Chief of Staff. To understand the forum a Chief of Staff usually supports, read our guide to the executive committee. For background on board governance and reporting, the ICAEW’s overview of the UK Corporate Governance Code is a useful reference.

Frequently asked questions

Is a Chief of Staff part of the C-suite?

Usually the Chief of Staff attends the executive committee and works at C-suite level, but does not lead a function in the way a CFO or COO does. Whether they are a formal member of the executive team varies by business.

Who does a Chief of Staff report to?

Most report directly to the CEO. Some larger businesses also appoint Chiefs of Staff to other executives, such as a COO or divisional managing director, but the CEO model is the most common.

At what size does a business need a Chief of Staff?

There is no fixed threshold. The better test is whether the CEO’s time is being absorbed by coordination and follow-up, and whether cross-functional priorities are slipping. That can happen in a fast-growing business of modest size as easily as in a large group.

Can a Chief of Staff be interim or part-time?

Yes. Interim Chiefs of Staff are often used to support a new CEO or a defined change programme, and some smaller businesses use a part-time arrangement. The trade-off is continuity: the role relies on trust built over time.

What is the difference between a Chief of Staff and a COO?

A COO runs operations and usually manages a large team. A Chief of Staff typically has no operational line and focuses on how the leadership team works — agendas, priorities, follow-through and special projects.