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The first thing that sets this search apart is exposure. Your family office chief of staff will know things about your life that a lot of people in your life don't know. They'll be in the room for calls with your estate attorney. They'll understand the entity structure across your holdings. They'll know the family dynamics — the real version, not the polished one — and how those dynamics connect to the succession questions you're quietly working through. They'll understand your total picture in a way that even most of your senior advisors don't, because advisors see their slice and this person integrates everything: the principal's finances, the operating business if one still runs, the next generation questions, the philanthropy, the real estate, all of it together.
That changes the hiring lens significantly. When you're evaluating a CFO for a portfolio company, the core questions are about competency — has this person done the job before, can they lead a team, can they build the function. All of that still applies to a CoS, but it's not sufficient. You're also vetting someone for permanent proximity to your life. That's closer to how you'd think about adding a key person to your family trust than it is to filling a senior leadership position at a company.
Character matters as much as competency here. Not in a vague way — in a concrete sense of: does this person understand instinctively that the information inside your office stays inside your office, that they don't talk about you, that their job is to hold the complexity you've entrusted to them without leaking any of it into the world. Some people have that orientation naturally. A lot of people think they do. Running a proper trust screen isn't optional for this hire.
The scope question is equally complicated. A family office chief of staff isn't an EA with a better title — that framing almost always leads to the wrong hire. And they're not quite the same thing as a corporate CoS either, because the mix of responsibilities is completely different. Depending on your office structure, the role might be centered on investment operations: coordinating with the investment committee, tracking capital calls and distributions, managing the reporting infrastructure, sitting in on manager meetings. Or it might be primarily operational — the properties, the aviation, the household complexity that your EA handles some of but not all of. Or there's a philanthropic arm that needs real management. Or some combination of all three, weighted differently depending on where the actual need is.
What this means practically: there's no standard job description that covers it. The role is yours, specific to your office and your life. If you hire someone based on a generic CoS description pulled from the internet, you'll probably end up with someone who's good at the version of the job they've seen before, which might be half of what you actually need.
The most important thing you can do before you start talking to candidates is figure out what Tuesday looks like.
Not the aspirational version. The real one — where does your time actually go right now, what decisions are slipping, what's coming to you that shouldn't be, what would this person be doing at 10am on a random Wednesday three months in. If you can answer that clearly, you're in a much better position to run a successful search. If you can't, the search will wander and you'll spend months interviewing candidates against a moving target.
The breakdown I see most often when I'm talking to principals about this: investment ops versus operational complexity versus governance and family. Each of those requires a meaningfully different background, and the weighting matters for who you hire.
Investment ops CoS — you need someone with finance exposure. Probably a background in private equity, asset management, or inside another family office's investments function. They need to understand how capital calls work, how reporting gets built, how you communicate with managers and custodians. That's not a skill set you can fake.
Operationally-focused CoS — the profile shifts toward people who've built structure out of nothing and managed complicated logistics. Early-stage startup operators, often. Or people who've run complex environments in high-touch service contexts. They're not always finance-fluent but they're extremely capable at managing the kind of chaos a complex principal life generates.
The governance piece — how the next generation gets involved, how you structure conversations across family members who don't all want the same things — that requires a maturity and interpersonal skill set that some candidates have and most don't. Usually not the primary role, but if it's a meaningful part of what you need, it has to factor into who you hire.
The candidates who tend to succeed in this role have usually come through environments that prepared them for complexity without handing them a clean playbook. Private equity operations is one of the more reliable feeder paths — specifically people who ran ops at the fund level, or who were chief of staff to a founding partner or MD. They understand financial structures, they've worked in high-discretion environments, and they know how to be a force multiplier for someone running a complicated shop.
Family office adjacent experience is the obvious fit — people who've been in a senior operations or CoS capacity at another family office. The challenge is that this world is small and quiet. Those candidates don't surface easily through normal channels, which is most of the reason referrals fall short.
Startup operators with finance exposure are worth taking seriously, especially for family offices where the operational complexity is the bigger need. Someone who spent several years as a startup COO, built infrastructure from scratch, managed across functions, and is now ready for something with more depth and stability — that person can often grow into this role faster than you'd expect.
The red flags: candidates who talk about their last role in terms of strategy and vision but can't give you texture about what they actually built or managed. This is an execution role. The CoS coordinates across advisors, tracks things you've delegated, holds threads you don't have time to hold, and makes sure decisions are actually getting made at the right level. If someone can't describe how they operated concretely in their last role, that's worth taking seriously as a signal.
On the trust screen — beyond the background check, you're looking for people with a natural orientation toward confidentiality. Ask them directly how they think about discretion. Watch how they talk about previous employers in the interview. People who handle this well tend to show it early, without needing to be asked twice.
You can't post this job publicly. Some principals try it anyway, especially early in the process when it feels like the faster path. A public job description for your family office chief of staff reveals more about your structure and complexity than you want widely known. The posting itself becomes information about you.
Referrals feel like the natural move, and you should absolutely make them. But they usually fall short for this specific hire. The overlap between people who know your family office and people who know strong CoS candidates is genuinely thin. You'll get a handful of names, most of them adjacent rather than right, and a process that drags on while you wait for the right referral that doesn't come.
What works is a retained search with a firm that knows this niche specifically. Not a generalist executive search firm that can technically run a CoS search — a firm with actual relationships with candidates who've done this work in a family office context, and that knows how to evaluate the trust and discretion question properly. That's a real distinction. Most recruiting firms that run CoS searches are doing it for corporate or startup clients, and the family office version is different enough that market knowledge matters.
Retained structure means the firm is committed to the search from day one and incentivized to see it through. It also means they can protect your confidentiality throughout — candidates get enough context to self-select without knowing exactly whose office they're interviewing for, until there's a real reason to move forward.
Plan for three to five months for the right hire. This is not a search you run on urgency.
On comp: the range is wide because the role is wide.
For a single-family office under $500M AUM with moderate complexity, base typically runs $175K–$200K. As scope grows — larger AUM, meaningful operational complexity, investment oversight, multi-generational family dynamics — base moves up, and senior roles at larger offices often land in the $200K-300K range. Bonus is discretionary and paid annually, based on the principal's read on overall performance. No standardized structure because the role isn't standardized. And there can be equity. Some principals offer carry in specific investment vehicles for senior hires.
The mistake I see most often is principals who undervalue the scope in the comp structure. They're thinking of the role as a slightly elevated EA, and the offer reflects that. Then they wonder why the candidates who can actually do the job aren't engaging. Comp has to match the real scope of what you're asking for. That sounds obvious, but it costs principals time and good candidates more often than it should.
We run a Chief of Staff recruiting practice at Resonance, and family office searches are a meaningful part of what we do. We know the candidate market in this niche — which backgrounds actually transfer, where the right candidates come from, and how to evaluate the trust question in a way that most firms with a broader focus don't have the context to do well.
When we run a family office CoS search, we run it confidentially, thoroughly, and with the understanding that you're not just filling a role — you're adding someone to the center of your office. If you're at the point where you know this hire needs to happen, we'd like to talk.
