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Glossary

Trustee

A trustee is the individual or institution legally responsible for managing trust assets and administering the trust according to its governing document and applicable law.

The trustee occupies a fiduciary role — one of the highest standards of legal duty. This means the trustee must act solely in the interest of the beneficiaries, follow the terms of the trust agreement, keep careful records, and avoid conflicts of interest. Failing to meet these obligations can expose a trustee to personal legal liability. Families commonly appoint either a trusted individual (a family member, friend, or advisor) or a professional corporate trustee such as a bank or trust company.

Each choice carries trade-offs. An individual trustee may know the family's values and dynamics deeply but may lack investment expertise or the administrative infrastructure to manage complex assets. A corporate trustee brings institutional resources and continuity but may be less attuned to family nuance. Some families appoint a corporate trustee for administrative and investment functions while naming a family member as a "trust protector" — a separate role with limited powers, such as the ability to change trustees or modify certain provisions.

A trustee managing assets for a trust that holds private equity interests, real estate, and liquid securities faces genuine complexity. They must coordinate with the family's investment management function, track distributions, file required accountings, and communicate with beneficiaries — all while keeping the trust's specific objectives in view. This is one reason families building formal infrastructure through a single family office often integrate trust administration directly into the office's operations.

Related Terms

Guides That Use This Term

Family Offices

What Is a Family Office?Do You Need a Family Office?Single Family Office (SFO)Multi-Family Office (MFO)Micro Family OfficeWhat a Family Office CostsWhy Family Offices Exist

Build a Family Office

How to Build a Family Office From the Ground UpStep 3: The Organizational StructureStep 4: Internal vs. Outsourced (Build vs. Buy)The First 90 Days: Turning the Lights OnStep 1: Define the Family Office's PurposeStep 2: Inventory the Family's AssetsStep 5: Hire the Core Team

Investing

How Family Offices InvestDirect InvestingAsset Allocation for Family CapitalThe Investment Policy Statement (IPS)Liquidity, Concentration, and RiskPublic Markets: Equities and Fixed IncomeReal Estate in the Family Portfolio

Operations

Family Office AccountingFamily Office TechnologyFamily Office CybersecurityConsolidated Reporting: One True Net WorthBill Pay, AP, and Financial ControlsFamily Office Software, Category by CategoryBanking, Custody, and Treasury

Governance & Estate

Family GovernanceEstate Planning and Wealth TransferHow Family Offices Manage TaxPhilanthropy and the Family OfficeThe Family ConstitutionSuccession: The Office After the FounderPreparing the Next Generation

Industry

Careers in Family OfficesHow the Family Office Industry Is ChangingFamily Offices and Regulation

Roles & Staffing

Family Office Roles & Staffing, MappedFamily Office CEO / President / Managing DirectorChief Investment Officer (CIO)Portfolio Manager / Investment DirectorAsset Manager (Real Assets)Chief Financial Officer (CFO)Controller

Comparisons

Single vs. Multi-Family OfficeFamily Office vs. Wealth ManagerFamily Office vs. RIAFamily Office vs. Private BankFamily Office vs. Financial AdvisorFamily Office vs. Hedge FundFamily Office vs. Private Equity Firm