Two people standing on a mountain ridge above a lake
About WAI

A Private Office for entrepreneurial families.

Today, families do not simply need a vehicle for managing wealth or investments. In an era of significant wealth transfer, leadership succession, and increasing global opportunity, families need a holistic system that integrates people, decisions, capital, opportunities, geography, and long-term objectives.

What is a Private Office?

A modern Private Office is the expression of private wealth stewardship—an integrated platform designed to simplify complexity, preserve legacy, and build generational prosperity. It serves as the family’s central command center, bringing together the financial, strategic, personal, and global dimensions of family life under one trusted structure.

At its core, a Private Office is not simply about managing what a family owns. It is about integrating how a family thinks, decides, lives, invests, operates, and builds across generations.

The Private Office Model

One point of coordination. Every dimension of family wealth.

The Chief of Staff sits at the center — aligning six core services today, and preparing the next generation for tomorrow.

Advisory
New Ventures
Global Residency
Chief of StaffWilliams Advisers International
Private Capital
Wealth & Giving
Real Estate
Next Gen & Legacy
The Family Endowment Model

An institution, not a portfolio.

Our framework turns family wealth into permanent family capital — organized around four elements that endure beyond any single generation.

Capital

What the family owns, how it is structured, and how it is deployed and preserved over time.

Governance

How the family makes decisions — its charter, its forums and the roles each member plays.

Distribution

How wealth flows to family members, to new ventures and to the causes the family supports.

Legacy

The values, stories and purpose that give the next generation a reason to carry it forward.

JC Prieto Williams, Founder & Principal of Williams Advisers International
Founder & Principal

JC Prieto Williams

Austin, Texas · English & Español

JC has spent two decades building a career in business diplomacy, fiduciary advisory, and creative long-term thinking about wealth, investments, and global markets.

He founded Williams Advisers International to give entrepreneurial families what large family offices provide — a trusted Chief of Staff, institutional discipline and global access — with the personal, hands-on attention of a boutique.

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