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Twin Oak ETF Company Names Ron Diamond Chair of Family Office Advisory Board

Reported by Morningstar
Sep 9, 2026· 2 min read
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Key Takeaways
  • • Twin Oak ETF Company named Ronald Diamond, founder and chairman of Diamond Wealth, Chair of its Family Office Advisory Board, according to a PRNewswire release.
  • • Diamond Wealth is a syndicate of more than 100 family offices with sizes ranging from $250 million to $30 billion, investing across private equity, real estate, venture capital, credit and special situations.
  • • The appointment supports Twin Oak's expansion of work with single- and multi-family offices and the wealth-management professionals who serve them.
  • • Zach Wainwright, co-founder and CEO of Twin Oak, said Diamond's perspective on evaluating investments at the portfolio level aligns with how the firm is building its business.
Summary
Twin Oak ETF Company has named Ronald Diamond Chair of its Family Office Advisory Board, according to a PRNewswire release issued by the firm. Diamond is founder and chairman of Diamond Wealth, a syndicate of more than 100 family offices ranging from $250 million to $30 billion in size. The syndicate invests across private equity, real estate, venture capital, credit and special situations.

In the role, Diamond will advise Twin Oak as it works with leading single- and multi-family offices. The company said the appointment is intended to help it stay close to the issues affecting those investors and to deepen its relationships across the family-office community. Twin Oak describes its approach as starting with the investor or portfolio objective and considering investment strategy and implementation together, with ETFs serving as its primary delivery vehicle today.

Wainwright, co-founder and chief executive officer of Twin Oak, said Diamond understands how family offices make decisions, beginning with what the capital needs to accomplish and assessing the full portfolio rather than individual products. Diamond said family offices evaluate investments differently because they must consider strategy, structure, liquidity, taxes and time horizon.

Diamond has more than two decades of experience working with family offices and private investors. He also founded Family Office World Media, helped build the family office program at TIGER 21, where he chaired a national Family Office Group, and serves on the Advisory Board of the University of Chicago Booth School of Business Family Office Initiative. He has taught at Oxford, Stanford and Harvard.

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Sources

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Morningstar Twin Oak ETF Company Names Ron Diamond Chair of Family Office Advisory Board