Avery Ersztein

As Founder & Managing Partner of Wind River Capital Strategies, I advise endowments and foundations on investment governance, portfolio design, and manager oversight. My background spans senior roles at Goldman Sachs, J.P. Morgan, and Bernstein, where I led strategic engagements across asset allocation, capital markets, manager selection and investor communication. My skill set blends deep capital markets expertise with investor engagement — shaped by years supporting endowments, foundations, public companies, venture funds, and alternative asset managers. I founded Wind River CS to deliver the kind of embedded, fiduciary-focused partnership that institutional clients truly need — independent, boutique, and unconflicted. Today, I lead every client relationship personally, combining the analytical discipline of an investment office with the strategic clarity of a capital markets professional who has sat across the table from boards, LPs, and allocators for over two decades.