Siebert Financial Appoints Daniel M. Ondeck as Head of Institutional Sales

SIEB
September 30, 2025

Siebert Financial Corp. announced that Daniel M. Ondeck has joined the firm as Head of Institutional Sales. Based in Washington, D.C., Ondeck will lead institutional client coverage and distribution across sector verticals.

Ondeck brings over two decades of experience in institutional sales and capital markets, having previously served in senior sales roles at FBR Capital Markets and B. Riley Financial. He will work closely with Siebert’s investment bankers on origination and execution.

This appointment underscores Siebert’s commitment to growing its institutional capabilities and expanding into new verticals. Ondeck's relationships and sales leadership are expected to deepen coverage, broaden distribution, and support origination across public and private markets.

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