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

Rhea-AI Summary

Siebert Financial Corp. (NASDAQ: SIEB) has appointed Daniel M. Ondeck as Head of Institutional Sales. Based in Washington, D.C., Ondeck brings over 20 years of experience in institutional sales and capital markets, having previously served in senior roles at FBR Capital Markets and B. Riley Financial.

In his new role, Ondeck will lead institutional client coverage and distribution across sectors, working closely with Siebert's investment banking team on origination and execution. His responsibilities include coordinating with research and trading teams to support institutional clients, as well as distributing offerings across public and private markets, including structured debt and equity.

Positive

• Appointment of experienced executive with over 20 years in institutional sales
• Strategic expansion of institutional capabilities and client coverage
• Addition of strong institutional relationships and distribution network

Negative

• None.

News Market Reaction

-1.93%

1 alert

-1.93% News Effect

-$2M Valuation Impact

$98M Market Cap

0.2x Rel. Volume

On the day this news was published, SIEB declined 1.93%, reflecting a mild negative market reaction. This price movement removed approximately $2M from the company's valuation, bringing the market cap to $98M at that time.

Data tracked by StockTitan Argus on the day of publication.

MIAMI and NEW YORK, Sept. 04, 2025 (GLOBE NEWSWIRE) -- Siebert Financial Corp. (Nasdaq: SIEB) announced that Daniel M. Ondeck has joined the firm as Head of Institutional Sales. Based in Washington, D.C., he will lead institutional client coverage and distribution across sector verticals and work closely with Siebert’s investment bankers on origination and execution.

Mr. Ondeck brings more than two decades of experience in institutional sales and capital markets. He began his career as an infantry Captain in the United States Marine Corps and holds a B.A. from Denison University. He later served in senior sales roles at FBR Capital Markets and B. Riley Financial.

At Siebert, Mr. Ondeck will partner with the firm’s investment bankers to originate and distribute offerings across public and private markets, including structured debt and equity. He will also coordinate with research and trading to support institutional clients.

“I am excited to join Siebert and help build a differentiated, client-first platform,” said Mr. Ondeck. “Through our efforts, we will bring innovative capital solutions to clients and provide investors with unique opportunities across new and expanding sectors.”

Ajay Asija, Co-Head of Investment Banking at Siebert, added, “Dan's strong institutional relationships made him highly effective at raising capital at B. Riley, and I am delighted to reunite with him at Siebert.”

Randy Billhardt, Head of Capital Markets at Siebert, said, “Dan has a strong record serving institutional clients. His relationships and sales leadership will help us to deepen coverage, broaden distribution, and support origination across public and private markets. We expect his impact to be immediate as we continue to build out capital markets, research, and trading for institutional clients.”

“Dan’s appointment underscores our commitment to growing Siebert’s institutional capabilities,” said John J. Gebbia, CEO of Siebert Financial. “His track record and client focus will support our expansion into new verticals and our goal to deliver best-in-class solutions for clients.”

About Siebert Financial Corp.
Siebert is a diversified financial services company and has been a member of the NYSE since 1967, when Muriel Siebert became the first woman to own a seat on the NYSE and the first to head one of its member firms.

Siebert operates through its subsidiaries Muriel Siebert & Co., LLC, Siebert AdvisorNXT, LLC, Park Wilshire Companies, Inc., RISE Financial Services, LLC, Siebert Technologies, LLC, StockCross Digital Solutions, Ltd., and Gebbia Media LLC. Through these entities, Siebert provides a full range of brokerage and financial advisory services, including securities brokerage; investment banking and capital markets services; investment advisory and insurance offerings; securities lending; corporate stock plan administration solutions; in addition to entertainment and media productions. For over 55 years, Siebert has been a company that values its clients, shareholders, and employees. More information is available at www.siebert.com.

For media inquiries please contact:

Deborah Kostroun
dkostroun@zitopartners.com
1-201-403-8185

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/68bc3658-0007-48f9-a7a7-d35c2c54d373

FAQ

Who is Daniel Ondeck and what is his new role at Siebert Financial (NASDAQ: SIEB)?

Daniel Ondeck is the newly appointed Head of Institutional Sales at Siebert Financial. He brings over 20 years of experience in institutional sales and capital markets, previously working at FBR Capital Markets and B. Riley Financial.

What will be Daniel Ondeck's responsibilities at Siebert Financial (SIEB)?

As Head of Institutional Sales, Ondeck will lead institutional client coverage, coordinate with research and trading teams, and work with investment bankers on origination and execution of offerings across public and private markets.

What is Siebert Financial's (SIEB) strategy behind this appointment?

The appointment demonstrates Siebert's commitment to expanding its institutional capabilities, entering new verticals, and delivering enhanced capital market solutions for clients.

What is Daniel Ondeck's professional background before joining Siebert (SIEB)?

Ondeck served as an infantry Captain in the United States Marine Corps, holds a B.A. from Denison University, and held senior sales roles at FBR Capital Markets and B. Riley Financial.