About Us

Our Firm

Siebert Cisneros Shank & Co., L.L.C. is a full-service investment banking and financial services company, founded in 1996. We provide municipal and corporate investment banking, fixed-income and equity sales and trading, corporate share repurchase, mergers and acquisitions, and advisory services.

We work with a broad range of clients nationally, including corporations, governments, and institutions, providing comprehensive financial advisory, capital raising and risk management guidance with the mission to afford the highest level of value-added services to our clients.

As a smaller specialty firm we strive to provide a personal, focused approach and the dedicated support you cannot find in larger firms.

In addition to being a majority woman-owned firm, Siebert Cisneros Shank has one of the most diverse banking teams in the industry (including approximately 57% minority employees). Additionally, Siebert Cisneros Shank possesses one of the strongest capital bases for a firm of its size and boasts a team with substantial experience gained from long-standing tenures at many of the leading investment banking firms on Wall Street.


Leadership and History

Suzanne Shank is the Chairwoman, CEO, founder and majority owner of the firm. Additional stakeholders of Siebert Cisneros Shank & Co., L.L.C. are Henry Cisneros, Chairman of the Executive Committee and Principal, William Thompson, Jr., Chief Administrative Officer, Gary Hall, National Head of Investment Banking, and Sean Duffy, Managing Director and Head of Institutional Sales.

Siebert Cisneros Shank & Co., L.L.C. was originally founded in 1996 as Siebert Brandford Shank & Co., L.L.C., by Suzanne Shank, the late Muriel Siebert and Napoleon Brandford, III (retired).

In November 2014, with the acquisition of Siebert Capital Markets, Siebert Cisneros Shank expanded its services from municipal investment banking to include debt and equity underwriting, investment banking and execution services.

The firm employs more than 80 full-time employees and has offices across the nation and Underwriting, Sales & Trading desks in New York City and Oakland, California.