Siebert Financial Corp., which lost its CEO, the pioneering Muriel ‘Mickie’ Siebert, recently, named her replacement today.

The firm announced that it has appointed Suzanne Shank as acting CEO of the company and its wholly owned subsidiary, the discount broker/dealer and institutional investment bank, Muriel Siebert & Co., Inc., effective Sept. 16. Siebert, who was the first woman to own a seat at the New York Stock Exchange, died on Aug. 24.

Shank, a 25-year industry veteran, will also continue in her role as president and CEO of the municipal finance firm Siebert Brandford Shank & Co., LLC, which she co-founded with Siebert and Napoleon Brandford in 1996. She has a finance MBA from The Wharton School, University of Pennsylvania, and a degree in civil engineering from the Georgia Institute of Technology.

The firm says that she will outline her plans for the company in the coming months. “I am deeply honored to be named acting CEO of the company founded by Wall Street legend Muriel Siebert,” Shank said. “Mickie was not only a trailblazer on Wall Street but a wonderful partner, mentor and friend. Our partnership was extremely successful as we shared a penchant for sound business practices and integrity in the industry.”

The board of directors also named current board member, Jane Macon, as chairwoman, and it named Robert Mazzarella as vice chairman. Macon, a lawyer, became a director of Siebert Financial in 1996. Mazzarella became a director in 2004, he retired from Fidelity Investments Brokerage Services LLC in 2002, where he was president.