Public finance veterans Marvin Markus and Mark Liff join Siebert as managing directors to focus on expanding the firm's infrastructure and higher education practices.
"As we continue to strengthen our national platform, I am delighted to have Gary serving as president of the infrastructure and public finance department," Suzanne Shank said.
Apollo will make an equity and credit investment that will significantly increase SWS’s underwriting capacity for municipal and corporate debt, as well as equity offerings, the firms said.