Mesirow, a financial services firm, has added Steve Simon to Mesirow Investment Banking as a vice president.

In his new role, Simon will serve clients in the aerospace and defense, commercial outer space, and industrial sectors. Before his time with Mesirow, Simon served as an associate in Lincoln International’s capital advisory group.

“Steve’s expertise in rocketry and outer space exploration will help strengthen Mesirow’s position in the aerospace & defense sector and help serve a wider range of clients as the commercial outer space industry grows in the years to come,” Brian Price, president and COO of Mesirow Investment Banking.