 NEW YORK, April 13, 2021 GLOBE NEWSWIRE -- StepStone Group Inc. Nasdaq: STEP, a global private markets investment firm, announced today the appointment of Valerie G. Brown to the companys Board of Directors, effective April 12, 2021. This is a newly created directorship and expands the Board to 11 members. Ms. Brown will be the Boards third independent director and will serve on the Audit Committee. 