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Marvin Calpin currently serves as AVP Operations at Siebert Williams Shank since July 2021. Prior to this role, Marvin held the position of Assistant Manager of Customer Service at Muriel Siebert & Co., Inc. from March 2006 to November 2022. Marvin completed an Associate's degree in Audiovisual Communications Technologies/Technicians at the Institute of Audio Research between 1994 and 1995, and attended James Madison High from 1990 to 1994.