Roberta "Bert" M. Mostovoy, age 83, of Garnet Valley, PA passed away on November 28, 2022 at ChristianaCare Hospice in Newark, DE. Born to Louis and Minerva Kazen Kaplan in Philadelphia, PA, Roberta has resided in Garnet Valley for the last 17 years, previously residing in Wilmington, DE for 36 years. She was President of Electronics Exchange Corporation. Bert enjoyed sewing and owned a children's clothing company, Jana's Nana. Most of all she loved spending time with her family, especially at their Jersey Shore summer home. In addition to her parents, Roberta is preceded in death by her granddaughter, Jana Wierzbowski, who passed in 2017. Roberta is survived by her loving husband of 63 years, Stanley Mostovoy, daughters; Jodi (Mark) Wierzbowski and Jill (David) Gonczi and a grandson, Benjamin Gonczi. Services will be private. Online condolences may be made by visiting www.paganofuneralhome.com.