Chicago — ShopCore Properties, an affiliate of Blackstone, has named Lauren Holden as executive vice president and chief operating officer and Jessica Zaski as executive vice president and chief transactions officer. Holden joins the company from Clarion Partners, where she was head of asset management. Zaski previously served as senior vice president and co-head of acquisitions for Acadia Realty Trust. Additionally, the company will be taking on the management of 52 shopping centers for Blackstone. These grocery-anchored centers were recently acquired by Blackstone Real Estate Income Trust.