University of Pennsylvania President Amy Gutmann and David L. Cohen, chair of Penn’s Board of Trustees, invite Penn students, faculty, staff, alumni, trustees and friends, as well as the region’s business and tech community, to a ribbon-cutting and grand opening ceremony from 12:30 to 4 p.m. on Friday, Oct. 28. The festivities will mark the official launch of the new three-story, 58,000-square-foot Pennovation Center, which opened in September as Penn’s new hub for innovation and new business ventures at 3401 Grays Ferry Ave.