Announcement has been made of the engagement of Justine Nicole Frederick and Adam Holden Rosenburg, both of Philadelphia. A fall wedding in the Philadelphia area is being planned.

Frederick is the daughter of Tamara Vannucci Frederick-LaCerra and Michael Henry Frederick, Williamsport. She graduated from Loyalsock Township High School in 2005 and received a bachelor’s degree in fashion design from Philadelphia University in 2009. She is the owner of Vannucci LTD, a jewelry design and production business.

Rosenburg is the son of Barbara Ann (Frid) Rosenberg and Terry Sherk, Langhorne. He graduated from Council Rock High School in 1999 and received a bachelor’s degree in painting and illustration from Penn State University, Abington, in 2008. He is the owner of Intentio, an intellectual property illustration firm.