Brieane Olson knows how to throw a book launch party. The chief executive officer of Pacsun brought together around 150 of her friends, colleagues and partners for an evening of cocktails, dinner , conversation and a private tour of the Costume Art exhibit at New York’s Metropolitan Museum of Art Thursday night. Olson was celebrating the official launch of her first book, “ Co-Created: The Cultural Strategy That Redefined Pacsun. “ The book, which was officially released May 12, traces how Olson, who joined the retailer in 2007 and was elevated to the top post in 2023, transformed the company by embracing its Gen Z consumer base. Her strategy is centered around building what she describes as a “purpose-driven” company at the intersection of fashion, music, art and sport — all categories important to today’s youth.  You May Also Like One of the key partners in the retailer’s transformational journey has been the Metropolitan Museum of Art .…