Havas Chicago has appointed Larry Gies as Chief Strategy Officer, adding the veteran strategist to its leadership team as the agency strengthens its strategic capabilities and creative offering. Gies joins Havas Chicago after spending 17 years at Energy BBDO, where he helped build the agency's strategy practice and contributed to several of its most recognised campaigns. With a career spanning more than three decades, he brings experience across global brand strategy, creative development and effectiveness-led marketing. Three Decades of Brand Strategy Experience Throughout his career, Gies has worked on strategies for some of the world's best-known brands. Earlier in his career, he contributed to the strategy behind Nike's 'Just Do It' platform and Miller Lite's 'Beer Wars' campaign in the US. He later worked on campaigns that helped position chewing gum within popular culture, further expanding his experience in building culturally relevant brand narratives. Building Award-Winning Work at Energy BBDO…