Jason Cieslak is Global President of Siegel+Gale, a global brand consultancy built on the belief that simplicity is a competitive advantage. In his role, he oversees global client relationships, thought leadership, and operations across major markets.

With over two decades of experience, Jason works with global organizations to cut through complexity—helping them build clear, compelling brands that earn trust and drive measurable business impact. His work spans industries and geographies, partnering with brands like Google, Microsoft, and Disney to shape brand strategy, identity, and experience at scale.

Jason is a frequent contributor to top-tier publications and a sought-after speaker on the intersection of brand, financial services, and growth.