Clay Markham, AIA, LEED AP BD+C, joined RATIO Design as a Principal and senior member of our Hospitality and Mixed-Use Practices. Most recently with CallisonRTKL, he has over 40 years of experience in hospitality design and delivery around the globe. His successful management approach across architecture, interior design, and construction management has resulted in award-winning projects for clients and brands such as Hyatt, Marriott, IHG and MGM Mirage.