Celso David do Valle Celso David do Valle has been appointed as Managing Director of Palácio Tangará, São Paulo, an Oetker Collection property due to open in the second quarter 2017. Graduated from Cornell/CEATEL in Hotel Management, Celso has 30 years of experience as general manager with various companies, including resorts, business hotels and school hotels. His latest position was General Director at Belmond Hotel das Cataratas. Reporting to Frank Marrenbach, CEO Oetker Collection, Celso will be in charge of the opening of Palácio Tangará, the latest masterpiece of the Oetker Collection. Located in Burle Marx Park, a tropical forest, Palácio Tangará will be an ‘urban oasis’ in the middle of the financial capital of South America.