Stelac Advisory Services LLC | 940 followers on LinkedIn. Stelac is a multifamily office registered as an investment advisor with the SEC with presence in New York, Miami, Lima, Monterrey, Bogota and Madrid. Since 2007, the firm acts as an independent and unbiased intermediary between clients and their universe of financial institutions by offering objective investment advice. The firm's diverse team consists of strategists, economists, bankers and portfolio managers with extensive experience in all market environments.