Stanley completed his undergraduate studies at Tulane University in New Orleans, Louisiana. He is Chairman of Copa Holding (NYSE CPA), ASSA Group, as well as Inversiones Bahia, Ltd., a diversified holding company in Central America with investments in finance, media, retail and distribution sectors. Stanley is the Director of Banco General, Televisora Nacional, and several other companies. Over the past three decades, he has expanded his organization throughout Latin America, emphasizing the need for corporate social responsibility. He is Chairman of Sumarse, an organization for the promotion of CSR. He is Trustee of ANCON, a nonprofit organization dedicated to conserving biodiversity and the innovative City of Knowledge in Panama.
He is also Founder and Trustee of the Central America Leadership Initiative (CALI), chairman of the Advisory Board of INCAE, and member of the Advisory Board of IESE Business School in Barcelona, Spain. Additionally, he is a board member of the Trust for the Americas associated with the Organization of American States, was honored with the Americas Society Gold Medal 2010, and distinguished with the Wilson Award for Corporate Citizenship 2016 by the Woodrow Wilson Center. Stanley was also Chairman of the Regional Interoceanic Authority (ARI), the Panamanian government entity that received and managed the assets that were not part of the Panama Canal operations as a result of the Torrijos–Carter Treaty between the United States and Panama.