Mr Olaya is the leader of the M&A practice at Estudio Muñiz and is ranked as a leading lawyer in Peru by the most prestigious global legal guides. He has been involved in the most significant transactions closed in the country. For instance, the purchase by Arca Continental of a participating interest in Corporación Lindley (US$760 million); the sale of Inkafarma, one of the largest drugstores in Peru, to Interbank (US$350 million) and the sale of the Wong supermarket chain to the Chilean Cencosud (US$500 million), among others in several sectors (fisheries, retail, construction, technology, food, etc). He has been the director of various important companies over the past few years, including Pesquera Diamante, one of the three largest fishing Peruvian companies. He is a member of the board of directors of Sky Airlines, since 2021; Industrias del Envase, since 2010 (the largest producer of packaging in Peru), Machu Picchu Foods, since 2010 (the leader manufacturer of chocolates), Oben Holding Group, since 2017 (the largest producer of films for the packaging industry); Agroindustrial Paramonga, since 2019 (leader in the sugar industry); and Terminal Portuario Paracas, since 2019 (a multipurpose port located in Southern Peru). Furthermore, Mr Olaya was a member of the board of directors of Delosi (2005–2020), the largest franchisor in Peru (KFC, Pizza Hut, Burger King, Starbucks). He is a well-known promoter in Peru of issues linked to compliance and corporate governance and a contributor to El Comercio and Gestión, the most important newspapers in Peru, and Semana Económica, the most influential magazine focused on economic and business issues.