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Diego Zainos and Eduardo Sánchez Mejorada are Chemical Engineers from Universidad Anáhuac, with MBAs from Chicago Booth and IESE Business School, respectively, two institutions with strong track records in the SF model. They have known each other for more than 25 years and have long shared the ambition of building something together. Their complementary experience across strategy, operations, and finance led them to launch Protum Capital, with the aim of acquiring and operating a great business in Mexico. They are backed by Cerralvo Capital, Relay Investments, Vonzeo Capital, Spectra Investments, Istria Capital, Valmaris Private Investors, CompuSoluciones, Ventus Capital Partners, Mazal Capital, Alexander Kirn, Till Bossert, Brian O’Connor, Alfonso Blohm, Jose Pablo Fernandez, Gerardo Aboumrad, and Benjamin Estrella.
Diego Zainos is an investment professional with a strong background across PE, VC, and investment banking in Mexico and the US. He began his career at Advent International and Grupo Financiero Banorte before joining Alvarez & Marsal and then spending three years at Linzor Capital Partners. He subsequently joined IGNIA Partners as an Associate, gaining further experience in private equity and portfolio companies, including as a Board Observer at Farmashop and UTEL Universidad. Most recently, while pursuing his MBA, he gained further investment experience as a Summer Associate at PSP Partners.
Eduardo is a Mexican investment and strategy professional with a background spanning management consulting, PE, and entrepreneurship. He began his career at Sora Capital as an Analyst before joining Bain & Company, where he spent more than two years as an Associate Consultant and was promoted to Senior Associate Consultant. He subsequently took a two-year career break to pursue an MBA at IESE Business School, before returning to Bain in 2024 as a Consultant. Eduardo also co-founded Tich Mexico, giving him early entrepreneurial experience alongside his professional career.
They are looking to acquire an established Mexican business with EBITDA above US$1M, margins of at least 15%, and an enterprise value of up to US$30M. They favor businesses with recurring or repeatable revenues, low capital intensity, manageable operational complexity, and durable competitive advantages, particularly in fragmented and non-cyclical industries. While industry is secondary, they place significant importance on the quality and long-term potential of the business, as well as on finding owners who are open to a transition through succession, retirement, or a liquidity event and who value having a committed, hands-on partner to take the business into its next phase.
