Our leadership team

  • Founder & CEO

    Sebastean Leoni is an Argentine-American business executive. He is CEO and Founder of Kamba Group LLC. He was Head of Sales and Marketing at IPREO/IHS Markit and CRO at Demyst until 2019 before returning to the company to transform the consulting model into today’s STP Marketplace. Prior to funding Kamba in 2011, he held executive positions at Bloomberg as Head of Sales for BLAW and Vault and was responsible for regional sales teams. Before moving to the US in 2002, he was VP at the Special Business’ division of BofA. Leoni graduated from IAE University in Argentina with a degree in Finance.

  • CTO

    Federico Halperin is a software engineering veteran and the Founder and CEO of Kubikware, a 3-time Inc. 5000 honoree digital agency specialized in web and mobile app design and development. He is a US Patent holder that has participated in hundreds of digital projects and has advised numerous boards. Prior to Kubikware, he worked at Wunderman as part of the CRM team for Ford in Argentina. He holds a BS in Information Systems Engineering from the National Technological University.

  • General Counsel

    Stefanie Schmidt is a German-American early-stage technology investor, consultant and attorney with extensive experience advising global companies on legal and compliance matters. Stefanie has served on executive teams as General Counsel and Chief of Staff, advising Founders and Boards of Directors. Stefanie was a senior associate at Weil, Gotshal & Manges LLP. She has been published by the American Banker and spoken at the World Bank and Harvard University on data privacy, compliance, and legal matters. Schmidt graduated cum laude from Middlebury College and received her JD from St. John’s University School of Law.

  • Strategy

  • Investor & Advisor

    Sebastian J Gunningham is an Argentine-American business executive. He is chairman of Santander Consumer Finance and vice-chairman of Openbank. He was the Co-CEO of WeWork until April 2020, a role he held since September 2019. Gunningham was also an SVP at Amazon from 2007 through 2018 and a member of the Amazon executive S-Team. Prior to Amazon, Gunningham had held executive positions as a VP at Apple and a SVP at Oracle, as well as the CEO of Peace Software. Gunningham graduated from Stanford University with a degree in Mathematical Sciences.

  • Investor & Advisor

    Jean-Louis Lelogeais is Co-Founder of PEO Partners, a liquid private equity alternatives platform. He is also a Senior Advisor at SVP Global, a leading global distressed debt and restructuring firm, which he co-founded in 2001. Prior to founding SVP Global, he held a number of senior positions at Moore Strategic Value Partners and Chase Manhattan, and he was a Partner at Booz Allen & Hamilton. Mr. Lelogeais received an MS in Engineering from the Ecole des Mines and an MS in Management Sciences from M.I.T.

  • Investor & Advisor

    Nexus Partners is a US investor, general partner and manager of a portfolio of companies with over 5000 employees and company value in excess of $500MM. Current portfolio companies include investments in retailing, health care services, education, teleco, water treatment, food service, media and industrial laundry. Marco Viola is a Managing Partner and founder of Nexus Partners. MS, M.I.T. Sloan School of Management (1990); BS, Facultad de Ciencias Económicas of the Universidad de Buenos Aires (1987)

Our DNA

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