Management

Mr Arnaldo Calbucci holds a degree in Naval Engineering from the Polytechnic School of the University of São Paulo and brings over 40 years of experience in the Brazilian maritime and port sector. He began his career at Wilson Sons in 1980 as an intern and has served as the Company’s Chief Operating Officer since 2020. Mr Calbucci played a key role in the creation of the Company’s offshore support vessel division in 2003 and was instrumental in positioning the Wilson Sons shipyard among Brazil’s leading shipbuilding facilities. In addition to his executive responsibilities, Mr Calbucci currently serves as Vice-President of both the National Union of Port Support Navigation Companies – SINDIPORTO and the National Union of the Shipbuilding and Offshore Construction Industry – SINAVAL. He is also a member of the Board of Directors of the Merchant Marine Fund – CDFMM and of the Board of the Brazilian Association of Container Terminals – ABRATEC. In recognition of his contributions to the industry, he was awarded the Tamandaré Merit Medal by the Brazilian Navy.

Mr Gustavo Machado holds a degree in Naval and Oceanic Engineering from the Polytechnic School of the University of São Paulo and a Master’s degree in Shipping, Trade and Finance from The City University Business School in London, where he was a Chevening Scholar. He began his career in container shipping in 1994, with positions at Crowley American Transport and ZIM Lines, and joined Wilson Sons in 2003. He was appointed Director of Towage and Offshore Vessels in 2005, playing a key role in the Company’s maritime services expansion. He is currently the Executive Director of Wilson Sons Ultratug Offshore, a joint venture with the Ultranav Group, and has led the business since its formation in 2010, overseeing its growth to a fleet of 23 vessels. He brings more than 30 years of experience in shipping and maritime logistics, with deep expertise in fleet management, operational efficiency and strategic partnerships.

Mr. Michael Robert Connell graduated in Commerce Accounting from the University of Newcastle, Australia. He is certified as a Certified Practicing Accountant (CPA) and has extensive experience in all areas of finance and investment valuation for large companies. Michael’s career spans four continents, focusing on major debt and equity transactions in infrastructure, real estate and airport areas. Currently, Michael also holds Wilson Sons treasury responsibilities , is a member of the Argonáutica Board of Directors and is an alternate member of the WSUT Board of Directors.

Previously, Michael worked at the British Airport Group BAA.