Senior management
Juan Carlos Perez Ferretti
Chief Executive Officer
Mr. Pérez-Ferretti has extensive experience from the shipping industry and has been with the Ultranav group since 1994, coming from the cabotage subsidiary Antares Naviera in Argentina, where he was Senior Vice President. He has been in Chile since 2005, taking different management positions in cabotage trades, gas, clean petroleum products and chemicals, and in 2020, he was promoted to CEO of Ultratank. Mr. Perez-Ferretti graduated from the blue MBA in 2021, the executive MBA program from Copenhagen Business School. Mr. Perez-Ferretti is an Argentinean citizen and resides in Montevideo, Uruguay.
Maximiliano Abadie
Senior General Manager – Head of USA
Mr. Abadie joined the Ultramar group in Buenos Aires in 2003 initially as a Trainee in the Freight Forwarding division and then worked as Ship Operator in the Agency Business. In 2011, he joined Ultranav and relocated to Santiago, where he gained extensive experience in shipping, working first in Operations for the clean tankers and then in Chartering for the chemical operation. In 2019, Mr. Abadie was appointed Head of Chartering for Chemical Tankers. He holds a Bachelor in International Relations and a Master in Business Administration. Mr. Abadie is fluent in English, Spanish, Portuguese and German. He is an Argentinean citizen and resides in Houston with his family.
Juan Pablo Guidugli
Senior General Manager – Head of Commercial
Mr. Guidugli joined the Ultranav group in Chile during 2005 where he gained extensive experience in shipping working in different positions in tankers, chemicals and gas. In 2012, he relocated to Denmark to lead the chartering desk of Ultragas ApS and in 2018 was appointed Chief Commercial Officer. In January 2021, he relocated back to Chile where he joined Ultratank as Head of Projects and Business Development. Mr. Guidugli holds a Master in Industrial Engineering and an Executive MBA, and most recently he finalized the Management Acceleration Program at INSEAD School in France. Mr. Guidugli has dual Italian/Chilean citizenship and resides in Santiago with his family.
Italo Rubio
Technical Manager
Mr. Rubio joined the Ultranav Group through Humboldt Shipmanagement in 1995 and accumulated more than a decade of seagoing experience on chemical tankers. In 2008, he transitioned to shore-based operations, joining Ultranav as an Operator in the Clean Product Fleet. Over the years, he has held a number of leadership positions, including Head of Operations for both the Coastal and Chemical Tanker Fleets. Since 2023, he has served as Head of the Technical Department at Ultratank, where he oversees the company’s technical and fleet management activities. Mr. Rubio holds a master’s degree in industrial engineering and lives in Chile with his family.
David Lara
General Manager – Head of Operations
Mr. Lara joined the Ultranav group via Humboldt Shipmanagement in 2007, where he gained extensive onboard experience handling the operation of LPG, chemicals, CPP, DPP vessels, carriers as Junior and Deck Officer. In 2013, Mr. Lara joined the Ultranav office as an Operator in the Cabotage fleet. During his career, he has been Operator and since 2022, Head of Operations of Chemical Fleet, where he oversees the Operational Team of Chemical Tankers fleet. Mr. Lara studied Naval Engineering at Universidad Austral de Chile, recently he finalized the Business Administration and Executive MBA program at Universidad Andrés Bello and resides in Chile with his family.
Mathias Dümmer
Head of Business Support
Mr. Dümmer joined the Ultranav Group in Santiago, Chile, in 2017 as a Business Analyst, supporting the Group’s different tanker divisions. Since 2020, he has focused exclusively on the chemical tanker business at Ultratank, and in December 2022, he was promoted to Senior Market Analyst. In August 2026, Mr. Dümmer was appointed Head of Business Support. He holds a degree in Business Administration from Universidad de Chile and is fluent in English, Spanish and German. Mr. Dümmer holds dual German and Chilean citizenship and resides in Santiago, Chile.
Daniel Bianchi
Head of Chartering South America
Mr. Bianchi began his career with the Ultramar Group in Chile in 2013, representing Wan-Hai Lines in the commercial sector after several years in the freight forwarding industry. In 2014, he transitioned to Ultranav, where he initially worked as a chartering assistant in the chemical operations division and later advanced to Senior Chartering Manager. In 2024, he was promoted to Head of Chartering for ECSA, based in Uruguay. Mr. Bianchi holds a bachelor’s degree in international relations and is fluent in Spanish, English, and Portuguese. An Argentine citizen, he currently resides in Montevideo with his family.