Board Members

Claudia Rojas


​Claudia Rojas is a Colombian native with a Master’s Degree in Marketing and 22 years of Sales and Marketing experience in the Latin American Region. She is a founding board member and the Executive Director of the Colombia-Texas Chamber of Commerce. Claudia has a significant devotion to the promotion of business, culture, education and charitable projects between Colombia and the United States. Claudia worked for four and a half years for the Government of Colombia Trade Bureau (Pro Colombia) as Executive Regional Representative, promoting Colombia’s exports, foreign direct investment and tourism. Previous to that, she worked for IBM Andean and Compaq Latin America, responsible of Global Accounts. Claudia is a member of the Houston Mayor’s International Trade and Development Council (MITDC-Americas), Pro Panama Board of Directors, and the advisory board of the World Chamber of Commerce of Texas.

Juan Felipe Arjona

Vice President 

Juan Felipe Arjona is the Corporate New Ventures and Technology Manager for the Offshore Business Unit at Technip. Mr. Arjona has worked for Technip for over 15 years, in various roles covering Information Technology, Corporate Strategy, Technology Investment, Business Development and New Ventures.  Throughout his career, Juan has worked in Colombia, the US and France.   Juan holds a MBA from the HEC School of Business (Paris) and a Civil Engineering degree from the Universidad de Los Andes (Colombia).

Tim Tirlia

Vice President

​Tim Tirlia has a B.S. in Petroleum Engineering degree from Marietta College in Ohio as well as an MBA from ST. Thomas University in Houston, Texas. He has worked for Anadarko for 18 years as their International Exploration Drilling Manager in which his group manages the land, shallow water and deepwater global exploration drilling operations. Throughout Tim's career, he has worked or managed drilling operations in 7 US States and 16 countries. Tim is on the 2014 steering committee for the Colombia Oil & Gas Summit and Exhibition and is an active member of the Board of Directors for the Colombia Texas Chamber of Commerce.

Luis Germán Bustamante

Vice President

​Since 1993, Luis Germán Bustamante has successfully been leading oil service companies in Latin America, developing projects with major carriers in the continent. He is founder and president of Indequipos Group, an Oil & Gas production and marketing company for goods and services worldwide. Bustamante is characterized by his natural sense of entrepreneurship and passion for his job to promote and lead business projects throughout the Americas. Bustamante has a Master’s in Business Administration; He is The Vicepresident and board member of the Colombia- Texas Chamber of Commerce and member of the Colombian Chamber of Goods and Oil Services. Bustamante has over 20 years of experience giving him a firm grasp of the current and not so current news in the Oil & Gas field. Alongside his job, he is also highly committed to preserving the integrity of our environment while encouraging the enhancement of the oil sector.

Francisco Vives

Vice President

Francisco Vives is an International Attorney with significant experience in handling all aspects of business development and contract negotiations in Latin America and the U.S. Foreign Legal Consultant with experience in cross-border negotiation and corporate consulting who has directed and successfully coordinated projects in the U. S., Colombia, Mexico, Brazil, and Central America. With an outstanding educational background including a Masters degree in International & Economic Law from the University of Houston; a specialization in Contracts from Universidad El Externado and business management and Juris Doctor from Universidad del Norte in Colombia. Mr. Vives has been also an adjunct Professor of Law in the University of Houston.

Pablo C. Ferrante


​Pablo C. Ferrante is a founding board member of the Colombia-Texas Chamber of Commerce. Pablo is a partner Mayer Brown Corporate & Global Energy practice groups. Pablo advises clients in structuring, negotiating and documenting global corporate and energy transactions, with focus on Latin America. He has extensive experience representing oil gas companies on domestic and cross-border projects, mergers and acquisitions. He has also significant experience in representing financial institutions and companies across a wide range of industries in cross-border financings and business transactions across Latin America, as well as advising companies on compliance with anti-corruption and embargo laws. Pablo has been activily representing Colombian companies doing business in the United States, as well as representing major international companies doing business in Colombia. He has being involved in several of the major transactions and infrastructure projects in the energy industry in Colombia in recent years.

​Rafael Carsalade 


 Rafael Carsalade is the International Tax Director at PKF Texas.

Johnny Minervini


Johnny Minervini is the President of ​7 Seas Energy.

Brian Hottman


Brian Hottman is the Business Development Director for the Geotechnical and Survey Division of Fugro out of Houston, Texas, Mr. Hottman relies on a variety geotechnical and geophysical skill sets.  In the beginning of his career, Mr. Hottman began as a Geophysics Technician at WesternGeco on one of their marine vessels. After several years offshore he moved to the processing center where he expanded his processing skills. Later in his career moving up within the company to the geophysical supervisor.  During that time, Mr. Hottman lead the geophysical division with as many as 8 survey vessels and over 140 crew members. Since joining Fugro, he has concentrated on developing business and opportunities for the geophysical and geotechnical division out of Fugro USA’s corporate office. He is also been tasked with the new role of manager of Fugro Colombia office.

Marcela Pisciotti


Marcela Pisciotti joined Coremar in 2012 as responsible for the entire operation, which includes three business units: A multipurpose cluster in Barranquilla, conformed by: Palermo Port Society, a liquid terminal, a free trade zone with an area of 30 hectares, and an industrial park. The offshore unit, a Colombian leader in offshore operations with supply vessels and specialized onshore bases; and last but not least, the Harbour operations unit, in association with Ultramar operates the  leader company in Colombia with presence in all the Colombian terminals.
Among her main professional experience can be highlighted: BIOFILM S.A., Administrative and Financial Vice President; DIACO S.A., Administrative and Financial Manager; SIDELPA S.A, General Manager, between others.
Marcela is an Industrial Engineer, Specialist in Finance of Andes University, and has a Magister in Economy of Javeriana University. With more than 20 years of solid experience in Corporate Finance, and the General Management of several companies; has led work teams with a clear orientation or focus on results.