Author of the book: "Gerencia Integrada de Campos de Hidrocarburos" en Julian Salazar Velasquez Oil & Gas Consultant. Instructor of the course of the same name. Petroleum expert with 44 years of experience in exploration, exploitation and management in the oil and gas industry, 27 years in Venezuela and 17 years in Mexico, in the disciplines of Geology, Integrated studies, Exploration and Exploitation of Oil and Gas reservoirs, leading multidisciplinary teams and assets management in the Western and Eastern Basins in Venezuela, and in the Sabinas, Burgos and Tampico-Misantla Basins in Mexico. Author of the book: "Gerencia Integrada de Campos de Hidrocarburos" published in Amazon since May 2020. Senior Executive with technical strengths in integrated management of oil and gas fields through multidisciplinary synergy of geology, exploration, reservoir engineering, drilling and work over oil wells, infrastructure and facilities, production and Health, Safety and Environment (HSE); as well as managerial strengths in leadership, teamwork-oriented, transferring education and know-how to junior professionals, creating and implementing innovative, technical and strategic ideas in order to ensure the technical quality to support increasing productivity, creating new opportunities, maximizing revenue and profitability of companies where I have worked. In Mexico, in MPG and IHSA companies, from their foundation in 2005-2007 to march 2020, I have been responsible for leadership positions as a Geology and Exploration Manager, Deputy Technical Director of both companies, and now as Team Leader of Integrated Studies, in which I have been contributing to significant achievements, such as: 1) Starting the exploitation of the Pirineos gas field and discovering and developing new fields. 2) I participated in the beginning of the development of the Nejo gas and condensate field, located in the Burgos Basin, and I also managed the discovery of the Lindero gas field and five new areas incorporated by exploration and appraisal activities. During that time, I contributed to the increase of the gas production from 23 MMCFD in 2007 to 226 MMCFD in 2014 (+882%) and of the condensate production from 1000 BD to 10,786 BD (+978%).