Hello dear Sir or Madam! My name is Juan Antonio and I am a Chemical Engineer with an entrepreneurial spirit. My passion is hydrogen as a clean energy source and I am very interested in developing my profession in a creative and innovative environment. For this reason I am applying for jobs where I fit my profile.
My great interest in the renewable energy and energy efficiency sector, together with the affinity of this sector with my skills and training, accredit me as a candidate for professional positions. Without further ado, I would like to thank you for your attention and interest in me, and I would like to take this opportunity to greet you very sincerely.
Juan Antonio Roldán Gracía
Pablo Picasso 4 18151 Granada
958070045 - 658610979
My professional career is moving in the right direction to make me a person balanced in knowledge and experience. This is my personal goal.
In particular, I strive to continually expand knowledge, improve my practical application skills, and form my own critical opinion.
I am currently specializing in hydrogen, innovation, creativity and entrepreneurship. I finished my degree and master's degree in Chemical Engineering at the University of Granada. I passed the baccalaureate in nature sciences and health and the rest in a public school. Expand information here.
I am always willing to learn new things in subjects related to my profession, preferably from the hand of professionals and companies in the sector. I have a curious attitude towards scientific and engineering subjects. Expand information here.
I am not afraid to make mistakes and learn from my mistakes, each stage of my formation is accompanied by another stage of experience and reflection on what I have learned. I use experience to make judgments and make prudent decisions. Expand information here.
Being able to communicate with people from other countries and in other languages is fundamental for me, that's why I'm always in continuous training. Learning languages helps me to open my mind and make better decisions in my work. Expand information here.
Desde el 23/10/2018 I held the position of director of the hydrogen department in Letter Ingenieros where my main functions are to implement and develop the technical strategy, as well as to check the correct functioning of the systems to obtain a better final product. In this position I am mainly involved in my capacity for analysis, strategic planning, communication and leadership.
Since 12/01/2016 I have held the position of Director of Operations at the company Sonrisas Musicales where my main functions are to establish the market strategy, ensure the proper development of the activity and manage internal resources. In this position I am mainly involved in strategic planning, communication and leadership.
From 2014 to 2016, I was executive director at Eden Hogar where I and the director of the company created the vision and strategy of the company through the business model, as well as the definition of the work methodology and the motivation of the team.
My pre-professional experience is wide, the last jobs I have had have been in the companies Burger King and Kinépolis where I have worked in teams and have held various positions. In another area of work is my experience as a teacher of private classes for the subjects of mathematics, physics and chemistry.
In my daily work I am very tidy, I like to set goals at the beginning of the day and execute the action plan with discipline. I try to create a productive working environment and be a good teammate.
Success is my main objective, so I strive to have a broad vision of the problems, to have clear what my abilities are and to be constant in my work.
The reforming of natural gas by means of water steam is the cheapest and most widespread method of obtaining hydrogen. This process is based on the reaction of methane with high temperature water vapour on a catalyst bed.See more
There is currently a great diversity of hydrogen storage systems, each with its advantages and disadvantages for each use. Hydrogen pressure gas, liquid hydrogen, hydrogen absorbed by metal hydrides.See more
A variety of fuel cells exist at different stages of development. The most common classification of fuel cells is based on the type of electrolyte: PEMFC, AFC, PAFC, DMFC, MCFC, SOFC...See more
High temperature thermochemistry allows to obtain hydrogen and oxygen in an efficient way with high profitability. Project for a production plant for H2 and O2 from H2O.See more
Calculations of power, voltage and intensity needs. Dimensioning of power, load and lighting lines. Electricity bill and energy saving. High, medium and low voltage regulations and legislation.See more
Calculation of the wind speed at the hub height of the wind turbine. Calculation of the distribution of Weibull and rose of the rose of the winds in each one of the stations. Calculation of the annual energy available in each of the stations. Selection of the best location.See more
Distance Earth-Sun. Solar Declination. True solar time. Hourly angle. Solar zenith angle. Solar azimuth angle. Length of the day. Time of sunrise and sunset. Maximum consumption. Efficiency of the converter. Safety coefficient. Current intensity. Certify the operation of the installation.See more
Simulation of a hydrogenator, electrolyzer, discontinuous distillation, continuous rectification, stoichiometric reactor, Gibbs reactor, kinetic reactor, centrifugal pumps, compressors, cyclone, electrostatic precipitator and refrigeration.See more
Business model canvas, disaggregated business model, long tails, short tail, free and premium, multiclient and multi-market, opens source, open business. Empathy maps, SWOT graphics, Porter, Pest. Pivoting the business model. Innovation techniques: Speed thinking, brainstorming.See more
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"You can find me in the city of Granada, province of Andalusia. If this city is a little far away you can contact me through my social networks or leave a message on this contact form and I will respond as soon as possible, a greeting."