Creative Chemical Engineer - Ingeniero Químico Creativo

“ My goal is to use my technical and personal talents to get energy cleaner and more efficiently. ”

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

Teléfono - Phone

958070045 - 658610979


“There isn't great talent without great will and results.”


My personal talent - Mi talento personal.

Personality - Personalidad.


Capacities - Capacidades.


Skills - Habilidades.


Limitations - Limitaciones


“A man is only what he knows and what he knows is nothing but his talent.”


My technical talent - Mi talento técnico.

Adjusted professional balance.

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.

FORMATION - FORMACIÓN- Regulated or formal training.
Life must be a continuous formation.

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.

KNOWLEDGES - CONOCIMIENTOS- Non-formal training or Non-formal.
Investing in knowledge always produces the best returns.

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.

EXPERIENCE - EXPERIENCIA- Professional experience.
Much can be learned from small experiences.

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.

LANGUAGES - IDIOMAS- Language level.
Learning languages has many advantages.

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.

“The theory always ends up in the hands of experience.”


Work experience - Experiencia laboral.
TECHNICAL PROJECT MANAGER CTO-H2. - Director Técnico de Proyectos CTO-H2.
Planning, innovation and creative design.

Since 01/09/2019 I have held the position of Technical Project Manager of the Hydrogen Department at Hydrogen Clean Energy where my work focuses on planning engineering projects with a high degree of innovation and creative design. The key phases of my work are: - Process engineering: This is the moment when basic engineering is developed and evaluated. - Scope: At this stage you look closely at the technical teams that will be part of the process. - Necessary documents: All engineering projects must be supported by reference documents. - Basic engineering: a detailed description of the processes. - Distribution plan: the detailed description of limits, accesses, dimensions, etc. - Engineering management: use of all personnel and resource units to carry out and supervise operations.

TECHNICAL OFFICER CTO-H2. - Chief Hydrogen Technology Officer CTO-H2.
Technology-based business growth.

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.

CHIEF OPERATING OFFICER COO. - Director of operations COO.
Maximum efficiency at minimum cost.

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.

Vision and talent for the company.

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.

PRE PROFESSIONAL. - Before professional.
Share common goals.

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.

Working hard leads to success.

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.

“Researching, contrasting, calculating and organizing gives place to my work.”


What I'm good at - Lo que se me da bien.

Technological surveillance

Through an organized, selective and systematic process, I gather information from outside and from the organization itself about science and technology. After selecting it, it is analyzed and communicated in order to turn it into knowledge in order to make decisions with less risk and to be able to anticipate the changes.

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Hydrogen Station Design

Calculation and design of hydrogen service stations, in accordance with the general standards and those standards and regulations that particularly affect fuel supply service stations.

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H2 Pipe Design

I use formulas and programs to calculate fuel gas pipelines, determining diameter and pressure loss in hydrogen, butane or natural gas pipelines.

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Natural gas reforming

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.

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H2 tank design

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.

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Hydrogen Fuel Cells

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...

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Efficient production of hydrogen

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.

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Electrical calculations

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.

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Eolico Park

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.

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Solar park

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.

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Simulation of installations

Simulation of a hydrogenator, electrolyzer, discontinuous distillation, continuous rectification, stoichiometric reactor, Gibbs reactor, kinetic reactor, centrifugal pumps, compressors, cyclone, electrostatic precipitator and refrigeration.

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Business Models

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.

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My blog - Mi blog
Large hydrogen electrolyzer might head to Rockhampton, Australia

Large hydrogen electrolyzer might head to Rockhampton, Australia

Renewable H2 can be made at the present site of a central station in Australian state.Stanwell Corporation plans to put in an outsized H electrolyzer in Rockhampton, that is in central Australian state, Australia. this could modify renewable fuel to...

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Scaling up biomethane and H2 gas for decarbonisation

Scaling up biomethane and H2 gas for decarbonisation

A new study has been revealed to indicate the specified investments required to scale-up biomethane and gas to help the transition towards all-time low price climate neutral system by 2050. Gas Decarbonisation Pathway 2020-2050, revealed by the Gas for Climate...

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The hydrogen generated by the future Mallorca plant will be fed into the network to replace natural gas

The hydrogen generated by the future Mallorca plant will be fed into the network to replace natural gas

The Vice President and Minister of Energy Transition and Productive Sectors, Juan Pedro Yllanes, has signed the declaration of intent with the promoters (Cemex, Acciona, Enagas and REDEX) of the Lloseta hydrogen plant project, with the University of the Balearic...

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Kautex produces 320 litre hydrogen liner in blow moulding process

Kautex produces 320 litre hydrogen liner in blow moulding process

Kautex Maschinenbau blow molding consultants have successfully created a high volume polymer coating for extrusion blow molding of H pressure vessels. The coating has a length of 2 meters, a diameter of approximately 500 mm and a volume of 320...

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Scotland probes hydrogen potential

Scotland probes hydrogen potential

The Scottish Government has chosen engineering consultancy Arup to adopt an assessment of the capacityto apply hydrogen in the country's energy system. Scottish Government, runningalong Scottish Enterprise and Highlands & Islands Enterprise, has mentioned plans to assess the future use of hydrogen within the Scottish economic system and broaden a hydrogen motion plan and hydrogen policydeclaration. The gas, which may be decarbonised and also generated the usage of clean electricity sources, inclusive of wind, can potentially help Scotland achieve internet-0powerby way of 2045....

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New technology turns manure into atomic number 1

New technology turns manure into atomic number 1

A German company, Graforce, has developed a singular technology, known as plasmalysis, by that inexperienced atomic number 1 may be created from animal and excrement and renewable energy. Unlike typical ways, plasmalysis uses the chemical element and carbon compounds (e.g....

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“ Do you need a hand? Remember I have two!”

Contact Me

Contact me - Contactame

"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."