{"id":23,"date":"2024-10-16T14:21:39","date_gmt":"2024-10-16T12:21:39","guid":{"rendered":"https:\/\/www.salvadorcastillo.net\/en\/?page_id=23"},"modified":"2026-04-09T09:08:41","modified_gmt":"2026-04-09T07:08:41","slug":"welcome","status":"publish","type":"page","link":"https:\/\/www.salvadorcastillo.net\/en\/","title":{"rendered":"Welcome"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><a href=\"https:\/\/www.salvadorcastillo.net\/es\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ir a esta p\u00e1gina en castellano <img decoding=\"async\" class=\"wp-image-1721\" style=\"width: 30px;\" src=\"https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Flag-of-Spain.svg\" alt=\"Spanish language\"><\/a><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Optional: listen text-to-speech using the voices already in your device<\/summary>\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p id=\"msg\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"option\">\n\t\t<label style=\"font-size: 70%\"; for=\"voice\">Choose your voice<\/label>\n\t\t<select name=\"voice\" style=\"font-size: 70%\"; id=\"voice\"><\/select>\n\t<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div id=\"controls\">\n    <label style=\"font-size: 70%\";  for=\"voice\">Choose the speed<\/label>\n      <select id=\"speed\">\n    <option style=\"font-size: 70%\"; value=\"0.7\">Slow<\/option>\n    <option style=\"font-size: 70%\"; value=\"1\" selected>Normal<\/option>\n    <option style=\"font-size: 70%\"; value=\"1.3\">Fast<\/option>\n  <\/select>\n    <\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div>\n\t<p style=\"font-size:70%;\"><small><i>\n\tThis feature makes use of the Text-To-Speech capability as you have it already installed and configured on your own device. You will see that there are some voices that are not so good, choose from the list if you have a chance.\n\t<\/i><\/small><\/p>\n    <\/div>\n    <div>\n  <button style=\"font-size: 18px\" id=\"startStop\">Optional: read aloud and scroll automatically<\/button>\n    <\/div>\n<\/div>\n<\/div>\n<\/details>\n\n\n\n<p>Welcome to Salvador Castillo&#8217;s professional website. In this website I share aspects of my work experience, my professional concerns, new learnings and perhaps, also, some plans for the future.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Brief summary of my professional career<\/h2>\n\n\n\n<p>If I had to define colloquially how my professional career has been so far in as few words as possible, I would use \u201cadjustment variable\u201d. In the various working groups I have been part of, it has been customary for me to be in charge of the area in which none of the group members had any remarkable knowledge. In this way we preserved the overall efficiency of the group &#8211; since the other members worked in what they were specialists in. This has led me, over time, to learn aspects of accounting and finance, marketing and sales, making commercial contracts, or digital design, among other things.<\/p>\n\n\n\n<p>Being comfortable with change may be a consequence of never having pursued the career that corresponds to my academic degree. After obtaining a Master&#8217;s degree in Applied Physics, my first job was, still at the dawn of the internet, to make an eCommerce programming in a language I didn&#8217;t know using a very new database at that time. Then I worked in mobile telecommunications, and later on in smartphone software when the first iPhone was launched. After a brief stint in Fintech, I am now focused on developing a technological, legal and process solution for the Third Sector, focused in Juvenile Justice. Before each career leap I had no prior knowledge of the area I was going into. For me, studying in the afternoons what I will need to produce during working hours is something I have absolutely normalized and assumed.<\/p>\n\n\n\n<p>A direct consequence is the absence of a career path limited to specialization in a specific business area. On the other hand, I find it very interesting to acquire knowledge and experience in very different sectors and synthesize them to solve and advance the challenges that arise. I think I am reasonably good at \u201cthinking outside the box\u201d because I am not clear about which box I am in, and by my own professional deformation I bring points of view from other sectors to situations that at first seem unrelated. Consulting is a demanding career with long hours, but in return it is difficult to get bored if you are intellectually restless. There is always something new to learn that is applicable to the task at hand.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Doer, Driver, Dreamer&#8230; Doer.<\/h2>\n\n\n\n<p>Initially I was what is called a \u201c<em>Doer<\/em>\u201d. My initial assignments were to develop\/configure the system or program that occupied me at the time. The requirements were more or less concrete and the time estimation of each task was at most in the range of hours or very few days. The natural evolution led me to become a systems analyst, systems architect -where several systems are already integrated with each other- and the time range was in the range of days\/few weeks. The path to Team Leader, Project Leader and Manager involves assuming progressively more management and planning tasks and, therefore, to substantially delegate production tasks to other supervised colleagues, in a subtle transition to the role of \u201c<em>Driver<\/em>\u201d. The range of time on tasks became weeks\/few months. When I was invited to co-found a technology company in the USA, I jumped to the role of \u201c<em>Dreamer<\/em>\u201d: as Director &#8211; Vice President I had to find strategic solutions to situations where there were no references to rely on, as intrinsically corresponds to an innovation startup. The time frame for decisions is years. And there is little margin for error.<\/p>\n\n\n\n<p>Moving up the career ladder is a double-edged sword. Not so much because a promotion implies an increase in responsibility; acquiring new responsibilities has never been a problem, but rather a necessity to keep me focused. The part that I think is less good about career advancement is the decrease in independence to produce actual product tangibles. No doubt that managing 360\u00b0 to large teams is a complicated task. Presentations to clients\/investors are stressful times. Keeping a company operational is a major legal responsibility. Strategic discussions are crucial to a company&#8217;s viability. And in doing all that, you get away from production and become a more senior manager. Gradually you generate more bottom-up dependency with the teams -which are the ones that produce the product- that offsets the top-bottom dependency intrinsic to a hierarchical structure. And when a developer, for example, is the only one who knows how to program a fundamental element of the company, or who treasures the knowledge of an architecture, or who owns a crucial interface, then the pressure and demands change sides. And hiring an overlap is often not feasible, or at other times not advisable for the sake of maintaining a good working environment. Having the ability to directly manage such key elements of the company&#8217;s infrastructure, definitely not at the same level of detail, but enough to maintain them while a replacement arrives, rebalances the board and avoids conflicts.<\/p>\n\n\n\n<p>Therefore, and learning from lessons in past lives, in recent years I have decided to take the reverse path to the original, so that I have re-acquired direct production capabilities, while maintaining my skills as a strategist, manager, salesperson and supervisor. My goal is to delegate 80% of the work in each area and maintain a direct mid-level overview of production tasks. I have seen prestigious CTOs of multinational companies attending technical project follow-up meetings. It is not micromanagement. It is just cultivating production capacity and maintaining independence of action, while minimizing risks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Logo \/ Coat of Arms<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2026\/03\/Logo_salvadorcastillonet_nobackground_color_bump_wider_nohelmet_v2_1080x1080-tinified.png\" alt=\"Logo salvadorcastillo.net no background color\" class=\"wp-image-114\" srcset=\"https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2026\/03\/Logo_salvadorcastillonet_nobackground_color_bump_wider_nohelmet_v2_1080x1080-tinified.png 1024w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2026\/03\/Logo_salvadorcastillonet_nobackground_color_bump_wider_nohelmet_v2_1080x1080-tinified-300x300.png 300w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2026\/03\/Logo_salvadorcastillonet_nobackground_color_bump_wider_nohelmet_v2_1080x1080-tinified-150x150.png 150w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2026\/03\/Logo_salvadorcastillonet_nobackground_color_bump_wider_nohelmet_v2_1080x1080-tinified-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Choosing a Coat of Arms based on heraldic tradition as the logo of my professional website is a symbolic and meditated choice. In the Middle Ages, coats of arms served to univocally identify knights, whether they were at court, traveling, or in battle. Thus, because they were always easily identifiable, these knights were subject to constant scrutiny of their actions &#8211; and also their omissions &#8211; bearing the responsibility of the name of their lineage. In Spain, the oldest form of having a coat of arms is the adoption of one&#8217;s own. Every citizen has the right to adopt his own coat of arms.<\/p>\n\n\n\n<p>Like everyone else, at some time in my professional career I have encountered complex situations where conflicting interests, and not always aligned with business, struggled to prevail. Sometimes, in the confusion, it is not possible to discern who is providing the value and who is providing the smokescreen. My goal has always been to act in a clear and traceable manner. I am not perfect and I have made mistakes, but fortunately I can defend my professional career from an ethical point of view. Therefore, I am the first interested in being identified and recognized. Anywhere. And I gladly bear the responsibility for my reputation. Like the knights of the old times. I have something anachronistic in my spirit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Blazon<\/h3>\n\n\n\n<p>According to the <a href=\"https:\/\/www.hacienda.gob.es\/SGT\/los%20simbolos%20de%20la%20hacienda%20publica\/capitulo%20viii.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Heraldic Glossary of the Kingdom of Spain<\/a>, the Blazon is \u201cDescription of the coat of arms according to the strict rules of Heraldry\u201d. My design is modern and does not strictly conform to such rules, so the blazon of my Coat of Arms is <em>sui generis<\/em>:<\/p>\n\n\n\n<p><em>Spanish coat of arms parted of sanguine and gules with a cordobesian mosque&#8217;esque arche cabriole. Sword in silver and aquamarine to the right, castle in silver and aquamarine to the sinister, and lynx with aquamarine hints in point.<\/em><\/p>\n\n\n\n<p>Motto: \u201c<em>Alterius non sit qui suus esse potest\u201d<\/em>.<\/p>\n\n\n\n<p>The type of shield is Spanish.<\/p>\n\n\n\n<p>The <em><a href=\"https:\/\/es.wikipedia.org\/wiki\/Sangu%C3%ADneo\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">sanguine<\/a> enamel<\/em> (gules &#8211; red) symbolizes defending those wronged by lack of justice by making blood flow. The use of red in that tone is not recommended but <em>hold my beer<\/em>.<br>The <em>sinople enamel<\/em> (green) symbolizes to help the poor, the countrymen and the farmers who are oppressed.<br>The <em>silver or white metal<\/em> symbolizes to defend the maidens and to protect the orphans.<\/p>\n\n\n\n<p>The <em>golden or yellow metal <\/em>-replaced with the traditional light cream color of the wonderful arches of the Mosque of Cordoba- symbolizes doing good to the poor and defending their homeland.<br>The <em>aquamarine color<\/em> (it does not previously exist neither as metal nor as enamel in the heraldic tradition, for what I inaugurate it) symbolizes to defend the individual freedom in front of debased mobs.<\/p>\n\n\n\n<p>The <em>castle or fortress<\/em> is a reference to the lineage of my family name. The <em>sword<\/em>, to have the necessary capacity to face injustices. And the <em>lynx<\/em>, a local animal in Cordoba that refers to being subtle and cunning.<\/p>\n\n\n\n<p>The <em>motto<\/em> first appears in <a href=\"https:\/\/books.google.es\/books?id=kYRivxsgjeMC&amp;pg=PA65\">Aesop&#8217;s fables<\/a>. It means &#8220;He who can be of himself does not belong to another&#8221;. Even a relentless commitment does not imply vassalage.<\/p>\n\n\n\n<hr class=\"wp-block-separator aligncenter has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-small-font-size\">(Lo and behold! Below, for all to see, is the original version of the coat of arms that I used for nearly two years. It was nothing more than a temporary sketch, but like many other things in life, it took way longer than I would have liked to replace it with a more refined version. Feel free to mock it, I&#8217;ve got no issues. I\u2019m not a fan of indiscriminately using LLMs\u2014for many reasons\u2014but they can be useful for creating successive iterations of deliverables that don\u2019t have defined requirements (just simply that \u201cyou like it\u201d).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Logo_salvadorcastillonet_roundedbackground_color_bump_wider_nohelmet_nolatin_1080x1080-tinified-150x150.png\" alt=\"Escudo de armas\" class=\"wp-image-14\" srcset=\"https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Logo_salvadorcastillonet_roundedbackground_color_bump_wider_nohelmet_nolatin_1080x1080-tinified-150x150.png 150w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Logo_salvadorcastillonet_roundedbackground_color_bump_wider_nohelmet_nolatin_1080x1080-tinified-300x300.png 300w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Logo_salvadorcastillonet_roundedbackground_color_bump_wider_nohelmet_nolatin_1080x1080-tinified-1024x1024.png 1024w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Logo_salvadorcastillonet_roundedbackground_color_bump_wider_nohelmet_nolatin_1080x1080-tinified-768x768.png 768w, https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/3\/2024\/10\/Logo_salvadorcastillonet_roundedbackground_color_bump_wider_nohelmet_nolatin_1080x1080-tinified.png 1080w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/figure>\n\n\n\n<p class=\"has-small-font-size\">There is yet another primitive version of my coat of arms with a helmet in chief, but I will not use it yet. In my cosmological vision &#8211; quixotic &#8211; I have not yet built something that will have a transformational impact on many people&#8217;s lives, and only that will be the right time to adopt it.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-thumbnail\"><img decoding=\"async\" src=\"https:\/\/www.salvadorcastillo.net\/en\/wp-content\/uploads\/sites\/2\/2024\/10\/Logo_salvadorcastillonet_nobackground_color_withhelmet_bump_wider_1080x1080-tinified-150x150.png\" alt=\"Logo salvadorcastillo.net no background color no latin with helmet\" class=\"wp-image-52\"\/><\/figure>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ir a esta p\u00e1gina en castellano Welcome to Salvador Castillo&#8217;s professional website. In this website I share aspects of my work experience, my professional concerns, new learnings and perhaps, also, some plans for the future. Brief summary of my professional career If I had to define colloquially how my professional career has been so far [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"class_list":["post-23","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Welcome -<\/title>\n<meta name=\"description\" content=\"Welcome to Salvador Castillo&#039;s professional website, where you can learn about his work experience, concerns and future plans.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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