Trust Comes Before the Argument
In Spanish working life, who you are to the person you are trying to convince matters as much as what you are proposing. People give real weight to colleagues they know and trust personally — a trust built up over time through repeated contact, shared coffees and meals, and showing that you are a real person and not just a role. A strong proposal from someone with no relationship often stalls, while a reasonable proposal from a trusted colleague moves. So invest in the relationship before you push your case. Make sure the person knows you and feels you are on the same side, and bring others on board through people who already trust them. The facts still matter, but they are carried by the relationship: data handed over coldly, with no relationship behind it, rarely persuades on its own.
Persuasion Happens Face to Face, in Real Time
Convincing someone here is something you do in person, out loud, in conversation — not by sending a document and waiting for a reply. The real work of winning agreement happens in live talk: a meeting, a coffee, a lunch, a quick chat in the corridor. Emails and reports inform, but they rarely persuade by themselves. A lot of the actual alignment is reached informally, before or outside the formal meeting, so the meeting itself often just confirms what was already worked out over coffee. If you want to move someone, get in front of them and talk it through, and expect to make your case more than once as the conversation develops. Read the room as you go and adjust. Presence and real-time discussion, far more than paperwork, are where minds actually change.
Show Conviction — Passion Reads as Sincerity
People are persuaded by colleagues who clearly believe what they are saying. Speaking with energy, warmth, and visible conviction is not seen as unprofessional; it signals that you mean it and that the matter is important. A flat, detached, purely technical delivery can land as though you do not really care, or are not sure of your own case. So do not strip the feeling out of your argument in order to sound neutral. Let your commitment show in your voice and manner, and make it personal — why this matters, why you are convinced. The emotional register is treated as part of the evidence: a colleague who argues with heart is read as more trustworthy, and more likely to be right, than one who recites facts without any. If you visibly believe it, others are far more willing to come with you.
Argue Openly — Heated Debate Does Not Break the Relationship
Strong disagreement is normal and healthy, not a threat. Colleagues interrupt, talk over one another, push back hard, and raise their voices in discussion, and treat all of it as engagement rather than conflict. Arguing a point energetically shows that you are taking the issue, and the other person, seriously. Do not read a forceful objection as hostility, or assume a relationship is damaged because someone pushed back sharply. You are expected to push back too; staying silent or overly cautious can come across as having nothing to contribute. The key thing to hold onto is that the heat is about the idea, not the person. People can argue intensely over lunch and be perfectly warm with each other a minute later. Robust, open debate is simply how positions get tested and how people are brought around.
Let People Keep Their Dignity — Never Win by Humiliating
However hard the debate gets, persuasion that makes someone lose face will backfire. Personal dignity matters a great deal, so the way you win someone over has to leave them their standing, especially in front of others. Do not corner a colleague publicly, expose their mistake in a meeting, or make them look foolish to score your point; you will win the argument and lose the person. Where you can, raise disagreements and corrections privately, and give people a graceful way to shift their position without looking as though they have been defeated. The same logic shapes how refusal works: a flat “no” is rarely given outright. People soften it with vagueness or postponement — “we’ll look into it,” “it’s complicated,” “let’s see” — to protect everyone’s dignity, so learn to hear those as the real answer rather than pushing harder.
Standing and Rank Shape Who Persuades Whom
Authority carries real persuasive weight. The word of a senior figure, an established expert, or someone with recognized standing moves a discussion in a way the very same point from a junior person may not. This cuts both ways. If you have the standing, your personal backing of an idea can carry it a long way. If you are more junior and trying to convince someone above you, doing it bluntly or in public rarely works; it lands better to approach privately and respectfully, frame your case as support for their goals, and often let them arrive at and own the conclusion rather than be seen to be corrected by you. One of the most effective moves available is to get a respected, senior ally to back your position, because their standing then does the persuading for you with everyone else.