"Trust" appears in nearly every design leadership posting across your target list. OpenAI uses it. Maven Clinic uses it. Gusto uses it. Atlassian uses it. They mean four different things.
It fragments into four problems: delegation trust (AI-native), consequence trust (growth-stage regulated), coherence trust (enterprise platform), compliance trust (healthcare/vertical SaaS). Each tier hires for its version and screens against the others.
"I design trustworthy systems" sounds senior until the follow-up: trust in what failure mode? You either have a concrete answer grounded in that company's specific problem, or you're exposed. Leading with delegation trust vocabulary at a company solving consequence trust reads as a precise-sounding answer to the wrong question. The vocabulary lands. The failure mode is off by a tier.
This is the most common positioning failure I see from design leaders with AI experience at Director+. The rest of this section gives you the correction: one playbook per trust type, a cross-tier evaluation guide, and company-level decoder cards.
Delegation trust — AI-native (Anthropic, OpenAI, Suno): Can the user safely hand control to an agent? Evaluator's real question: "Where does design enter the agent behavior conversation?" Your lead: "Trust Is the New Interface" essay, Agentic Labs systems.
Consequence trust — growth regulated (Headway, Gusto, Ramp): Can the user detect wrongness before harm lands? Evaluator's real question: "Who owns the experience of being wrong?" Your lead: Thermo Fisher exception-first design, Red Cross.
Coherence trust — enterprise (Salesforce, Atlassian, Adobe): Does the platform behave like one thing at scale? Evaluator's real question: "How do you govern consistency across surfaces and AI layers?" Your lead: Alibaba cross-surface redesign.
Compliance trust — healthcare / vertical SaaS (Maven Clinic, Ontra, Aurora Solar): Does the system stay within constraints the user can't independently verify? Evaluator's real question: "Can you design within clinical or legal authority?" Your lead: Thermo Fisher (pharma), Allē (healthcare-adjacent).