Domain Experts / Subject Matter Experts / Industry Experts have invaluable knowledge that you can (and should) apply during your UX process. Domain expert involvement is not an alternative to UX research, and a domain expert is certainly neither a “user expert” nor a designer.
Interviews
Domain Expert Interview — UX Knowledge Base Sketches
Knowledge
How I Figure Out If A Job Candidate Is Right For The Job — For The Interested
Six interview questions that reveal more than a resume. Most job interviews are a waste of time. That's because most interview questions simply invite candidates to regurgitate their resume or offer generic answers about how their biggest weakness is that they "care too much" or "work too hard."
Leadership
How I Figure Out If A Job Candidate Is Right For The Job — For The Interested
Knowledge
User Interviews: How, When, and Why to Conduct Them — NN/g
User interviews have become a popular technique for getting user feedback, mainly because they are fast and easy. Use them to learn about users’ perceptions of your design, not about its usability.
Interviews
User Interviews: How, When, and Why to Conduct Them — NN/g