In a rapidly changing environment, adaptability ('malleability') is key. To get past rehearsed answers about work projects, ask candidates to describe personal changes they've made in their own lives. This reveals their genuine capacity for self-reflection and adaptation.

Standard reference calls are predictably positive. To get the truth, ask the reference, "What job do we need to hire next to help this person be successful?" The description of the required role will almost always be a perfect antonym of the candidate's skills, revealing their weaknesses.

Asking candidates to describe themselves metaphorically (as a drink or spice) bypasses rehearsed answers. This forces authentic self-reflection, revealing deeper personality traits, personal history, and character far more effectively than standard interview questions.

Instead of asking hypothetical questions, present senior candidates with a real, complex problem your business is currently facing. The worst case is free consulting; the best case is finding someone who can implement the solution they devise.

The simple question "What motivates you?" can be a powerful filter. A Forterra leader was once told by a banking vice chairman that being motivated by "team mission" over money would make for a difficult finance career. This advice proved correct and became his favorite question to uncover a candidate's core intrinsic drivers.

The chaotic, underdog nature of a startup is a binary filter. Frame this reality honestly during interviews. The right candidate will be energized by the challenge, while the wrong fit will be stressed. This question quickly reveals cultural suitability.

To assess a candidate's true character and values, move beyond standard interview questions. Use unexpected, personal prompts like "What's something your parents taught you?" or "What was your first job?" These questions reveal foundational lessons, resilience, and personal drive, which are hard to gauge otherwise.

Beyond IQ and EQ, interview for 'Resilience Quotient' (RQ)—the ability to persevere through setbacks. A key tactic is to ask candidates about their proudest achievement, then follow up with, 'What would you do differently?' to see how they navigated strife and learned from it.

Instead of generic interview questions, ask what truly motivates a candidate and what they'd do for a hobby if money weren't an issue. The way they describe these passions reveals their energy, personality, and core drivers far more effectively than rehearsed answers about work experience.