When interviewing salespeople, the biggest red flag is blame. Strong candidates demonstrate humility and self-reflection by taking ownership of lost deals and analyzing their own shortcomings. Weaker candidates deflect, blaming the product, competition, or other external factors, signaling a lack of coachability.

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Underperforming sales reps are not failures; they often lack proper coaching or strategic frameworks. Investing in their development can transform these reps from liabilities into consistent performers, saving the high costs associated with turnover and re-hiring.

To hire for traits over background, Mark Kosaglo suggests testing for coachability directly. Run a skill-based roleplay (e.g., discovery), provide specific feedback, and then run the exact same roleplay again. The key is to see if the candidate can actually implement the coaching, not just if they are open to receiving it.

Even a top-tier sales professional has a career pitch win rate of just 50-60%. Success isn't about an unbeatable record, but a relentless focus on analyzing failures. Remembering and learning from every lost deal is more critical for long-term improvement than celebrating wins.

The stress and anxiety felt after a sales interaction goes poorly is not a weakness. It signals a high degree of ownership and responsibility—core traits of successful salespeople. Those who feel this pain are more likely to learn, adapt, and ultimately be trusted by clients.

Salespeople often focus on being 'coachable' (receptive to feedback). A more powerful trait is humility—the proactive asking for help and recognition that success is a team effort. Humility unlocks collaboration and support, getting you further, faster than simply being open to advice.

When evaluating talent, the biggest red flag is "hand-waving." If you ask a direct question about their area of responsibility and they can't give a crisp, clear explanation, they likely lack true understanding. Top performers know their craft and can explain the "why" behind their actions.

Top salespeople aren't just skilled; they've mastered their internal psychology. Most performance issues stem from fear, lack of information, and self-limiting beliefs, which prevent them from taking necessary actions like making calls.

When coaching a struggling salesperson, the root cause is rarely tactical. It's usually "head trash"—deep-seated limiting beliefs and blind spots, often stemming from childhood, that sabotage their efforts. The coach's primary role is to help uncover and dismantle these psychological barriers.

Saying "the market is crowded" or "there are no good salespeople" renders you powerless. By reframing these as "I lack the skill to get more leads" or "I lack the skill to hire well," you become the source of the solution and regain agency to change the outcome.

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.