The Emotional Leader: Why How You Feel Shapes How Your Team Performs

An evidence-based guide for leaders who want to understand their real impact on culture

Let's be honest. When most organisations talk about "culture change," they reach for the usual tools: a new set of values on the wall, a leadership workshop, maybe a staff engagement survey. And while none of those things are bad ideas, they tend to miss the most powerful driver of culture in any organisation. You.

Not you as a title or a role. You as an emotional being who walks into a room, sits in a meeting, sends a message on a bad day, or lights up when something goes right. That version of you is shaping your team's culture far more than any policy document ever will.

The science on this is clear, and the implications for leaders are both sobering and exciting. Emotions at work are contagious. Leadership emotion shapes organisational culture. And leaders who manage their own emotional world create stability for the people around them.

Let's unpack what that actually means in practice.

Emotional Contagion Is Real, and It Starts at the Top

You've probably experienced emotional contagion without ever calling it that. Think about the last time you walked into a room where someone was visibly tense. Within minutes, you felt it too, right? That's not coincidence. It's biology.

Psychologists Elaine Hatfield, John Cacioppo, and Richard Rapson, who pioneered research in this area, describe emotional contagion as the tendency to automatically mimic and synchronise facial expressions, vocalisations, postures, and movements with those of another person, and as a result, to converge emotionally (Hatfield, Cacioppo & Rapson, 1993). In short, we are wired to catch feelings from one another.

In the workplace, this process is amplified by hierarchy. Research by Sy, Cote, and Saavedra (2005) found that a leader's mood had a significant effect on their team's mood, coordination, and effort. Leaders who were in a positive emotional state led groups that demonstrated better cooperation and task performance. The reverse was equally true.

The mechanism behind this, at least in part, is our mirror neuron system. Discovered in the early 1990s by neuroscientist Giacomo Rizzolatti and his team at the University of Parma, mirror neurons fire both when we perform an action and when we observe someone else performing it (Rizzolatti & Craighero, 2004). They form a biological basis for empathy, emotional attunement, and yes, the unconscious mirroring of the people we spend the most time with.

As a leader, you are the most watched person in the room. Your team is constantly, and largely unconsciously, reading your emotional signals. Before your strategy spreads, before your motivation campaign lands, your emotions have already set the tone.

What Actually Spreads: The Four Emotional Patterns

Daniel Goleman, one of the world's foremost authorities on emotional intelligence, puts it plainly in his work on "primal leadership": the leader's emotional state is the most powerful driver of group dynamics (Goleman, Boyatzis & McKee, 2002). Here's what that looks like in practice.

Anxiety spreads. When you're operating from a place of chronic stress or unresolved anxiety, your team picks it up. They become hypervigilant. They start playing it safe, covering their backs, and spending energy managing fear instead of driving results. A 2012 study by Barsade and Gibson found that negative emotional contagion was particularly strong in teams under pressure, precisely the moment when leaders most need to be able to self-regulate.

Calm spreads. This is one of the most underrated leadership capabilities there is. A calm leader doesn't mean a passive or disengaged one. It means someone who has enough emotional steadiness to think clearly and help others do the same. Research in psychological safety by Amy Edmondson at Harvard Business School shows that teams perform better when they feel it's safe to take interpersonal risks, and that sense of safety is heavily influenced by the emotional tone the leader sets (Edmondson, 1999).

Doubt spreads. Leaders often underestimate how much their team is reading between the lines. If you're hesitant about a decision, uncertain about the direction, or visibly disengaged from the organisation's vision, your team will feel it. Even if you say all the right things. Authenticity matters. Credibility is emotional, not just logical.

Confidence spreads. Grounded, genuine confidence is contagious in the best possible way. When a leader truly believes in the path forward and in the ability of their team to get there, that belief transmits. It creates what psychologist Albert Bandura called "collective efficacy": a shared belief in the group's capacity to achieve its goals, which is one of the strongest predictors of team performance (Bandura, 1997).

What This Looks Like Day-to-Day

Theory is useful. But let's get practical about how this plays out in real workplaces.

A defensive leader creates a silent team. When people sense that honest feedback or a challenging question will be met with defensiveness, they stop offering it. They smile and nod. Ideas stay unshared, problems go unaddressed, and the leader ends up operating in a bubble. This is precisely how companies and teams get blindsided by problems that everyone could see coming except the person in charge.

A stressed leader creates a reactive team. Urgency becomes the permanent operating mode. There's no space to think strategically because everything is a fire. People start making reactive decisions, cutting corners, and burning out. The pace feels productive, but the output is scattered. Stress at the top cascades down through the system.

An optimistic leader creates a solution-focused team. This doesn't mean toxic positivity or ignoring real challenges. It means a leader who, when problems arise, models the belief that they can be worked through. That orientation shifts the team's default question from "why is this happening to us?" to "what can we do about this?" That shift alone changes everything.

A calm leader creates a regulated team. When leaders can hold their centre under pressure, they model something invaluable: that it's possible to stay functional in difficulty. Teams that experience this regularly become more resilient, more adaptive, and more willing to take the kinds of risks that lead to growth.

The Work Nobody Tells You About

Here's the bit that catches most leaders off guard: the most impactful leadership development work is internal.

Emotional intelligence, as defined by Goleman, involves four key domains: self-awareness, self-management, social awareness, and relationship management (Goleman, 1995). Of these, self-awareness and self-management are the foundational ones. You can't regulate what you haven't noticed. And you can't offer others emotional steadiness if you haven't developed it in yourself.

This is not about suppressing what you feel. Leaders who perform emotions they don't have, projecting a manufactured calm or a forced positivity, are often sensed as inauthentic. Research by Grandey (2003) on emotional labour shows that surface acting (displaying emotions you don't feel) leads to burnout and is less effective than deep acting (genuinely regulating your inner state to align with how you want to show up). The goal is real regulation, not performance.

The good news? Emotional self-regulation is a learnable skill. Practices like mindfulness, reflective journaling, coaching, and somatic awareness all build the capacity to notice what's happening inside you before it spills out in ways that affect your team. These aren't wellness indulgences. They are leadership disciplines.

Five Things You Can Start Doing Now

If this has landed with you, here are five concrete places to start.

1. Get curious about your emotional baseline. Before your next team meeting, pause and genuinely check in with yourself. What are you feeling? What are you carrying in? You can't choose what to put down if you don't know what you're holding.

2. Treat self-regulation as a professional priority. Sleep, movement, boundaries, recovery time, regular coaching: these aren't personal luxuries. They are the conditions under which emotionally intelligent leadership becomes possible. If you're chronically depleted, your team will feel it.

3. Ask for honest feedback on your emotional impact. This one takes courage. But ask a trusted colleague, a direct report, or a coach: what emotional tone do I seem to bring into the room? What does it feel like to be in a meeting with me when things are stressful? The answers can be genuinely revelatory.

4. Build psychological safety deliberately. Make it easy for people to tell you hard truths. Thank people when they push back. Acknowledge when you don't have the answers. Model the kind of vulnerability that says, "we can talk about what's real here." It takes time to build, and almost no time to destroy.

5. Remember that you are always modelling. Even when you think you're just "getting through the day," your team is watching and learning from how you handle it. The way you respond to bad news, how you treat people when you're under pressure, the energy you bring on a Monday morning: it all matters. You are the culture, in motion.

The Bottom Line

Organisational culture doesn't live in a values document. It lives in the daily experience of the people inside your organisation. And that experience is profoundly shaped by the emotional world of those who lead.

Your emotions are not a side issue to your leadership. They are central to it. The question isn't whether your emotional state will affect your team. It already is. The question worth sitting with is this: what do you want to be spreading?

That's where the real leadership work begins.

References

Bandura, A. (1997). Self-efficacy: The exercise of control. W.H. Freeman.

Barsade, S. G., & Gibson, D. E. (2012). Group affect: Its influence on individual and group outcomes. Current Directions in Psychological Science, 21(2), 119–123.

Edmondson, A. (1999). Psychological safety and learning behavior in work teams. Administrative Science Quarterly, 44(2), 350–383.

Goleman, D. (1995). Emotional intelligence: Why it can matter more than IQ. Bantam Books.

Goleman, D., Boyatzis, R., & McKee, A. (2002). Primal leadership: Realizing the power of emotional intelligence. Harvard Business School Press.

Grandey, A. A. (2003). When "the show must go on": Surface acting and deep acting as determinants of emotional exhaustion and peer-rated service delivery. Academy of Management Journal, 46(1), 86–96.

Hatfield, E., Cacioppo, J. T., & Rapson, R. L. (1993). Emotional contagion. Current Directions in Psychological Science, 2(3), 96–99.

Rizzolatti, G., & Craighero, L. (2004). The mirror-neuron system. Annual Review of Neuroscience, 27, 169–192.

Sy, T., Cote, S., & Saavedra, R. (2005). The contagious leader: Impact of the leader's mood on the mood of group members, group affective tone, and group processes. Journal of Applied Psychology, 90(2), 295–305.

Developing leaders who lead with emotional intelligence

Dr Carin Bergh, Best of People Consulting, www.bestofpeople.co.za

Rebuilding Psychological Safety Amidst Retrenchments and Culture Shifts

When organisations undergo retrenchments or significant cultural transformations, one of the first casualties is psychological safety - that fragile sense that people can speak up, take risks, and be themselves without fear of embarrassment or negative consequences. Rebuilding it requires intentional effort from leaders at every level, but the return is substantial: teams that weather uncertainty with resilience rather than paralysis.

The erosion is predictable, even when the changes are necessary

Retrenchments don't just affect those who lose their jobs. Remaining employees (“survivors”) watch how their colleagues are treated, how decisions are communicated, and whether leaders acknowledge the human cost. They recalibrate their understanding of what's safe. If retrenchments feel unnecessary or poorly explained, people start wondering if their own contributions matter. If cultural shifts come with vague justifications or inconsistent enforcement, employees retreat into self-protection mode - keeping their heads down, avoiding honest feedback, and hoarding information rather than collaborating.

This isn't dysfunction; it's survival instinct. The challenge for leaders is to interrupt this cycle before it becomes entrenched.

Transparency builds trust faster than perfection

Leaders often hesitate to communicate during turbulent times because they don't have all the answers. But waiting for certainty usually backfires. People fill information voids with worst-case scenarios, and the grapevine generates more anxiety than truth ever could.

What matters more than having perfect information is being honest about what you know and what you don't. Acknowledge the upheaval directly. If more changes are coming, say so. If you're uncertain about timelines or outcomes, admit it. This kind of transparency doesn't eliminate fear, but it does establish that leaders are trustworthy narrators of what's happening, which is the foundation for rebuilding safety.

Consistency matters more than you think

During periods of change, people scrutinise leadership behaviour intensely. If you say you value straight-talk but then react defensively to criticism, employees notice. If you claim the new culture prioritises work-life balance but then reward those who work weekends, the message lands clearly: the stated values aren't real.

Psychological safety depends on predictability. People need to know that the rules won't shift for no reason, that effort will be recognised consistently, and that speaking up won't be punished even when it's inconvenient for management. This requires leaders to align their actions with their words, especially when it's uncomfortable.

Create space for grief and frustration

Organisations often rush towards "the new normal" without acknowledging loss. Whether it's mourning retrenched colleagues, letting go of old ways of working, or processing anger about decisions that feel unfair, people need permission to feel what they're feeling.

This doesn't mean endless processing sessions, but it does mean recognising that emotional reactions to change are valid and expected. Leaders who make room for these conversations signal that it's safe to be human at work. Sometimes the most powerful thing a leader can say is simply, "This is tough, and it's okay to struggle with it." 

Don't pretend everything is fine

Perhaps the most damaging thing leaders can do is ignore the elephant in the room. When retrenchments have just happened or significant changes are underway, acting as though it's business as usual sends a clear message: we don't acknowledge hard realities here.

This doesn't mean dwelling in negativity, but it does mean naming what everyone is experiencing. A simple acknowledgement in a team meeting - "I know the past few weeks have been difficult and uncertain, and I expect some of that uncertainty to continue" - can be more reassuring than false optimism. It tells people that their perceptions are valid and that honesty is valued.

Invite participation in the path forward

When people feel like they have some agency in shaping what comes next, they're more invested in making it work. This doesn't mean every decision becomes democratic, but it does mean creating genuine opportunities for input on how new processes will work, what the team needs to be successful, or how values will translate into daily practice.

The key word is genuine. Token surveys or feedback sessions where input is clearly ignored do more harm than no consultation at all. But when leaders ask for perspectives, implement good ideas, and explain why other suggestions can't be accommodated, it demonstrates that people's voices matter even in difficult circumstances.

Remember that rebuilding takes time

Psychological safety is built over months and years, but it can be damaged in moments. Leaders need to adjust their expectations accordingly. Don't expect immediate openness after a traumatic period. Don't be surprised if people are cautious about the new cultural values until they see them consistently enacted over time.

The most important thing is to keep showing up with integrity, even when progress feels slow. Every interaction is an opportunity to demonstrate that this team, this organisation, is a place where people's contributions are valued and their humanity is respected. Over time, with consistency and genuine care, psychological safety can not only be rebuilt but can emerge stronger for having been tested.

The path forward isn't about erasing what happened or pretending the damage wasn't real. It's about acknowledging the difficulty honestly whilst creating the conditions for trust to grow again. That's hard work, but it's the work that makes teams resilient enough to face whatever comes next.

References

Edmondson, A. C. (1999). Psychological safety and learning behavior in work teams. Administrative Science Quarterly, 44(2), 350-383. 

Edmondson, A. C. (2018). The fearless organization: Creating psychological safety in the workplace for learning, innovation, and growth. John Wiley & Sons.

Kahn, W. A. (1990). Psychological conditions of personal engagement and disengagement at work. Academy of Management Journal, 33(4), 692-724.

Schein, E. H., & Bennis, W. G. (1965). Personal and organizational change through group methods: The laboratory approach. Wiley.

Brown, B. (2018). Dare to lead: Brave work, tough conversations, whole hearts. Random House.

Mishra, A. K., & Spreitzer, G. M. (1998). Explaining how survivors respond to downsizing: The roles of trust, empowerment, justice, and work redesign. Academy of Management Review, 23(3), 567-588.

Newman, A., Donohue, R., & Eva, N. (2017). Psychological safety: A systematic review of the literature. Human Resource Management Review, 27(3), 521-535.

Detert, J. R., & Burris, E. R. (2007). Leadership behavior and employee voice: Is the door really open? Academy of Management Journal, 50(4), 869-884.

Frazier, M. L., Fainshmidt, S., Klinger, R. L., Pezeshkan, A., & Vracheva, V. (2017). Psychological safety: A meta-analytic review and extension. Personnel Psychology, 70(1), 113-165.

Clark, T. R. (2020). The 4 stages of psychological safety: Defining the path to inclusion and innovation. Berrett-Koehler Publishers.

Dr Carin Bergh, Best of People Consulting (www.bestofpeople.co.za)

You Can't "Fail" a Personality Test: But Here's What You Need to Know

YOU CAN’T “FAIL” IT

Personality questionnaires don’t measure competence.
They describe how you prefer to work.
The real risk is when results are used as a quick “yes/no” filter.

Let me start with something that might surprise you: personality questionnaires weren't designed to tell you whether you're good enough for a job. They were created to describe how people naturally prefer to work, how you make decisions, how you interact with others, and how you approach planning and problem solving.

So no, you can't actually "fail" one of these assessments.

But here's the thing I see happening too often: some organisations use personality results as a quick filter to thin out the candidate pool. And that means people who could have been excellent in the role get screened out early, not because they lack skills or potential, but simply because their profile didn't match a narrow template someone decided was "ideal." The misuse of assessment instruments has left many South Africans with a negative perception of psychological assessment and its use in selection (Maree, 1998).

That doesn't feel fair to candidates, and frankly, it's not good practice either.

When personality assessment actually helps

When we use personality tools the right way, they add real value to the hiring process. Here's how:

·      They anchor conversations in what the job actually needs. We start with the job description and use it to identify the key behavioural competencies required for success in the role. Research shows that selection procedures should always be job-related and supported by validity evidence (Tippins, Sackett, & Oswald, 2018). The personality data then helps us understand whether someone's natural style aligns with those specific competencies.

·      They make interviews better. Instead of generic questions, we can delve into specifics: "Tell me about a time you had to influence someone without authority" or "Walk me through how you'd typically plan a complex project." The personality profile gives us smart places to probe, not a verdict (Tippins et al., 2018).

·      They support people after they're hired. Some of the most valuable conversations happen in onboarding and development: helping new team members understand their own working style and how to work well with others (ISO, 2020).

The South African context

Here in South Africa, we have clear legal guidelines about how personality assessments must be used. Section 8 of the Employment Equity Act requires that any psychological test used in selection must be scientifically valid and reliable, must not unfairly discriminate against any employee, and must be based on inherent job requirements (Employment Equity Act No. 55 of 1998).

The Health Professions Council of South Africa (HPCSA) classifies tests that measure psychological constructs, and these can only be administered by registered psychology professionals. This protects candidates from misuse of these powerful tools.

South African researchers have also highlighted an important consideration: personality assessments show lower adverse impact against previously disadvantaged groups compared to other selection methods like cognitive ability tests, while still predicting performance effectively (Van Lill & Coetzee, 2021). This makes them particularly valuable for making selection decisions that are both accurate and fair.

Where it goes sideways

Personality assessment becomes a problem when organisations hire for a fantasy "ideal type" instead of what the role genuinely requires, treat the profile as a stand-in for actual performance or capability, or use it as a cheap shortcut to cut down applications rather than doing the work to assess people fairly and thoroughly.

When candidates tell me they feel like they "failed" a personality test, it's usually because the process treated them that way, and that's on the organisation, not the tool.

How we think about it

At Best of People Consulting, personality assessment is one lens among several, never the whole picture.

The most defensible and respectful approach combines structured competency-based interviews, work samples or simulations that mirror the actual job, thorough reference checking, and carefully selected assessments interpreted by someone who knows what they're doing (ISO, 2020; Tippins et al., 2018). Research consistently shows that using multiple assessment methods leads to better hiring decisions (Van Aarde, Meiring, & Wiernik, 2017).

When you build a process like that, personality insights don't screen people out arbitrarily. Instead, they help everyone (HR, the recruiting line manager, the candidate, etc) make a smarter, fairer decision that's more likely to work out in the long run.

Because at the end of the day, good hiring isn't about finding a personality type. It's about finding the right person for the role, the team, and the work that needs doing.

References

Employment Equity Act No. 55 of 1998. Government Gazette, Republic of South Africa.

International Organization for Standardization. (2020). ISO 10667-1:2020 Assessment service delivery: Procedures and methods to assess people in work and organizational settings, Part 1: Requirements for the client. https://www.iso.org/standard/74716.html

Maree, J. G. (1998). The use of psychological tests with minority groups in South Africa: A brief review and critique. Acta Criminologica, 11, 65–75.

Tippins, N. T., Sackett, P. R., & Oswald, F. L. (2018). Principles for the validation and use of personnel selection procedures. Industrial and Organizational Psychology, 11(S1), 1–97. https://doi.org/10.1017/iop.2018.195

Van Aarde, N., Meiring, D., & Wiernik, B. M. (2017). The validity of the Big Five personality traits for job performance: Meta-analyses of South African studies. International Journal of Selection and Assessment, 25(3), 223–239.

Van Lill, X., & Coetzee, M. (2021). Exploring the criterion validity of the 10 personality aspects for performance in South Africa. African Journal of Psychological Assessment, 3, Article 129.

If you're designing a selection process or wondering whether your current approach is working as well as it should, let's talk. We specialise in building practical, fair hiring systems for organisations that want to get it right.

Best of People Consulting (www.bestofpeople.co.za)