THE SOVEREIGNTY OF COLLECTIVE INTELLIGENCE

Strengthening Leadership
For Modern Complexity


CULTURE IS CREATED BETWEEN PEOPLE

Leadership gives it direction.
Trust gives people voice.
Difference gives decisions range.
Practice turns intention into performance.

We meet people where they are. We train, coach and develop them for what comes next.

The HBA Approach

Backed by Science, Delivered by Experience.

evidencedpartly evidencedincluded on practice grounds
Corporate value pool
What HBA delivers
Metrics

Leadership relationship quality is associated with people actually leaving, not merely intending to.

ρ = −.24 [−.29, −.19] · 42 samples · 28,637 employees · actual voluntary turnover

Rubenstein, Eberly, Lee & Mitchell (2018). Surveying the forest: A meta-analysis of the antecedents of voluntary employee turnover. Personnel Psychology, 71(1), 23–65.

LimitsAssociation, not cause. North American samples.

Challenge sits here because it is what the four days actually do. No meta-analysis links it to attrition, so it is marked as practice rather than evidence.

Psychosocial work conditions predict future sickness absence, measured forward in time rather than at a single moment.

burnout OR 2.34 [1.59–3.45] · low job satisfaction OR 1.92 · low decision authority OR 1.49 · 20 prospective cohorts

Duijts, Kant, Swaen, van den Brandt & Zeegers (2007). A meta-analysis of observational studies identifies predictors of sickness absence. Journal of Clinical Epidemiology, 60(11), 1105–1115.

LimitsJob conditions, not leader behaviour. Prospective, not experimental.

Lost productivity is not listed here. We could not find a meta-analysis linking these levers to a presenteeism outcome, so we do not claim one.

Safety climate is associated with the incident count itself, across the largest study of its kind.

safety climate → accidents and injuries ρ = .24 · leadership → burnout ρ = −.36 · 203 samples · 186,440 workers

Nahrgang, Morgeson & Hofmann (2011). Safety at work: A meta-analytic investigation of the link between job demands, job resources, burnout, engagement, and safety outcomes. Journal of Applied Psychology, 96(1), 71–94.

LimitsIndustrial workforces. The read across to psychosocial risk is by analogy.

Where followers see their leader as ethical, self-reported deviance is lower.

workplace deviance ρ = −.34 · 8 samples · 1,807 people · overall review 134 samples, 54,920 people

Bedi, Alpaslan & Green (2016). A meta-analytic review of ethical leadership outcomes and moderators. Journal of Business Ethics, 139(3), 517–536.

LimitsPerceptions of ethical leadership, not audited conduct.

Role ambiguity degrades performance. Role conflict, which is often treated as the same thing, does not.

role ambiguity → performance r = −.21 · role conflict → performance r = −.07, described as negligible

Tubré & Collins (2000). Jackson and Schuler (1985) revisited: A meta-analysis of the relationships between role ambiguity, role conflict, and job performance. Journal of Management, 26(1), 155–169.

LimitsGeneral job performance, not cycle time. The literature is twenty years old.

This row rests on the least direct evidence of the eight. Structured discussion is known to improve what a group knows (Mesmer-Magnus and DeChurch, 2009, across 72 studies and 4,795 teams), and the operational indicator is agreed with you rather than assumed.

Trust inside a team predicts team performance, and it holds even after controlling for how the team performed before.

ρ = .30 · 112 studies · 7,763 teams

De Jong, Dirks & Gillespie (2016). Trust and team performance: A meta-analysis of main effects, moderators, and covariates. Journal of Applied Psychology, 101(8), 1134–1150.

LimitsAssociation, not cause. The largest in this set.

Business units in the top quartile of engagement differ from those in the bottom quartile on every operational measure the business already tracks.

absenteeism 78% · turnover 51% (low-turnover firms) / 21% (high) · safety incidents 63% · quality defects 32% · productivity 18% · profitability 23%

Gallup (2024). Q12 Meta-Analysis, 11th edition. 736 studies · 347 organisations · 183,806 business units · 3,354,784 employees · 90 countries.

LimitsGallup owns the instrument. A quartile gap, not an intervention effect.

How a manager receives challenge predicts whether people bring the next problem, measured at a later point in time rather than the same one.

managerial openness predicts subsequent employee voice · psychological safety → voice ρ = .31 · leader relations → psychological safety ρ = .44 (30 samples, 10,180 people)

Detert & Burris (2007). Leadership behavior and employee voice: Is the door really open? Academy of Management Journal, 50(4), 869–884. With Frazier, Fainshmidt, Klinger, Pezeshkan & Vracheva (2017), Personnel Psychology, 70(1), 113–165.

LimitsVoice measured as behaviour, not concerns logged in a system.

The only randomised trial showing that training managers changes a hard outcome.

cluster randomised trial · 88 managers · about 4,000 employees · significant reduction in work-related sick leave, p = 0.049 · reported return of £9.98 per £1

Milligan-Saville et al. (2017). Workplace mental health training for managers and its effect on sick leave in employees: A cluster randomised controlled trial. The Lancet Psychiatry.

LimitsOne trial. One emergency service. p = .049.

And the finding that runs the other way, which we publish alongside it.

participatory organisational interventions: mental health SMD = −0.04 · work performance SMD = 0.01 · 8 cluster randomised trials · null across all outcomes

Sakuraya, Iida, Imamura et al. (2026). Effects of participatory organizational interventions on mental health and work performance. Journal of Occupational Health, 68(1).

LimitsParticipatory interventions, not leadership development. Mostly Japanese workplaces.

We are not inventing new disciplines. We are putting established ones to work differently.

A meta-analysis of 335 leadership training studies covering 26,573 leaders identified the design features that separate development which transfers into the workplace from development which does not.

Lacerenza, Reyes, Marlow, Joseph & Salas (2017), Journal of Applied Psychology, 102(12), 1686–1718. Transfer δ = .82, organisational results δ = .72, no evidence of publication bias.

Five factors · 67.4% of the variance

Five things coaching changed in these executives. The one involving their own manager came last.

Engagement and productivity18.49%

People management15.74%

Dialogue and communication15.59%

Goal-setting and prioritisation9.1%

Relationships with managers8.47%

And half reported no change at all in how that manager communicated back.

Source and limits

Kombarakaran, Yang, Baker & Fernandes (2008). Executive coaching: It works! Consulting Psychology Journal: Practice and Research, 60(1), 78–90. 114 executives and 42 coaches in one global pharmaceutical company. Principal component analysis, α = .95, isolated five factors accounting for 67.4% of cumulative variance. 98% gained insight into how their actions are perceived and 91% reported better results with direct reports, but only about 50% saw improvement in how their supervisor communicated back.

LimitsSelf-reported. One company. No control group. Variance in a questionnaire, not in outcomes.

HBA works on the system, not only the leader

Self-motivated managers still stall

The most intrinsically driven managers in the unsupported group did no better, and on some measures worse.

Wanting to grow is not the same as being able to do it alone.

Source and limits

Nicolau, Candel, Constantin & Kleingeld (2025). Do I need coaching to achieve a learning goal? Coaching, goal orientation, and goal framing: A randomized control trial study. Current Psychology, 44(16), 13574–13590. Randomised controlled trial, 202 managers across 13 organisations, 43 external coaches.

LimitsThe mastery finding sits just outside significance (p = .087). One country. Self-rated at a single point.

HBA builds the scaffold they are missing

686 executives · 300+ organisations

Asked in their own words what coaching changed, senior executives did not describe insight. They described running a team.

Team leadership (delegation, alignment, engagement)24.2%

Communication and messaging16.4%

People development16.0%

Executive presence and authority15.7%

Strategic thinking (enterprise-level orientation)11.6%

Self-awareness11.2%

Intentionality (focus, boundary-setting)10.9%

Source and limits

Kirschner & Terblanche (2026). Executive leaders' perspectives on the impact of executive coaching on their leadership development. European Journal of Training and Development, 50(10), 127–145. 1,130 open-ended responses from 686 executives and 158 coaches across more than 300 organisations, predominantly Fortune 500, spanning North America, EMEA, Asia-Pacific and Latin America.

LimitsCoded descriptions, not measured outcomes. Lead author runs the firm studied.

Core Tensions of Modern Enterprise

Is Heroic Individualism Becoming an Enterprise Risk?

Analytical expertise has stopped being sufficient. Modern corporate challenges are adaptive, moving faster than any single leader can analyse, sense, or predict. The task of the modern executive is no longer about having all the answers, but about building the structural and human capacity to access collective expertise, invite safe dissent, and make robust decisions under pressure.

Accessing vs. having

COMPLEXITY CRISIS

Complex problems exceed the knowledge of any one person. Performance relies on inviting challenge without diluting accountability.

balcony & dance floor Paradox

Adaptive leadership

Execution demands focus on what is happening now. True adaptive leadership requires stepping back to spot patterns across the system, then returning to action with a clearer view.

After Heifetz, R. & Linsky, M. (2002). Leadership on the Line. Harvard Business Review Press.

What rules cannot standardise

Applying Theory

Compliance and policies standardise procedures; they cannot standardise human judgement. Cognitive bias and system pressures dictate how your people interpret risk and what they do next.


ALLIANCE across difference.
BRIDGE across what we have learned to keep separate.
HOME for the whole.

OUR MANIFESTO

Moving Beyond the Intelligence of the Individual.

We exist to widen what consequential executive decisions take into account: people, relationships, systems, future generations, and the natural world.
By bringing analytical, emotional, and collective intelligence into alignment, we ensure the leader remains accountable while the decision takes more of reality into account.

Homebridge Alliance spark emblem

THE relevance

THE RULES ARE NECESSARY. THEY ARE NO LONGER ENOUGH.

HBA rejects the assumption that an enterprise performance or conduct issue always requires an individual-focused intervention.

Before proposing a pathway, we isolate exactly where the systemic friction or capability constraint sits:

SELF (Individual)

Personal executive judgement, behaviour, and capacity under pressure.

WE (Relational)

How your senior leadership team challenges, decides, and works together.

SYSTEM (Structural)

The physical, regulatory, and organisational conditions shaping what people can reasonably do.

The intervention must follow the actual constraint, rather than asking the individual leader to compensate for a broken corporate system.

A hand at rest

GATEWAYS TO CHANGE

Different Needs.
Different Paths.

We do not sell pre-packaged programmes.
We solve specific leadership challenges.

Path I

HBA Signal

The first read

A short, anonymous reflection that maps where you are before anything is proposed. Strictly private – no employer scoring, no record on file, and no unsolicited follow-up.

Play Signal

Path II

HBA Trails

The interactive learning practicum

An online simulator for senior cohorts that establishes objective behavioural baselines.
Hard-coded privacy and zero gamified badges.

Explore Trails

Path III

HBA Retreats

The liminal residential intensive

4-day deep residential immersions for senior leaders changing direction or facing critical transition.

For individuals and organisations: Serpent Path for women & Whale Path for mixed-gender cohorts). For Family/Intergenerational pathways: Swan (female), Eagle (male) · Raven (mixed-gender / inclusive).

Request Invitation

Path IV

HBA Growth Axis™

The bespoke enterprise evidence-to-change cycle

An evidence-backed integration of behavioural, wellbeing, and psychosocial-risk analysis to co-design structural workplace interventions and re-measure progress.

Initiate Enquiry

Founded on lived authority

Built by People Who Carried the Obligations Themselves.

Homebridge Alliance was founded by Ina MacKinnon, who spent more than twenty years navigating Governance, Risk and Compliance across global capital markets. She combines this deep regulatory experience with a Master of Applied Positive Psychology to build the systemic conditions that allow corporate governance to actually work in practice. She is supported by master’s-level practitioners in wellbeing science, narrative, high-performance psychology and executive facilitation.

First cohort
November 2026
Inaugural pricing
4 days residential, then 11 weeks of integration
Information sessions this October
Gold Coast and online
Register your interest