Tenneile Manenti

Tenneile Manenti is a Registered Psychologist with over 20 years’ experience across clinical, forensic, organisational and senior leadership roles. She has worked extensively in high-risk, high-pressure environments, supporting individuals, leaders and organisations to strengthen psychological safety, mental health, wellbeing and performance.

Her background spans criminal and juvenile justice settings, organisational psychology, consulting and executive leadership within emergency services. Tenneile brings deep expertise in psychosocial risk management, trauma-informed systems, workplace culture and the impact of leadership behaviours on safety and wellbeing. Her work is informed by postgraduate research into Corporate Psychopathy and Dark Triad behaviours and extensive experience designing and implementing large-scale mental health and safety initiatives.

Examples of Tenneile’s experience include:

- Designing and establishing the first in-house psychological services within a large emergency services organisation, including operating models, clinical governance, referral pathways and critical incident response frameworks

- Leading the development and implementation of an integrated mental health and wellbeing strategy for a complex, volunteer-based workforce operating in high-risk environments

- Designing and delivering psychosocial risk assessment frameworks, policies, and controls for large organisations prior to legislative requirements, supporting improved compliance, safety outcomes and organisational capability

- Designing and implementing psychosocial risk management training for a national security client, building leadership and workforce capability to identify, assess and control psychosocial hazards

- Developing and delivering a targeted workplace intervention for a national security organisation to address psychosocial hazards including role overload, poor role clarity, lack of leadership support, low psychological safety, limited autonomy and reduced role control

- Developing and implementing a leadership development series for a large national intelligence organisation focused on mental health literacy, navigating mental health disclosures, reducing stigma, strengthening psychological safety and aligning leadership behaviour with organisational purpose and values

- Leading joint-agency initiatives across multiple emergency service organisations to improve coordination, safety governance and workforce wellbeing

- Designing and delivering leadership, safety culture and psychological safety programs for large workforces (250+), integrating neuroscience, performance psychology, communication and human factors

- Leading a global facilitation team to modernise a flagship leadership and safety culture program, including the development of a premium train-the-trainer model delivered across multiple countries

- Supporting leaders and teams through organisational change, critical incidents, trauma exposure and complex workforce environments while maintaining safety and operational performance

Tenneile is passionate about helping individuals and organisations create safer, healthier and more human workplaces. Her approach is evidence-based, practical and grounded in lived experience, with a strong focus on psychological safety, leadership capability and sustainable performance.

Qualifications, Registrations and Memberships:

- Registered Psychologist – Psychology Board of Australia (AHPRA)
- Bachelor of Behavioural Science (Psychology)
- Bachelor of Criminology and Criminal Justice
- Bachelor of Psychology (Honours)
- Master of Organisational Psychology
- Certificate in Project Management (Agile)
- Member, Australian Association of Psychologists