Capabilities overview graphic featuring strategic communications, stakeholder engagement, social impact assessment, media and digital strategy, advisory, research, project support, and change management services.
Tarnia Riggs – consultant, writer and founder of multiple brands including Myriad Ardor and LGBT Weddings & Events Australia
Get in touch

Whether it's a project, contract opportunity or professional collaboration, feel free to get in touch.

Professional Profile

Principal Consultant | Corporate Affairs | Strategic Communications & Stakeholder Engagement

Strategic communications, stakeholder engagement and change management specialist with 15+ years’ experience delivering across major infrastructure, renewable energy, government, transport, mining and resource programs throughout Australia and the UK.

Trusted to support high-profile and politically sensitive projects, advising leadership teams and supporting Ministerial and executive communications across stakeholder risk, external affairs, engagement delivery, reputation management and cross-agency coordination.

Experience spans Tier 1 consultancies, multinational organisations and government agencies, including BHP, EnergyCo NSW, CPB Contractors, Woods Bagot, GHD, AECOM and Aurecon, supporting projects across renewable energy, transport infrastructure, mining, water, health and major construction environments.

Experience includes supporting organisational change, operational communications, workforce engagement, governance processes and behavioural change initiatives across both corporate and live construction/project environments, working alongside delivery teams, contractors, consultants, executive leadership, and government stakeholders.

Recognised for translating complex technical, operational, safety and policy-driven initiatives into clear, human-centred communication that strengthens stakeholder confidence, supports social licence, workforce alignment and effective project delivery.

Core Capabilities

✔ Corporate Affairs & Strategic Communications
✔ Stakeholder & Community Engagement
✔ Government & External Affairs
✔ Social Impact Assessment (SIA)
✔ Advisory, Social Planning & Research
✔ Project & Program Support
✔ Media, Reputation & Digital Strategy
✔ Change Management, Governance & Workforce Engagement

Credentials

• Postgraduate Certificate in Project Management (Distinction)
• Bachelor of Management (Marketing) – Top 20 Cohort
• Integrated Marketing Award
• IAP2 Australasia – Engagement Academy
• Certificate IV Management
• Certificate IV Entrepreneurship & Small Business
• Certificate IV Real Estate Sales & Marketing

Certifications & Clearances

• White Card – Work Safely in the Construction Industry
• NDIS Worker Clearance
• National Police Clearance (2026)

Additional Perspective

To learn more about the person behind the professional profile, including my journey, values, interests and personal story, visit About Me.

I bring a globally minded and culturally aware approach to stakeholder engagement, shaped by extensive travel, cross-cultural environments, and diverse project experience across Australia, the UK, Europe, and the Middle East.

Known for combining strategic thinking with authentic communication, practical delivery and strong relationship management across complex stakeholder and multidisciplinary environments.

Top Skills

Project Stakeholder Management • Infrastructure Projects • Government Relations • Strategic Communications • Change Management • Workforce Engagement • Governance Support • Strategic Advisory • Corporate Affairs • Community Engagement • Social Impact • Media Strategy

Advisory social planning and research services for infrastructure government and energy projects by Tarnia Riggs
Strategic advisory and research services combining stakeholder insight, social planning and evidence-based analysis to support informed decision-making across infrastructure, government and energy projects.
Change management and transformation strategy for infrastructure, government and corporate projects by Tarnia Riggs
Supporting organisations through change, transformation and operational transition across infrastructure, government and corporate environments through communication-led change management, stakeholder engagement and workforce alignment.
Media and digital strategy services for infrastructure energy and government projects by Tarnia Riggs
Media and digital strategy specialist delivering content, campaigns, executive communications and proactive media engagement across infrastructure, renewable energy, government and corporate environments.
Project and program support services for infrastructure energy and government projects by Tarnia Riggs
Project and program support specialist experienced in coordinating communications, stakeholder engagement, reporting and delivery support across complex infrastructure, energy and government programs.
Social Impact Assessment and community research services for infrastructure and energy projects by Tarnia Riggs
Experienced in Social Impact Assessment, stakeholder research and community analysis for infrastructure, renewable energy and government projects, translating complex social insights into practical project and engagement outcomes.
Stakeholder and community engagement services for infrastructure, government and energy projects by Tarnia Riggs
Stakeholder and community engagement specialist experienced in infrastructure, transport, energy and government projects, delivering consultation, communications, workshops and engagement strategies that build trust and support project outcomes.
Strategic communications and stakeholder engagement for infrastructure, energy and government projects by Tarnia Riggs
Strategic communications specialist delivering stakeholder engagement, media strategy, executive communications and digital content across infrastructure, renewable energy, government and major project environments.
All projects overview showing infrastructure, government, energy, buildings, and community projects within a circular gold border
A multidisciplinary portfolio of infrastructure, energy, government, transport, water, health and community-focused projects delivered across Australia and the UK.

Let's Connect

Whether you're seeking strategic communications support, stakeholder engagement expertise, project advisory services, writing, collaboration opportunities or simply want to start a conversation, I'd love to hear from you.