Whether you're seeking project advisory, governance, corporate affairs or stakeholder engagement support, I'd be pleased to hear from you.
Tarnia Riggs is the Founder and Principal Consultant of Myriad Ardor, a boutique consultancy specialising in project advisory, governance, corporate affairs, stakeholder engagement and organisational improvement.
Tarnia brings extensive cross-sector experience across Australia and the United Kingdom, working across major infrastructure, renewable energy, transport, mining, water, health and government programs. She has supported executive leadership teams, project directors, multidisciplinary consultants, contractors and government agencies in navigating complex, high-profile and politically sensitive environments.
Her experience spans Tier 1 consultancies, multinational organisations and government agencies, including BHP, EnergyCo NSW, SA Health, CPB Contractors, Melbourne Water, Rail Projects Victoria, Woods Bagot, GHD, AECOM and Aurecon. Her work has encompassed project governance, strategic communications, corporate affairs, stakeholder and community engagement, organisational change, executive communications, social impact, issues management and cross-agency coordination.
Her broader professional experience includes local government, multinational organisations and the banking sector, with experience in business improvement, governance, operational management and organisational change. This commercial and operational foundation continues to inform her practical, delivery-focused approach to consulting.
Known for connecting strategy with delivery, Tarnia helps organisations navigate complexity, strengthen governance, manage stakeholder relationships and translate technical, operational and policy challenges into clear, practical and human-centred solutions that create lasting value for projects, organisations and communities.
Graduate Certificate in Project Management (Distinction) – University of South Australia
Bachelor of Management (Marketing) – University of South Australia
Certificate IV in Entrepreneurship & New Business
Certificate IV in Small Business Management
Certificate IV in Management
Certificate IV in Real Estate Practice (Sales & Marketing)
Certificate III in Travel (In Progress)
IAP2 Australasia – Engagement Academy
IAP2 Australasia – Engagement Essentials
IAP2 Australasia – Facilitate Engagement
IAP2 Australasia – Facing Conflict
Project Management MAP
Conflict Resolution
Presentation & Stakeholder Management
White Card – Work Safely in the Construction Industry
National Police Clearance (Current)
NDIS Worker Clearance
Integrated Marketing Award – Stock Price
Integrated Marketing Award – Net Income
Selected for the Ehrenberg-Bass Institute Marketing Project
Commendation from Hobsons Bay City Council and the Williamstown Chamber of Commerce for the Williamstown Sewer Rehabilitation stakeholder engagement program
Project Advisory & Governance
Corporate Affairs & Strategic Communications
Stakeholder & Community Engagement
Organisational Change & Business Improvement
Government Relations & Executive Communications
Social Impact Assessment & Research
Project & Program Delivery
Issues, Risk & Reputation Management
Infrastructure, Renewable Energy & Major Capital Projects
For a detailed overview of Tarnia’s project experience, industry insights and thought leadership, visit TarniaRiggs.com.