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Evidence-based and skillfully delivered business coaching and leadership mentoring

Sues is a provisional psychologist and PhD researcher at Monash University, working in multiple development and practice settings. With over 20 years working with blue-chip organisations and entrepreneurial ventures, Sues provides leadership development that integrates psychological insights with practical business, management and communication strategies. Sues empowers executives and their teams to navigate complexity, optimise decision-making, and achieve sustainable growth in today's dynamic business environment.

​Sues' expertise is built upon a foundation of academic rigour and real-world experience. She has held leadership roles at Oliver & York Public Affairs, guiding strategic communications for prominent clients such as Carlton & United Breweries, BMW and Jamie Oliver. Earlier in her career, Sues honed her skills at agencies in Australia and New York, working with global brands like Disney, Nintendo and Ralph Lauren. This diverse background provides her with a unique perspective on the challenges and opportunities facing leaders today.

As founding partner of The Decision Shift Co., Sues designs and delivers impactful leadership development programs tailored to the specific needs of each organisation. Her approach emphasises evidence-based strategies that foster collaboration, enhance communication, and drive strategic alignment.

A captivating speaker and TEDx finalist, Sues has presented at prestigious industry events for organisations such as Adobe, RMIT and General Assembly. Her insights are highly valued by executives seeking to cultivate high-performing cultures and achieve lasting success.

WHAT DOES THE DECISION Shift CO. DO?

The Decision Shift Co. helps leaders and teams perform better.

We do this by applying evidence-based psychology to practical and engaging skills training programs that help people make the decision to adapt, grow and change.

 

You will find us in some of Australia's most recognised corporate, business, government, agency and not-for-profit settings.

In a consultation with our friendly team, we'll work with you to identify your needs and the right learning tool for you to create change.

Trusted and experienced.

Training, Programs and Resources

 We deliver evidence-based and psychologically developed leadership and business coaching programs that follow a framework designed create specific outcomes relating to influence, mindset, productivity, performance and communication.

UPSKILL WORKSHOPS

Intensive skills sessions to target and overcome specific issues relating to business, corporate, agency and not-for-profit landscapes. 

PERSONALISED AND IN-HOUSE PROGRAMS AND TRAINING

Psychologically developed leadership and development programs tailored to the specific environment, challenges, opportunities and needs of your organisation, team and senior leaders.

LEADERSHIP AND DEVELOPMENT PROGRAMS

As experts in Psychology and performance, we responsibly deliver training programs to help you get the most from both yourself and your people. No pseudoscience, just highly engaging and evidence-based training programs that are easily understand and immediately applicable to improve individual and team performance.

DSCo Leadership Intensive Series

Self-paced intensive leadership learning modules, applying psychological insights and informed by experienced leaders across corporate, business, government and not-for-profit environments.

PSYCHOLOGICALLY DEVELOPED ASSESSMENT TOOLS

For self-reflection and identifying the communication styles of your teams.

Meet Sues Tonks

PGDipPsychAdv, BBusCom, BComm

PhD Researcher Monash University

20+ years working with brands you know

Founding Partner, Program Director and Lead Facilitator

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