Dr Yvonne Sum


Dr Yvonne Sum

Dr Yvonne Sum CSP, ACMC, NLPTT, BDS (Hons) is a published international author* on leadership and strategy that crosses the contexts of both home and work. She uses an integrated and thought-provoking approach to help companies improve the health of their culture and the performance of the organization. Her work includes leadership development, coaching, and disruptive thinking to develop and implement innovative strategies. 

As co-founder of 5Echo, a global leadership consultancy focusing on C-level executives, she facilitates senior executives through their 4G (Gender, Generational, Generosity, Global) challenges by drawing executives into their inner selves to be more mindful in driving business impact in a hyper-changing world. Yvonne has honed this gift through her own agile journey as a dentist, RAAF officer, Australian television presenter, author, leadership speaker, growth strategist, hyper-drive coach, corporate expat, business partner, wife and mother of two.

She calls herself a global gypsy - being an Australian who has lived in Asia and the Middle East, working with Directors, CEO’s, Senior Management in high growth multinational corporations, family enterprises and entrepreneurial scale-ups. She speaks conversational Cantonese, Malay, and Mandarin. Yvonne has worked across a variety of industries including aviation, luxury brands, IT, financial & professional services, pharmaceuticals, and healthcare. She helped the Group CEO of an international furniture manufacturer develop an innovation strategy run concurrently with leadership development and coaching programs that led to doubling annual export revenue, rapid geographic expansion, six new leaders emerging from their ranks, and simultaneous historic rises in employee engagement. 

Yvonne graduated from the University of Sydney Australia with a Bachelor of Dental Surgery with Honours. She is on the global faculty of Melbourne Business School, Mobius Executive Leadership, and Investible – Australia’s Business Generation Lab to co-create a unique entrepreneur education experience. She is co-delivering a 9-month Global Residency Executive Program on Conscious Leadership with Nilima Bhat & Raj Sisodia, authors of Shakti Leadership and Conscious Capitalism. She has curated bite-sized learning-on-the-go Programs for Gnowbe and Actionable Conversations, including her 15-day Open Micro-Learning Program called Leading Self: Presencing Essence with Resilience

Dr. Sum is sought after by executive decision makers to hyper-drive their ‘next practice’ skills to engage their hidden genius to thrive in acceleration and be future-ready. Yvonne works closely with Erica Ariel Fox, co-founder of premier transformational firm Mobius Executive Leadership, Next Practice Institute & author of the global best-seller Winning from Within.

Yvonne is a certified trainer in Outthinker, Neuro Linguistic Programming (NLP) & Neuro-Semantic (NS) and accredited in: Actionable Conversations, Cert IV WAT, DiSC, Educational Kinesiology,  Fingerprint for Success - iWAM, EQi-360, Firo-B, Hogan’s, MBTI I & II, Meta-Coaching, MLQ.

As one of only 267 female CSPs (Certified Speaking Professionals) in the world, she has presented alongside Edward de Bono, Tony Buzan, Tun Dr Mahathir, Howard Gardner, Ram Charan and Jack Canfield. Dr Yvonne Sum transforms the leader in you. You will find her powerfully intentional &  inspirational.

  • *Sum, Y. (2013) Intentional Parenting: How to get results for both you and your kids. Random House Australia, Sydney.

  • *Thammaneewong, R. & Sum, Y.(2014). The urgent case for a global mind-set. Emerging Trends in Leadership & Strategy Vol. 1, 6, 186-221.

  • *Sum, Y. (2010). Tribal insights of sales leaders. Emerging Trends in Professional Selling Vol. 1, 10, 247-272. Trend Business Publishing.

  • *Sum, Y. (2010). Learning partnerships with children, Inspired Children, 10, 199-213. University of Sydney Press.


Go to the people. Live with them.
Learn from them. Love them.

Start with what they know.
Build with what they have.

But with the best leaders, when the work is done, the task accomplished, the people will say, "We have done this ourselves."

- Lao Tzu