Marcus specialises in facilitating leadership development and personal growth. He is a Professional Certified Coach (PCC(TM)) accredited by the International Coach Federation, holds a certification in Performance Nutrition (PN2) with Precision Nutrition and brings more than 25 years of business and management experience to his work. Graduating from Oxford University, Marcus began his career with Unilever in Marketing and Change Management before deciding to focus on the world of human growth and development. He has worked all over the world with clients including Aditya Birla Group, PETRONAS, Yahoo, Kimberly Clark, Acxiom, Dell and Unilever. Marcus was born in England and is married to his co-author and business partner, Sari. They currently reside in Singapore and together in 2011, they formed Sarius Performance International, a performance consultancy that combines the worlds of personal development and executive coaching with the worlds of physical movement, fitness and nutrition. Marcus is also the Managing Partner of The Works Partnership and Newfield Asia. Sari specialises in working through the medium of the body to facilitate personal growth and development. She is a Professional Certified Coach (PCC(TM)) accredited by the International Coach Federation and an NASM-Certified Personal Trainer, CES, FNS. Sari is also an elite trainer for Nike+ Training Club in Southeast Asia and has won Gold Medals for Team Singapore in Southeast Asian fitness physique competitions. Sari's vision is to facilitate "empowerment and excellence through fitness and body movement". Her particular passion lies in working with women such that they embrace their strength and beauty to produce powerful and sustainable results in their lives. Sari was born in Indonesia and is married to her co-author and business partner, Marcus. They currently reside in Singapore and together in 2011, they formed Sarius Performance International, a performance consultancy that combines the worlds of personal development and executive coaching with the worlds of physical movement, fitness and nutrition.