I recall a conversation with a stranger on Delta Airlines in 2003 en route to Arlington, US. We discussed organisational challenges and plausible strategies to catapult organisations to success and sustainability. She singled out leadership as the most influential and organisational game changer in a workplace.

She further conceded that successful leadership had emotional intelligence that enabled it to make discernible leadership decisions. She argued that leadership with emotional intelligence deficit lacked self-awareness and could not regulate emotions, thoughts and actions...