Cali Williams Yost is president and founder of Work+Life Fit, Inc, a company dedicated to empowering individuals to strategically manage the way work fits into their lives.

For the past 15 years, Charles Helliwell has been enjoying a lifestyle and earning an income as a behavioural and relationship mentor who specialises in the personal and professional development of people in business.

Penny de Valk is the Chief Executive of the UK-based Institute of Leadership and Management (ILM), the largest qualification-awarding and professional membership body in Europe for managers.

Andy Parsley helps organisations positively engage with two key audiences: their employees and their customers – both existing and potential. A marketing communications expert, he is the founder of Green Lion Insights and Solutions – an employee engagement consultancy and a regular writer and speaker on employment issues.

Dawna Jones coaches those who want to coach themselves, develops programs for employees to regain their capacity to self and collectively lead, consults on the organizational cultural adjustments and connects employees with their inherent, tacit knowledge with application to real work challenges.

Laura Crawshaw researches and coaches abrasive leaders, otherwise known as "bully bosses". She is known as "The Boss Whisperer™" for her ability to help these individuals develop less destructive management styles.

Lesley Everett is a personal branding specialist and author of "Walking TALL – key steps to total image impact". An executive impact coach, she helps individuals to increase their gravitas in the workplace with a clear and congruent personal brand.

Max McKeown works as a strategic adviser for four of the five most admired companies in the world. Europe's unorthodox answer to Tom Peters, he is also a a well-known speaker on subjects including innovation and competitive advantage.

Chris Conti is a Partner with executive search firm, CTPartners. He is a founding member of the firm's Technology, Media and Telecommunications Practice and also works extensively with private equity clients in San Francisco and New York.

Myra White teaches managing workplace performance and organizational behavior at Harvard University and is a clinical instructor at Harvard Medical School. She is the author of "Follow the Yellow Brick Road: A Harvard Psychologist's Guide to Becoming a Superstar", a book based on her research into how over 60 well-known people became superstars.

Dr Rob Yeung is a Director at leadership consulting firm Talentspace and the author of over a dozen books including 'The Rules of Office Politics' and 'The Rules of Entrepreneurship'.