David Kean is an author, keynote speaker, entrepreneur and energiser. For over three decades, tens of thousands of business people all over the world have enjoyed the excitement and energy of David's events on personal performance and persuasion, pitching, sales, negotiation and leadership. David has helped leaders in businesses to win millions in new revenues and extract the highest performance from themselves and their teams. Clients have described David's work with them as 'game-changing' - even 'life-changing'. David is co-founder of the management consultancy Catalyst. Catalyst help change the way organisations think, align, communicate and take action around the issue of business growth and work with both start ups and multinationals across multiple industries from fashion and technology to automotive and professional services.