"In Enriched, John artfully weaves a tapestry of personal story, practical guidance and inspiring encouragement. He will help you discover what you are most passionate about and how to match that passion with the knowledge, skills and talent you have been given."
- Bob Buford, Author of Halftime, an American Best-seller- – David Bussau AM, Co-founder of Opportunity International
"I compliment John for his bold initiative in writing this book. It is a new and refreshing perspective that challenges the old paradigms of success and pursuit of wealth and opens our respective world-views to live purpose-driven lives." 
"Reading this book is like having a conversation with a wise mentor. John Sikkema shares honestly from both his successes and failures to help you turn your career into your passion. Enriched will inspire you to do what you’ve always wanted to do with your life but didn’t think was possible."
– Markus Koch, CEO, Daniels International-
- "Enriched is an inspiring read. If we all pick up this responsibility to do a little or a lot within our own capacity to make the world a better place, what a great lift it will give to one’s wellbeing and self-esteem."
– Frank Costa OAM, Chairman of Costa Group; Former Mayor and President of Geelong Football Club, Melbourne - "In Enriched, John Sikkema gives you a powerful strategic plan (blueprint) for undertaking a second-half career that is full of adventure and significance. By the time you get to the last page you will know what you need to do. I could not stop reading this book, I loved it and it hits right where MANY men and women are these days. John’s story will change lives!"
– Dean Niewolny, CEO, Halftime, Dallas, Texas - "In this provocative book, he shares his story and seven life-changing principles that will help you become the person you were created to be. Reading Enriched could well be a turning point in your life."
– Ken Blanchard, Co-author of The One Minute Manager® and Great Leaders Grow - – Hon John Anderson AO, Former Deputy Prime Minister of Australia (1999-2005)"Enriched will prove to be of great value to many people contemplating a deep desire to find more meaning and purpose in their lives, rather than that which the frantic pursuit of money and position has up to now provided them."