Bart Zandbergen’s True Wealth Defined Debuts to Early Acclaim, Climbs Amazon Bestseller Rankings Laguna Beach, CA: Bart Zandbergen, founder of The Zandbergen Group, has officially released his debut book, True Wealth Defined: The Eight Pillars to Discovering Life’s Riches, which rapidly climbed Amazon bestseller rankings. In his first published work, Zandbergen shares a deeply personal and transformative philosophy shaped by decades of experience in wealth management and a lifetime of intentional living.