This week on the Million Dollar Mastermind podcast, host Larry Weidel is joined by Mark Weiss, a leading specialist in 16th and 17th Century English and North European portraiture and owner of The Weiss Gallery. Mark is a collector of the finest Northern European Old Master portraits. He has sold many historical paintings to illustrious private collections and institutions worldwide, including the National Portrait Galleries of London and Edinburgh, the National Gallery of Hungary, several Dutch museums, and the Dutch and Danish Royal family. The Weiss Gallery participates in TEFAF Maastricht and London Art Week annually. Mark has advised several leaders, from startup founders, to private-equity-backed CEOs, to the President of the United States. He's built and run businesses from startup to over $500M annual revenue, assembled teams across six continents, been part of the small team leading an IPO ($880M), and participated in dozens of acquisitions.