Today's interview (10.3.19) is with Mark W. Johnson, CFA® Managing Director, of Optimum Investment Advisors with over $500 million in assets under management. Mark has been in the business for decades and shares what he has learned along the way. Mark also tells you how the financial services space has evolved over the decades and how to avoid common mistakes he see's people make over and over again. Mark also gives you 4 hidden risks to a diversified portfolio and answers the following questions: