Bloomberg Radio host Barry Ritholtz speaks with Dr. Maria Vassalou, who is co-chief investment officer of multi-asset solutions at Goldman Sachs Asset Management. Prior to her career in asset management, Dr. Vassalou was an associate professor of finance at Columbia Business School, which she joined in 1995 and where she established many of the investment principles she employs today. She earned her Ph.D. in financial economics from London Business School.