GAMCO Investors, Inc. announced that it has created an Office of the CEO, and added Doug Jamieson to the role. Doug Jamieson joined the firm in March 1981 as a research analyst. From 1986 to 2004 he served as Executive Vice President and Chief Operating Officer of GAMCO Asset Management Inc. and has served as its President and Chief Operating Officer since 2004.

Following the spinoff of Associated Capital Group in 2015, he was named AC's President and CEO. Doug is a graduate of Columbia Business School (M.B.A.), and holds a B. A from Bucknell University.