BlackLine, Inc. announced that its Board of Directors has appointed founder, director and former Chief Executive Officer, Therese Tucker, and Board Chair, Owen Ryan, as Co-CEOs, effective immediately. In connection with these changes, Thomas Unterman, who has served as a director since 2010, has been named Lead Independent Director, and Mr. Ryan will remain Chair. Tom has served as a member of BlackLine's Board of Directors since 2010.

He founded Rustic Canyon Partners, a venture capital firm, in 1999 and continues to be a Partner, serving on boards of directors of several of the firm's portfolio companies. Previously, Tom was an executive of The Times Mirror Company, a newspaper publishing company that was acquired by Tribune Co., most recently serving as Executive Vice President and Chief Financial Officer. He is currently a director of several non-profit and civil rights organizations.

He holds a J.D. from the University of Chicago and a B.A. from Princeton University.