Calabasas-based BlackLine Systems, the developer of financial close and account conciliation services headed by Therese Tucker, said today that it has named Kelly Darren as its Director of Support Services. The firm said that Darren has served at Chrysler, Takata, Armstrong-White, and Deloitte & Touche, LLP. The firm said that Darren will replace Donna McCollum, who previously headed up the firm's customer support. McCollum has become Director of the firm's Quality Assurance group.