The Clayton Utz board comprises the chief executive partner Robert Cutler, six elected Clayton Utz partners, and two external directors.
Ms Bartlett (pictured) joins Peter Hawkins as the board's second external director.
Ms Bartlett has previously held senior management roles at National Australia Bank, Jones Lang LaSalle Australia, and IBM Asia Pacific.
She is a non-executive director of Mirvac Limited, GBST Holdings Limited and The Smith Family. She is also a member of Chief Executive Women and the Australian Institute of Company Directors, and of UNSW's Australian School of Business Advisory Board.
Clayton Utz Board chair Ross Perrett said: “We are very pleased to have a director of Christine's experience and commercial acumen join us as a board member.”