GAM is looking to replace three members of its seven-strong board of directors at its AGM in May.
GAM has proposed the election of the three women to the board following the decision of three current members - Diego du Monceau, Ezra S. Field and Monica Mächler - to not stand for re-election at the annual general meeting on 8 May.
The proposed appointees include Katia Coudray, the former chief excutive of Syz Asset Management, Jacqui Irvine, the former group general counsel of Janus Henderson, and Monika Machon, a former senior vice-president at AIG .
GAM's current chairman Hugh Scott-Barrett has been proposed for re-election to the post. Current directors - Benjamin Meuli, Nancy Mistretta and David J. Jacob - have also been put forward for re-election.
All of the proposals are subject to regulatory approval.
Scott-Barrett commented: "We very much look forward to welcoming Katia, Jacqui and Monika, who I am convinced, will be great additions to our board thanks to their strong industry experience and diverse backgrounds.
"On behalf of the full board of directors I would like to thank Diego for his strong support and commitment over the last nine years as well as Ezra and Monica for their active involvement and personal contributions as board members, particularly in the last 12 months."
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Other troubles affecting the firm over the past couple of years include being the target of an activist campaign, suffering a shareholder revolt over executive pay and two profit warnings.
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