The Meridian Global Foundation has appointed Alex Kempthorne and Branden Dekenah as board members.
Ms Kempthorne is managing director of her own boutique marketing consultancy, Magnetize.
Mr Dekenah was co-founder and managing director of IT firm Conducive, which was sold to Empired in 2012.
Meridian was founded in 2005 by a group of Perth-based businesspeople looking for a more sustainable and personal way to support worthy causes.