Campbell Architects LLC p e o p l e Home     Geoff Campbell is a registered architect in Pennsylvania. He holds  a Bachelor of Architecture degree and a Master's degree in Computer Science. He has worked in several design firms in Arizona, California, and Massachusetts. Lina Abdul-Nabi is a registered architect in Wisconsin. She holds a Bachelor of Architecture degree and a Master's degree in Building Science. She is interested in green design and addressing moisture problems in the building envelope.