Mr. Aarssen is an entrepreneur and independent businessman. He has been the President of Aarssen Management Services Inc. since 1997. Mr. Aarssen was Co-President Gas of AltaGas Ltd. from 2010 until his retirement in 2012. During his tenure with AltaGas Ltd., he also held the roles of Vice President Corporate Affairs and Vice President Energy Management. Mr. Aarssen was the Vice President and Principal of PremStar Energy Canada Ltd. from 1996 until it was acquired by AltaGas Ltd. in 2004.

Mr. Aarssen holds a Bachelor Science (Honours) from the University of Western Ontario and a Master of Business Administration degree and Juris Doctor from the University of Windsor.