Mark A. Maki is senior vice president, Enbridge Energy Company, Inc., and President, Enbridge Energy Partners, L.P. Enbridge Energy Partners is a master limited partnership that operates the U.S. portion of the worlds longest and largest crude oil pipeline in addition to a large natural gas gathering, processing and natural gas liquids business in the Texas and Oklahoma region. Mark is responsible for all aspects of the Partnership and its operations.

Mark has approximately 27 years of experience in accounting, regulatory, internal audit and management for Enbridge in the U.S. and Canada. He served as the principal financial officer for Enbridge Energy Partners, L.P. in the U.S.; controller for Enbridge Energy Partners, L.P.; controller for Enbridge Pipelines, Inc.; and held various other managerial and accounting positions for the company since 1986. He is presently a member of the Board of Directors of the National Association of Publically Traded Partnerships.

He received his bachelor's degree in accounting from the University of Wisconsin at Superior and is a member of American Institute of Certified Public Accountants.

Mark and his family reside in Houston,Texas.