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Stephen L. Wanner

Stephen L. Wanner 
Assurance Partner, Energy
Ernst & Young LLP


Steve Wanner is a partner in the EY office – Philadelphia with over 28 years providing assurance and advisory services in the energy, industrial gas, and financial services industries, focused on accounting, internal control, risk management, regulatory compliance, and business performance improvement. Steve serves as a partner in various capacities on various energy clients throughout the United States, including regulated and unregulated power companies, regulated natural gas distribution companies, natural gas midstream entities, and propane distribution companies. Steve also leads various initiatives within the firm regarding both audit quality and the expansion of the firm’s energy practice.

Steve earned his Bachelor of Science from Drexel University and is a member of the American Institute of Certified Public Accountants (AICPA) and the Pennsylvania Institute of Certified Public Accountants (PICPA).

Steve serves or has served as a board member of the Greater Philadelphia Economy League, the chairman of the Drexel University Accounting Advisory Board, and an advisory board member of the Lebow College Center for Corporate Governance. Steve also chairs the board of trustees for a school designed specifically to meet the needs of inner city high school-aged foster children.

About Ernst & Young LLP


Ernst & Young is a global leader in assurance, tax, transaction and advisory services. The insights and quality services they deliver help build trust and confidence in the capital markets and in economies the world over. Ernst & Young develop outstanding leaders who team to deliver on their promises to all of their stakeholders. In so doing, they play a critical role in building a better working world for their people, for their clients and for their communities.

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