OUR MENTORS Our prestigious leaders have expertise in almost all business sectors and situations.

William (Bill) Green

William (Bill) Green

Experienced Chairman: S&P 100, Public Sector, Private Sector

Experienced CEO: Public Sector, Private Sector

  • 25 years of international senior leadership experience
  • Multi-industry knowledge of consulting, education, engineering, financial services, government, healthcare, technology, private equity, publishing
  • Experience as an Audit Chair, Business Development Chair, Executive Committee Chair, Leadership Development & Compensation Chair, Nomination and Corporate Governance Chair, Finance Committee member, Mergers and Acquisitions Committee member
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Current Positions

William (Bill) Green is the former CEO and Chairman of Accenture. He is currently the Chairman of Syniti, and Chairman for GTY Technology Holdings Inc. He is also a member of the Board of Directors at Dell Technologies, S&P Global, Inovalon (a provider of data analytics, intervention and reporting platforms to the healthcare industry) and Advisor360° (a provider of a unified, integrated software suite for wealth management).

Industry Knowledge

Bill was a Director of Accenture from 2001 until 2013, and assumed the role of Chairman in 2006. During his tenure at Accenture, the company completed its initial public offering and Bill was involved in the planning of it's long-term business strategy. From 2004 to 2010, Bill served as Accenture’s CEO.

During his tenure as CEO, Accenture grew revenue from $13.7bn to $21.6bn, doubled its workforce to 211,000 employees and expanded its global footprint. Prior to serving as CEO, Bill was Accenture’s COO of client services with overall management responsibility for the company’s operating groups.

Bill was ranked No. #1 Chief Executive Officer in the Computer Sciences & IT Consulting sector by Institutional Investor in 2007.

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Sir Richard Olver

Sir Richard Olver

Sir Richard Olver served as Non-Executive Chairman of BAE Systems, one of the world's largest defence contractors, from 2004 until 2014. Prior to BAE Systems he had a 30+ year career at BP in various senior leadership roles. Sir Richard is now an adviser to Clayton, Dubilier and Rice LLC as well as to HSBC Holdings plc. In the oil and gas industry, he is a Director of Sand Hill Petroleum SA. 

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Harald Norvik

Harald Norvik

Harald Norvik has been Chairman of Scandinavian Airline Systems, Chairman of Telenor ASA, Chairman of the Oslo Stock Exchange, TV2, and Deputy Chairman of PGS ASA. Harald is currently Chairman of NRC (a global refuge organisation), Chairman of Kraft Bank, Chairman of BOS PS Group, Chairman of Barratt Due Music Institute and a member of the Board of Umoe ASA. 

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Jan du Plessis

Jan du Plessis

Jan du Plessis is currently Chairman of BT Group plc. He was previously Chairman of Rio Tinto, SABMiller, British American Tobacco and RHM; non-executive director and chair of the Audit Committee of Lloyds Banking Group and Senior Independent Director of the retailer Marks & Spencer.

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Calvin Grieder

Calvin Grieder

Calvin Grieder is the Chairman of Givaudan SA, Chairman of AWK Group and the Chairman of Société General de Surveillance (SGS SA). In addition, he is Chairman and Administrative President of the international engineering group Bühler AG.

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