As the VP-I.T. and Chief Information Officer, Mark Lohsen is responsible for evolving VESNA’s systems while managing the daily operations of all I.T. activities hosted at the Networking Operations Center in Greenfield, WI. The I.T. department provides all "back office" services in support of the three divisions of VESNA, its 12,000 employees, and its 300+ field offices. This same support is being extended to sister companies in North America, with the hosting of Veolia Energy, Veolia Transportation, and Veolia Water equipment and staff at the NOC.

Prior to joining Veolia, Mark was VP – I.T. and CIO for IKON Technology Services – a division of IKON Office Solutions. Mark spent the previous 20 years as a business systems consultant, leading the development of integrated networks and software applications for major companies. Mark served as a Senior Manager in the consulting divisions of Ernst & Young and KPMG-Peat Marwick.

Peter Whatnell joined Sunoco in November 2001 as CIO. He is responsible for developing and leading the IT renewal strategy for Sunoco, a leading manufacturer and marketer of petroleum and petrochemical products with revenue of over $33 billion and 14,000 employees. Previously, he spent 17 years with Texaco in various roles, including Head of IT Europe in London. In 1995, Peter moved to the USA where he served in several Corporate Director positions covering IS, Telecommunications, Advanced Technology Services, ERP, the IT member on Texaco's global technology policy and strategy team, and General Manager IT in the shared services company for Texaco, Shell and Saudi Refining Inc.

Peter is on the advisory councils for the IT programs at Villanova and LaSalle Universities, the Philadelphia Chapter of Black Data Processing Associates; he is a board member with Opera Company of Philadelphia and is the Chairman of the Philadelphia Chapter of the Society for Information Management.