Sourcing & Deal Advisory

Clay Calhoun, ISG Partner and ISG Sourcing Solutions Leader, is a senior member of ISG’s Americas Leadership Team. He brings more than 25 years’ experience in IT consulting, strategy, service delivery, and advisory services. His experience includes leading, managing, and supporting Global 2000 client engagements which consider solutions that maximize the benefits from internally optimized and sourced service delivery operations. With ISG, Clay has advised on more than 50 engagements totaling more than $25B of contract value.

Mr. Loeer is a proven leader in IT operation and management and in IT outsourcing. He has demonstrated expertise in assessment, strategy development and sourcing transactions. Friedrich's clients benefit from his 35 years of IT industry tenure, his practical experience in IT thereof more than 18 years in sourcing. Friedrich also offers clients his expertise in the financial services industry, manufacturing and automotive.

Mr. Roüast is Partner and President, ISG South Europe, Middle East & Africa. Lyonel was previously President - EMEA, Compass Management Consulting.

Lyonel Roüast joined Compass Management Consulting France in 1999 and is responsible for managing the fast-growing European presence of the company. Previously he held the posts of Managing Director Compass South Europe and Director of Europe.

Prior to joining Compass, Lyonel spent much of his career with IBM France where he was a Sales Manager specialising in the banking sector. In 1995 he was appointed Sales Director for the banking sector of CGI and then for the banking department with IBM Global Services.

An engineering graduate from the ESIEA, Lyonel also has a post graduate degree from IAE Paris.

Julien leads ISG’s digital practice in the South Europe and Middle East Region. Having been involved in more than 80 successful engagements in IT performance assessment and sourcing strategy, Julien brings his clients long-term experience and insight that draws from working with ten of ISG’s largest global clients. His tight focus on achieving business objectives makes him a trusted partner clients can rely on to deliver expert guidance and measurable bottom-line results. Julien has recently led a digital transformation strategy for IT, a hybrid-cloud computing solution design and a big data benchmark for major European corporations. He is fluent in French, English, and Italian.

Andrea provides transformative solutions to the cross-functional challenges executives increasingly face as they attempt to define the right service delivery and operating models for their organization. Andrea advises clients on all aspects of their complex, multi-sourcing operating models, including organization, governance, process and capability elements of the operating model. She is an expert in assessing current operations and transforming and maintaining target operating models. Enterprises that have worked with Andrea have benefited from her long-term consulting and sourcing advisory expertise spanning the whole lifecycle of sourcing in the areas of IT and business process services. She is known for her extensive project and change management capability even in the face of complex and international project environments.