Sam McLellan is currently Principal Usability Architect at Schlumberger's Houston Technology Center (USA), responsible for the user experience of its product portfolios in such domains as oilfield drilling, information management, and production. He joined Schlumberger in 1985 and was one of the early champions of formal usability practices throughout the organization, leading the company-wide human interface SIG during its inception. He is an… Read More

Andrew Muddimer is Chief Usability Architect for Schlumberger's Information Solutions segment. He orchestrated the first formal usability group inside this organization and manages a team of usability specialists at its technology centers around the world. He graduated from Loughborough University (UK) with a degree focusing on requirements gathering and prototyping techniques, beginning his career at Schlumberger soon afterward as an ergonomist… Read More