Mark has been a leader in the area of Service Engineering and Operations for large-scale online services for more than 13 years. Currently, Mark leads Yahoo! Rewire Team, this team is focused on Data Center, Service Engineering, and Operational Efficiency. Mark headed up the Data Delivery Services Organization at Yahoo! as well. Before Yahoo!, Mark led the Windows Phone 7 Service Engineering/Operations teams. Mark was also responsible for leading the Premium Mobile Experience (PMX) Services Operations Organization. Prior to taking on the PMX challenge Mark successfully reinvigorated the Global Quality of Service Program. The GFS QoS Program has since been adopted by all Windows Live Services as well as MSN, Ads, and several others. Mark was also successful in implementing the regionally focused Quality of Service Programs in ASIA, Japan and UK regions. While leading the GFS QoS Program he received the 2008 Engineering Excellence Honorable Mention. Prior to Microsoft Mark spent time at both eBay and PayPal building out a unified and comprehensive large-scale Enterprise Management Platform.