Aaron is a former executive of Microsoft, where he served as program manager for distributed systems and general manager of Visual C++, the leading software development tool at that time. He architected MSN’s move to Internet-based server software, served as the full-time technology adviser to Bill Gates, and founded and ran the company's. Productivity Tools Team for complex software engineering projects. Before founding FP Complete, he served as CTO at Web analytics firm Mentico, optimization firm Hynomics, and secure election systems firm Everyone Counts.