Khalid Saleh is co-founder of conversion rate optimization company Invesp. He is the co-author of O'Reilly's "Conversion Optimization: The Art and Science of Converting Visitors into Customers."

Khalid is an in-demand speaker who has presented at such industry events as SMX, SES, PubCon, Emetrics, ACCM and DMA, among others. Quoted in publications including Internet Retailer, California Executive and Chicago Sun-Times, Saleh has more than 12 years experience in e-commerce architecture, design and implementation. His work has helped generated an average of 65% improvement in conversion rates for Invesp's customers. He is also the chief architect behind the first ecommerce conversion optimization software.