Mark Cade is the lead developer and assessor for the Sun Certified Enterprise Architect for Java EE exam. He has over 20 years of experience as a software engineer and has extensive experience creating architectures for Java EE solutions for Fortune 500 companies. He worked at the Sun Microsystems Java Center as a Senior Java Architect.
Humphrey is co-founder and CTO at Eysys where he leads the product management and engineering teams in applying Machine Learning to eCommerce data to improve customer experience and ultimately conversion, yield and volume. Also a PhD student in Computer Science at Cardiff University, he has designed and built hundreds of enterprise-class systems in Europe and the US. Find him on Twitter at @humphreysheil.