Dave Wichers is the co-founder of Aspect Security and a long time contributor to OWASP including being a member of the OWASP Board since it was formed in 2003. In 2004, along with Jeff Williams, they established the 501c3 organization that is now the OWASP Foundation. He has also done lots of OWASP conference presentations like 'Unraveling some of the Mysteries around DOM-based XSS', 'Agile Security - Breaking the Waterfall Mindset of the Security Industry', 'Security in Agile Development', 'How to Avoid Flaws in the First Place: The OWASP ESAPI Project', etc.