Bob Brennan, CEO
Tool: SaaS-Based Application Security Testing
Just named one of America's most promising companies by Forbes, Veracode provides a SaaS-based application security testing product. The seven-year-old company was born from a desire to automate application security assessments. Brennan drove big growth at data protection services player Iron Mountain. During his CEO tenure, sales soared from $1.8 billion to $3.1 billion in just six years.