Bill Marciesky

About Bill Marciesky

I am an industry professional determined to learn, grow and shape the world around us with powerful technological solutions in cybersecurity, IT and information systems. With years of sales and leadership experience, security engineering experience and hands-on technical and CS experience, as well as an academic background in writing and education, I believe that my unique skillset positions me to deliver to my clients and my teammates at incredibly high levels.With all this being said, I come from a rather humble beginning and am always learning and growing as a person first - professional second. Ultimately, I am a teammate, a friend, a mentor and someone that knows the power of people and in trusting those around you as they trust you. I approach everything with an open mind and a dedication for those that make it all come together. I am privileged to work with some of the industry\'s best at Contrast Security where we\'re securing enterprise applications and protecting our clients from new and emerging threats.

Experience

1. Senior Sales Engineer

   Contrast Security

   Sep 2025 — Present

   Contrast’s powerful runtime application security technology equips developers, AppSec and SecOps teams with one platform that proactively protects and defends applications and APIs against evolving threats.

Education

• PennWest California

  English Language and Literature, General