Throughout my career, I’ve had the opportunity to lead, build, advise, and transform organizations across technology, healthcare, software, consulting, and emerging businesses. From launching ventures and navigating turnarounds to leading enterprise technology initiatives and serving on boards, I’ve always believed in combining strategic thinking with practical execution and doing the best you can at all times. As I look toward new board and advisory opportunities, I’m excited to bring that experience to organizations navigating growth, innovation, and transformation. Here is my biography.

Sheridan Chambers is a seasoned entrepreneur, technology executive, and angel investor with a proven track record in building, integrating, and securing enterprise applications. As the founder of multiple successful companies, including Denim Group and BrandDefense, he has played a pivotal role in shaping cybersecurity and secure application development. With nearly three decades of experience, he has led organizations through growth, acquisition, and innovation, leveraging his deep expertise in business strategy and enterprise security. Most recently serving as Vice President of Integration & Strategy at Coalfire, Sheridan continues to influence the industry through investments, mentorship, and a passion for fostering technological advancements. Now based in San Antonio, Texas, he remains committed to supporting the next generation of startups while embracing new personal and professional endeavors.

Robert Gassen is a seasoned IT and business development executive with over 50 years of experience in software development, project management, customer support, and entrepreneurship. He has successfully led large-scale enterprise projects, managed teams of up to 60 professionals, and built strategic partnerships with major software companies. Transitioning from IT to photography, he founded HumaNature Photography, growing it into a full-service studio before specializing in real estate photography. Currently, he remains active in the workforce while seeking board and advisory roles where he can contribute his extensive expertise. With a strong background in technology, operations, and business growth, Robert is a valuable asset for organizations looking for experienced leadership and strategic insight.