Christopher Callahan

Christopher is the Chief Information Security Officer at Weichert Companies, where he leads enterprise-wide cybersecurity strategy across real estate and financial services. With deep expertise in regulatory compliance, risk management, and strategic security governance, he has built and implemented robust IT security programs that align with business goals and industry standards. A trusted advisor to executive leadership, Christopher holds CISSP and GISP certifications and brings a wealth of experience from the pharmaceutical, software, and banking sectors. He is known for his ability to streamline operations, establish audit-ready processes, and foster security-first cultures.