As Chief Technology Officer (CTO) of the National Association of County and City Health Officials (NACCHO), Dennis leads the organization’s technology strategy, cybersecurity initiatives, and digital transformation efforts. In this role, he is responsible for advancing secure, scalable, and innovative technology solutions that support NACCHO’s mission to improve public health outcomes nationwide.
Dennis brings more than 30 years of experience in information technology, including 19 years in the nonprofit public health sector. During his tenure at NACCHO, he has specialized in public health cybersecurity, cloud technologies, artificial intelligence, and infrastructure management. He has played a key role in modernizing systems and implementing cloud-based platforms that enhance operational efficiency, strengthen data protection, and ensure compliance with evolving regulatory standards.
Throughout his career, Dennis has demonstrated expertise in developing and executing strategic technology initiatives, leading high-performing teams, and fostering collaboration across organizational stakeholders. HE is recognized for building resilient, secure technology environments that safeguard sensitive public health data while enabling innovation and growth.
Dennis holds a Bachelor of Science in Computer Information Technology, as well as a Master of Science and a Master of Business Administration from the University of Maryland Global Campus. He has served as Chair of the DC Chapter of the National Information Security Group (NAISG) and is a member of the American Society of Association Executives (ASAE), NiUG International, the New York Enterprise Windows User Group (NYeWin), and The IT Security Suite Network (TITSSN).
Chief Executive Officer
Lori Tremmel Freeman has been the Chief Executive Officer for the National Association of County and City Health Officials (NACCHO) since May 2018, having returned to the organization after previously serving as its Associate Executive Director from 2010-2014.
Chief Operating Officer
Christopher Paquet joined the National Association of County and City Health Officials (NACCHO) in 2023 as Chief Operating Officer. In this role, his priorities are focused on advancing our journey to make NACCHO a better workplace for staff by focusing on continuous quality improvement; looking deeply at our policies, practices, and processes; and offering solutions.
Chief of Government and Public Affairs
Adriane Casalotti is the Chief of Government and Public Affairs for the National Association of County and City Health Officials (NACCHO), whose mission is to improve the health of communities by strengthening and advocating for local health departments. There she leads the Association's efforts on policy development, communications, and federal advocacy.
Chief Financial Officer
As chief financial officer (CFO), Jerome is responsible for NACCHO’s financial functions including accounting, audit, contracts, and grants. As a member of the leadership team, he shares the responsibility for the attainment of the organization’s strategic and operational goals. His career spans more than 30 years of varied experience in financial management, Federal Government contracts, business leadership, and organizational strategy.
To reach out for an interview with Dennis or another member of our senior leadership team, please email [email protected].