Todd Zimmerman
With over 25 years of distinguished service with the U.S. Department of Justice, Drug Enforcement Administration (DEA), Todd Zimmerman is one of the nation’s foremost experts in risk management, corporate security, and transnational criminal investigations. He is known for mitigating global threats and delivering results in the most complex and sensitive environments.
Lilliam Jarquin
Ms. Lilliam Jarquin joins Guidepost as a skilled professional analyst with extensive experience in research, data analysis, and project coordination. She has demonstrated a strong commitment to public policy, community development, and corporate social responsibility. She is poised to leverage her extensive research and analytical skills to provide insightful, data-driven recommendations that support Guidepost’s clients and drive meaningful impact.
Michael A. Ammirabile
Michael A. Ammirabile is a senior managing director at Guidepost Solutions. He brings more than 25 years of experience in auditing, accounting, and advisory services. His practice focuses on providing litigation support and forensic investigation services to a diverse clientele across the real estate, financial services, software, healthcare, and manufacturing sectors.
Jason Hataway
Jason Hataway is a BIM manager responsible for delivering quality design work and customer service. He produces construction documents for each phase of construction for clients, and builds and manages security, telecommunications, audio visual, and fire alarm revit models and CAD drawing files.
Dawn Nelson
Dawn Nelson joins Guidepost as a managing director, bringing extensive expertise in intellectual property (IP) enforcement, fraud prevention, and strategic operations, developed over a distinguished career in federal law enforcement.
Bryce Pruitt
Bryce Pruitt is an associate consultant with Guidepost Solutions bringing more than ten years’ experience in physical security, low-voltage systems, and complex building technologies. Mr. Pruitt contributes significant technical experience with access control, video surveillance, fire and life-safety equipment, and building automation technologies, along with the technical skills needed to support system performance and operational continuity. His hands-on background in field operations gives him a practical understanding of how security systems are installed, integrated, and maintained to ensure reliability in demanding environments.
Tre Crumpton
Tre Crumpton is an associate consultant with Guidepost Solutions, bringing more than a decade of hands-on experience in the design, installation, programming, and long-term maintenance of complex low-voltage and electronic security systems. His career foundation in field operations gives him a practical, systems-level understanding of how security technologies perform in real-world environments and how they must be designed to support reliability, scalability, and operational continuity.
Susannah Herkert
Susannah Herkert is a nationally recognized expert in the area of pharmaceutical controlled substance investigations and regulatory compliance. As a DEA compliance consultant, Ms. Herkert works with pharmacies and other DEA registrants that have been restricted by their suppliers in evaluating and enhancing their controlled substance polices and processes.
Jonathan Newcomb
Jonathan L. Newcomb is a senior managing director at Guidepost and has worked as an investigator for more than 20 years. A Certified Fraud Examiner, Mr. Newcomb’s skills range from complex research analytics to conducting various aspects of field investigations, including interviewing witnesses and collecting and preserving evidence.
Ramone A. Kegler
Ramone A. Kegler, Associate Vice President within the Healthcare, Education, and Life Safety practice, brings more than 20 years of expertise helping complex organizations design, implement, and manage networked physical security solutions. He guides clients from initial risk assessment and program design through technology implementation and long-term monitoring, delivering end-to-end advisory support at every stage of the security lifecycle.