Meet Our Staff

Michael vest - director

Michael Vest is the Director of the Department of Public Safety. He came to the Department after a 20-year military career in the United States Army in the fields of intelligence and aviation. He served in various roles as interpreter, strategic debriefer, liaison officer, flight operations officer, battle captain, and instructor pilot. Among serving in various locations worldwide, he served two combat tours of duty in Iraq. He is bilingual in Korean and holds a Master’s in Emergency Services Management and a Bachelor’s in Aviation’s Studies with a focus in the Korean Language.

(610) 631-6506

Mike Vest

Administration and Public Affairs

michelle jackson - deputy director of public safety - Administration

As Deputy Director of Public Safety, Michelle Jackson is responsible for the control and monitoring of the Department’s budgets. In addition, she is responsible for maintaining standard controls for tracking both the expenditures and the receipts of revenue while ensuring that the Department is in compliance with the law as well as County policies. Michelle started her career at Public Safety in Emergency Management where she was a Municipal Planner and Deputy Director responsible for LGS planning and EOP updates. Michelle holds an Associate of Arts in Communications, a Bachelor of Science in Disaster and Emergency Management, and a Master of Public Administration. 

(610) 631-6500

Todd Stieritz - Public Affairs Coordinator

As Public Affairs Coordinator, Todd Stieritz is responsible for managing the department website and social media accounts, and for producing Public Safety News and the Annual Report. Todd also serves as the department Public Information Officer, responds to inquiries from the news media and the general public, and promotes the public image of the department at community events. Prior to his appointment as Public Affairs Coordinator, Todd served as the Municipal Planning Specialist within the Division of Emergency Management from June 2014 until October 2018. Todd holds a Bachelor of Arts in Government and Law from Lafayette College (2014) and is currently pursuing a Master of Public Administration and Graduate Certificate in City Management from Villanova University.

(610) 631-6544

Todd Stieritz

emergency Communications

Jennifer cass - deputy director

Jen Cass oversees the Emergency Communications Division as a Department of Public Safety Deputy Director and serves as the Montgomery County 9-1-1 Coordinator to the Pennsylvania Emergency Management Agency in all activities related to 9-1-1. Jen has been an employee of the Communications Division since 1996. She is an ENP and sits on several state and local committees.

(610) 631-6529

Jennifer Cass


A Platoon: Days

Emergency Communications - A Days

A Platoon: Nights

Emergency Communications - A Nights

B Platoon: Days

Emergency Communications - B Days

B Platoon: Nights

Emergency Communications - B Nights

Emergency Management

Jason Wilson - Deputy Director for emergency management

As Deputy Director for Emergency Management, Jason Wilson is responsible for managing the day-to-day duties of Division of Emergency Management staff and is responsible for maintaining the readiness the Montgomery County Emergency Operations Plan and Emergency Operations Center. Prior to his appointment as Deputy Director for Emergency Management, Jason served as a Municipal Planning Specialist and Radiological Specialist within the Division of Emergency Management. Jason holds an Associates of Arts in Fire Science from the Montgomery County Community College and a Bachelor of Arts in Public Safety Administration from Holy Family University.

(610) 631-6519

Jason Wilson

joe anna haelig - community resilience Coordinator

As Community Resilience Coordinator, Joe Anna Haelig is responsible for access and functional needs, facilities, mass care, mitigation, and recovery planning. She also serves as coordinator for damage assessment and as primary support for ReadyMontco and MontcoSAFER, the Department of Public Safety's external and internal mass notification systems. Prior to working for Montgomery County, Joe Anna served as a Disaster Case Manager for the SEPA Chapter of the American Red Cross. Joe Anna holds a Bachelor of Arts in Psychology from Rutgers University.

(610) 631-6528


Billy Messerschmidt - Assistant Director for Emergency Management Operations

As Assistant Director for Emergency Management Operations, Billy Messerschmidt is responsible for overseeing the operational side of Emergency Management, including the Hazardous Materials Response Team, Urban Search and Rescue Team, and Emergency Operations Center technology (including software). He is also responsible for Limerick Generating Station planning and response and high hazard dam planning. Prior to his appointment as Assistant Director, Billy served within the Division of Emergency Management as the Technological Hazards Planning Specialist, and before that, as the Radiological Planner. He holds a Bachelor of Science in Criminal Justice from Drexel University.

(610) 631-6525

Billy Messerschmidt

Jake Frye - Emergency Preparedness Specialist (Technological Hazards)

As Emergency Preparedness Specialist for Technological Hazards, Jake Frye is responsible for planning and preparing for incidents involving Limerick Generating Station and high hazard dam planning. Prior to his appointment as Emergency Preparedness Specialist, Jake served as the Radiological Planner from September 2019 to May 2020. Jake holds an Associate of Arts in Fire Science from the Montgomery County Community College and a Bachelor of Arts in Fire Science and Public Safety Administration from Holy Family University.

(610) 631-3020

Jake Frye

brandon pursell - hazardous materials program coordinator

As the Hazardous Materials Program Coordinator, Brandon Pursell is responsible for the design, development, preparedness, and operational response of the state-certified Montgomery County Hazardous Materials Response Team, where he serves as a Battalion Chief. Prior to his appointment to this position, Brandon served as the SARA Title II Reporting Specialist from September 2016 to January 2020 and as the Radiological Planning Specialist from January 2015 to September 2016. Brandon holds an Associate of the Sciences in Emergency Management and Planning from Montgomery County Community College.

(610) 631-6521

Brandon Pursell

beverlee stemple - sara title iii planning specialist

As the SARA Title III Planning Specialist, Beverlee Stemple is responsible for ensuring the compliance of approximately 280 sites in Montgomery County to the Emergency Planning and Community Right to Know Act (EPCRA) of 1986 and Pennsylvania Act 165 of 1990 (Hazardous Material Emergency Planning and Response Act). Bev has been with the Department of Public Safety since 1999, serving as Registrar at the Public Safety Training Campus before taking over her current role in the Division of Emergency Management in 2006. She has prior experience in fire investigation, serving as Deputy Fire Marshal for Conshohocken Borough, and multidisciplinary public safety training and education. Bev also has a background in the private sector, where she gained her degree in Business Administration and previously owned and operated three retail businesses.

(610) 631-3072

Beverlee Stemple

emergency medical services

david brown - deputy director

David Brown is the Deputy Director for Emergency Medical Services (EMS) and manages the EMS Division including the EMS Training Institute located at the Public Safety Training Campus. He also lends his support to emergency management projects as well as projects involving traffic incident management and public health medical countermeasures. David began his career with Montgomery County in 1991 and has extensive emergency services experience as an EMT, paramedic, engine company officer, heavy rescue technician (including agricultural rescue), SCUBA diver, emergency dispatcher, and educator. He holds a Bachelor's of Science in Biology Research from the University of Scranton, is a Certified Emergency Manager (CEM), and has earned the PEMA Professional Certification.

(610) 631-6518

Dave Brown

tim dunigan - pre-hospital Systems coordinator

As Pre-Hospital Systems Coordinator, Tim Dunigan is responsible for coordinating BEMS/DOH Ambulance Licensure (ALS/BLS/QRS) and the Voluntary Rescue Service Recognition (VRSR) Program. Tim also assists with the EMSOF request and recommendations, PCR collection, and statistical data. Prior to his appointment as Pre-Hospital Systems Coordinator, Tim served as the EMS Field Specialist within the Division of Emergency Medical Services from February 2006 until June 2010. Tim holds a Bachelor of Science degree in Business Administration/Marketing from Kutztown University (1986).

(610) 278-5233

Timothy Dunigan

ed martin - ems field specialist

As EMS Field Specialist, Ed Martin is responsible for coordinating the Quality Assurance program for the Department of Public Safety - EMS Division, facilitating complaint investigations, maintaining data for regional projects such as Ketamine for Sedation Assisted Intubation, and organizing Medical Advisory Committee Meetings. Ed serves as a liaison to the Department of Public Safety’s Emergency Management and Emergency Communications Divisions, assisting the former with disaster response and the latter with Emergency Medical Dispatch training for new telecommunicators and advising on issues related to EMS response. He also assists the Montgomery County Health Department in preplanning for a major health outbreak. Prior to his appointment as EMS Field Specialist, Ed served as Executive Director/Chief of Lafayette Ambulance and Rescue Squad. Ed was previously employed by the Department of Public Safety as EMS Field Specialist. Ed has an Associate’s Degree in Business Management and is currently enrolled in Business Administration-Project Management Program through Columbia Southern University.

(610) 631-6508

Ed Martin

OFFICE of the Medical Director

Dr. Alvin Wang - Regional EMS Medical Director/Chief Medical Officer

Dr. Alvin Wang is the Montgomery County Regional EMS Medical Director. Dr. Wang is double-board certified by the American Board of Emergency Medicine in Emergency Medicine and Emergency Medical Services. He has been conferred Fellow status by the National Association of EMS Physicians and the American Academy of Emergency Medicine. Dr. Wang is an Assistant Professor of Clinical Emergency Medicine at the Sidney Kimmel Medical College at Jefferson University and is the EMS director for Jefferson Health System Northeast in Philadelphia. Alvin has been continuously active in EMS since he started volunteering as an EMT in Northern NJ at the age of 16. After graduating with a degree in Civil and Environmental Engineering from Pennsylvania State University and completing his paramedic training at the Center for Emergency Medicine of Western PA, he attended medical school at the Philadelphia College of Osteopathic Medicine. Alvin has worked in rural, urban, and suburban settings as an EMT, Nationally Registered Paramedic, and a critical care flight paramedic. In addition, he serves as a medical director for Narberth Ambulance, Bensalem Rescue Squad, and as a federal medical officer for the PA-4 Disaster Management Assistance Team. As a graduate of the NTOA Basic SWAT school and the CONTOMS course, Alvin also serves as the embedded medical director and SWAT medic for the Bucks County South SWAT team and Haverford Township Special Response Team. Prior appointment as the Regional EMS Medical Director, Dr. Wang served in the role of Deputy Regional Medical Director from January 2014 to July 2018.

(610) 631-3098

Alvin Wang

brian P. pasquale, PhD, Mph, nrp - chief science officer

Dr. Brian Pasquale guides the scientific, research, and educational operations of the Department of Public Safety. He’s responsible for coordinating public safety research and scientific priorities so that they line up with the overall mission and goals of the Department of Public Safety as well as the County Administration. As the CSO, Brian creates and provides oversight of programs, policies, services, and environments that support the public health emergency response and the public safety of Montgomery County Residents. His responsibility within the Office of the Medical Director is to provide technology-focused guidance and scientific expertise to other Montgomery County Departments and engage in academic and operational activities including research, education, and training related to public safety and public health emergency response. Brian is the project developer for the Montgomery County Emergency Medical Overdose Surveillance System (EMODSS) project, a $1M grant initiative focused on data sharing in response to the opioid epidemic. His current initiatives have him focused on developing a situational awareness platform in response to the COVID-19 pandemic.

Aligned with his academic responsibilities, Brian is the Program Director for the Montgomery County EMS Training Institute Paramedic program. Under his academic oversight, the Montgomery County EMS Training Institute earned accreditation by the Commission on Accreditation of Allied Health Education Programs ( upon the recommendation of the Committee on Accreditation of Educational Programs for the Emergency Medical Services Professions (CoAEMSP). Additionally, the Institute also earned National Accreditation by the Commission on Accreditation of Pre-Hospital Continuing Education (CAPCE) for Emergency Medical Services training programs. He’s been a guest speaker as well as a subject matter panelist presenting on public health preparedness in the region. Brian has 25 years of Army Reserve experience, specializing in medical and technical intelligence. He’s a professor for American Public University, School of Security and Global Studies, and is still a practicing paramedic at Souderton Community Ambulance. Brian holds a Ph.D. in Public Safety / Public Health, as well as a Master’s in Public Health (MPH). 

(610) 631-6500

Brian Pasquale

Joe Sciandra - intelligence Project Manager

Joe Sciandra is a Project Manager on the Department of Public Safety’s Office of the Medical Director team focusing on the Emergency Medical Overdose Surveillance System (EMODSS). Joe’s background includes project management, deployment, development, and training for situational awareness tools for emergency management agencies. Joe is an adjunct instructor for FEMA’s Emergency Management Institute for the Integrated Emergency Management Courses (IEMC) and Preparedness Branch Courses including the Community Emergency Response Team (CERT) program. Joe is also the local Emergency Management Coordinator for Valley Township in Chester County. He has a bachelor’s degree in Computer Science from West Chester University and an Advanced Certificate in Emergency Management from Delaware County Community College.

(610) 631-3095

Joe Sciandra

fire programs

thomas J. garrity - deputy director

As Deputy Director of Public Safety, Fire Programs, Tom Garrity serves as the Director of the Montgomery County Fire Academy and is an appointed member of the Montgomery County Local Emergency Planning Committee. Prior to working for the Department of Public Safety, Tom served in the Philadelphia Fire Department for 36 years, with 17 years in the position of Deputy Chief. He holds a graduate degree in Public Safety Administration from St. Joseph’s University and is a graduate of the National Fire Academy’s Executive Fire Officer Program.

(610) 278-3500 ext. 6606

Tom Garrity

rob carovillano - rescue program coordinator

Rob Carovillano is responsible for administration and curriculum development for the Fire Academy’s rescue training programs. These programs enhance the abilities of Montgomery County's first responders in numerous disciplines of technical rescue including vehicle, confined space, structural collapse, rope/high angle, and water rescue. Rob is also a member of the Montgomery County Urban Search and Rescue team. Prior to coming to the County in 2016, Rob spent 13 years as an academic administrator and adjunct faculty member at Saint Joseph’s University in Philadelphia. Rob has an MS in Public Safety Administration and an MBA also from Saint Joseph’s University.

(610) 278-3500 ext. 6610

Rob Carovillano

martin joyce - hazmat program coordinator

(610) 278-3500

Martin Joyce

ed o'hanlon, Jr. - Professional Standards coordinator

As Professional Standards Coordinator, Ed O’Hanlon, Jr. is responsible for providing access to professional certification by the National Board on Fire Service Professional Qualifications (ProBoard) and International Fire Service Accreditation Congress (IFSAC) at various levels of competency for firefighters, fire officers, hazardous materials responders, and industry professionals. Ed also serves as the Test Site Coordinator for the Delegation of Authority testing site at the Montgomery County Fire Academy under the Voluntary Certification Program, Office of the State Fire Commissioner in accordance with Act 61 of 1995, the State Fire Commissioner Act. Prior to his current position, Ed served as the Fire Training Coordinator for the Montgomery County Fire Academy. He has a bachelor’s degree from La Salle University.

(610) 278-3500 ext. 6608

Ed O'Hanlon

law enforcement

jesse stemple - deputy director

(610) 278-1203

Jesse Stemple

david daugherty - Intelligence Coordinator

David Daugherty is responsible for overseeing the implementation and operation of the Advanced Law Enforcement Intelligence System (ALEIS), the County Wide Records Management System. In addition, Dave is responsible for establishing, implementing, and overseeing the Montgomery County Dept. of Public Safety Intelligence Center (MIC) and for coordinating and liaising with Local, State and Federal Law Enforcement agencies regarding first responder and Homeland Security issues. After graduating high school, Dave enlisted in the United States Marine Corps. While serving in the Reserves as an artilleryman, he fulfilled a combat deployment to Iraq as provisional Military Police and then completed his bachelor’s degree in Criminal Justice from West Chester University. After obtaining his degree, Dave was commissioned as an officer in the Marine Corps and served another 6 years active duty as Military Police, spending 3 years in Okinawa and fulfilling another combat deployment to Afghanistan as the Officer in Charge of a Police Advisor Team for the Afghan Police. After 12 years of service and an Honorable Discharge, Dave served as a Deputy Coroner for the Chester County Coroner’s Office for a year before being promoted to Chief Deputy Coroner. He served another 2 ½ years as Chief before accepting his current position with Montgomery County.

(610) 631-6515

Dave Daugherty

janine paul - law enforcement training coordinator

As the Law Enforcement Training Coordinator, Janine Paul is responsible for scheduling and overseeing the courses being offered at the Montgomery County Training Academy. Janine assists in instructing courses and updating lesson plans. Mrs. Paul started her professional career as an officer with the United States Secret Service Uniformed Division in Washington, D.C. During her tenure with the Secret Service, she served on numerous details for the President and Vice President, as well as other foreign dignitaries. She served as Missions Liaison Officer, part of the Deputy Chief’s staff, to handle all security issues, including conflict resolution to approximately 500 foreign embassies. She also was part of the Trek Patrol Team and was hand-picked to be one of the officers on the distinguished U.S. Secret Service Honor Guard. Her last few years with the Uniformed Division were spent at the James J. Rowley Training Center as Officer/Technician training all recruits and active personnel in protective driving. Janine is a security, protective, and evasive driving certified instructor with a vast experience developing and delivering advanced training to Local, State, and Federal Law Enforcement as well as Executive Protection Specialists, Corporate Security teams, and various branches of the U.S. Military.

(610) 278-3500 ext. 6603

Janine Paul

Matthew Roberto - School Safety Coordinator

Matthew Roberto previously served as an FBI Agent, most recently in the Newark Division, for 31 years. As the School Safety Coordinator, Matt is responsible for the coordination of training and resources for County students and school entity staff in matters relating to school security and preparedness.

(610) 278-3500 ext. 6629

Matthew Roberto


brian mckown - Deputy Director for Technology

As Deputy Director for Public Safety Technology, Brian McKown is responsible for overseeing the Department of Public Safety’s Technology Division and for facilitating the Department-wide coordination of technology-based initiatives. Brian served in the United States Navy for six years prior to beginning his career in Montgomery County in 2010 as a 9-1-1 telecommunicator. In 2014, he joined the QA/QI team as a Quality Analyst, before becoming the Emergency Communication Division’s Assistant Director for Professional Standards in 2016. Brian was promoted to his current Deputy Director position in 2019 and was tasked in overseeing the Department’s newly formed Technology Division. Brian holds a Bachelor of Science in Nuclear Engineering Technology from Thomas Edison State University and a Master of Science in Emergency Services Management from Columbia Southern University.

(610) 631-6524

Brian McKown

amy hrvatin - public safety GIS coordinator

As Public Safety GIS Coordinator, it is Amy Hrvatin’s role to provide GIS resources to support and assist all divisions within the Department of Public Safety. It is Amy’s responsibility to design, maintain and produce geospatial data, perform spatial analysis and produce maps/web applications. Prior to employment with Montgomery County, Amy worked at Columbia County as a GIS Technician for three years. Here she supported all of the county’s and municipals’ needs for GIS, which included public safety. Amy holds a Bachelor of Science in Marine Sciences and Environmental Studies from Stony Brook University (2014) and a Master’s degree from the University of Albany in Geographic Information Systems and Spatial Analysis (2015). 

(610) 631-6534

Amy Marshall