
Medical Director– Tyler McCardell, MD, EMT-IT, NCEE
Tyler McCardell, MD, EMT-IT, NCEE is an EMS Physician and Clinical Assistant Professor of Emergency Medicine for Penn Medicine Lancaster General Health. In that role, he provides county-wide physician field response, coordinates prehospital educational programming, and is the medical director for multiple EMS agencies.
Dr. McCardell is residency-trained in Emergency Medicine at Allegheny General Hospital in Pittsburgh, where he served as Chief Resident and Assistant Medical Director for AHN LifeFlight, followed by an EMS Fellowship at the University of Pennsylvania. His background in EMS includes work as a field provider and agency manager, where he was instrumental in expanding Intermediate ALS in rural central Pennsylvania. He also maintains active certification as a Firefighter-I and Vehicle Rescue Technician. In his spare time, he enjoys trips to the mountains and national parks with his wife, daughter, and chocolate lab.

CEO/ EMS Chief– Christopher Colletti
I currently serve as the Chief of Operations at Wakefield EMS, a role I have held after progressing through various positions since joining the organization in 2009. Throughout my tenure, I have gained valuable experience, starting as an EMT and advancing to the role of EMS Chief. Outside of my professional responsibilities, I enjoy traveling with my wife and son, attending sporting events—particularly baseball, as well as the occasional race and football game. Additionally, I work part-time as a nurse in our local emergency room.

COO/ Deputy EMS Chief– Tanner Ettinger
I serve as the Deputy Chief of Wakefield EMS after beginning as a staff AEMT in January of 2019. Throughout my time here, I have progressed into various leadership roles and became a Paramedic in September of 2021.
As Deputy Chief, I seek to grow our providers and provide the best care to our community. I have a Bachelor of Arts in Economics from Franklin and Marshall College after moving here from Williamsport, PA, and finding a new home here.

CFO/Human Resources– Trisha Colletti
The Financial Coordinator at Wakefield EMS is responsible for managing the agency’s financial operations, ensuring accurate and timely processing of budgets, billing, and financial reports. This position involves overseeing revenue generation, including billing for EMS services, ensuring compliance with insurance requirements, and managing reimbursement processes. The Financial Coordinator works closely with senior leadership to develop and track budgets, monitor expenditures, and identify cost-saving opportunities, helping to maintain fiscal responsibility across all operational areas. They also assist with financial forecasting, audits, and reporting, ensuring that all financial records are accurate, up-to-date, and in compliance with applicable regulations.
In addition to financial management, the Financial Coordinator plays a critical role in supporting funding initiatives, such as grant applications, donations, and partnerships. They collaborate with department heads to align financial strategies with operational goals and ensure that financial resources are allocated efficiently. This role requires a strong understanding of financial systems, attention to detail, and the ability to communicate financial information clearly to both internal stakeholders and external auditors or funding bodies. The Financial Coordinator helps ensure the financial health of Wakefield EMS, enabling the agency to continue providing high-quality service to the community.

Transport Director– Tina Stauffer
Hi, my name is Tina Stauffer. I serve as the Transport Director and a Human Resource Representative at Wakefield EMS. I’ve been with the company as a volunteer since 2022 and accepted my career position in 2023. I have grown in so many ways as a provider, a person, and a friend. Wakefield is not just a company; it’s home.
When I’m not at work, I enjoy spending time with my family and friends. I have two daughters, a son, and two grandchildren. I enjoy time outside, traveling, the mountains, swimming, sunrises/sunsets, and COFFEE!!!!
I always say days may feel long, but time is short, so live like today is your last. Don’t let others hold you back from your future, whatever that may be. DECIDE, COMMIT, FOCUS, and SUCCEED!!!

Education Coordinator– Stew McKinsey
I have been with Wakefield EMS for 15 years. I have served many roles, including Assistant Chief, Lieutenant, and BLS Captain. I currently hold the position of Training Officer as well as serving on the Human Resources, Public Relations, and IT Departments.
I have watched Wakefield EMS grow and love the direction we are headed. I pride myself with being a part of an amazing team of providers and administrative staff that always puts “Community First”.