Leadership Team

From 2010 to 2024, he served as Chief Marketing Officer for Amerimed EMS, where he built strong hospital relationships and led the company’s expansion from a single-state operation in Georgia to seven states, increasing monthly transports from 1,200 to 9,000.

Previously, as CEO of Psychiatric Solutions, Inc. and a Certified Addiction Counselor, John achieved financial goals through revenue growth and cost controls, recruited physicians, and strategically positioned the facility as a trusted community resource. He also implemented innovative programs that prioritized individualized patient care and increased admissions. John served as CEO of Acadia Healthcare, hiring and training senior management, overseeing operations, and developing census strategies across payer sources.

John earned his Bachelor of Science in Nursing from Emory University. He has two children and four grandchildren, and enjoys spending time with his family. Outside of work, he is passionate about fitness, running, and working out. Central to his leadership philosophy is the belief that driving growth and maintaining fiscal responsibility should never come at the expense of delivering high-quality, patient-centered care.

As CFO, Lee is responsible for leading the company’s financial strategy, budgeting, forecasting, financial reporting, and long-term growth initiatives. He is focused on providing the financial discipline, operational insight, and strategic clarity necessary to support Team Mobile Health Care’s mission of improving community health and safety through exceptional medical and behavioral health transportation services.

Prior to joining Team Mobile Health Care, Lee spent 12 years as Chief Operating Officer at New Constructs, a Nashville-based fintech and equity research firm. There, he led product strategy, business development, and company operations while helping develop innovative financial research technologies through collaborations with Google Cloud, Bloomberg, and faculty from Harvard and MIT.

Lee earned a Bachelor of Arts in Economics and Philosophy from Texas A&M University and completed Ph.D. coursework in Philosophy at Vanderbilt University. He also taught philosophy at Vanderbilt, an experience that strengthened the analytical thinking and disciplined decision-making he now applies to financial leadership.

Based in Nashville, Lee lives with his spouse and three children. Outside of work, he enjoys hiking, playing soccer, reading, and historical strategy board games.

At Team Mobile Health Care, Lee is committed to building a strong financial foundation that supports sustainable growth, operational excellence, and the highest standards of patient care.

Throughout his distinguished career, Rick has successfully led complex EMS organizations, expanded service offerings, integrated acquisitions, and developed high-performing leadership teams focused on operational excellence and exceptional patient care. Most recently, he served as Vice President of Operations – Southeast Region for AmeriMed EMS, overseeing operations across Georgia, Florida, and South Carolina.

Rick’s extensive leadership background includes executive roles with Central EMS, Emergency Medical Services, LLC, and Atlanta South Ambulance, where he played an instrumental role in strategic growth initiatives, operational integration, workforce development, and business expansion. He is recognized throughout the EMS industry for his ability to build successful organizations, mentor future leaders, and create cultures focused on accountability, performance, and service excellence.

His passion for EMS began through volunteer fire service and has evolved into a lifelong commitment to serving patients, communities, healthcare partners, and EMS professionals. As Team Mobile Health Care continues its growth across Tennessee, Georgia, and the Southeast, Rick’s leadership and vision will play a vital role in advancing the organization’s mission.

Paul, a Certified Advanced EMT, has 15 years of experience in the medical field, including more than 7 years in leadership roles. A Crisis Intervention trained officer, he brings extensive expertise in transporting both medical and mental health patients and is dedicated to delivering the highest standards of patient care and customer service. As Director of Operations for Tennessee, Paul is focused on supporting the company’s continued growth and expanding the services provided to communities across the state.

Born and raised in Tennessee, Paul lives in Tullahoma with his wife and four children. Outside of work, he enjoys exploring Jeep trails, cheering at baseball games, and kayak fishing with his kids.

Christine is a seasoned paramedic with over 19 years of experience in both public 911 and private EMS, including 12+ years in leadership. She is a Certified Paramedic in Georgia, Florida, and South Carolina, bringing a broad perspective to emergency medical care. Christine also teaches key life support and trauma programs, including AHA ACLS & BLS, NAEMT PHTLS, AMLS, EPC, GEMS, and Child Abuse Prevention.

As Georgia’s Director of Operations, Christine focuses on building strong, community-centered teams and expanding EMS services statewide. Her leadership emphasizes collaboration, compassion, and operational excellence. A 2023 graduate of the prestigious GEMSA Axioms Leadership Course, she brings expertise in operations, personnel development, and strategic planning. Christine serves on the Region 2 EMS-C Council, where she advocates for pediatric emergency care system improvements. She is also a certified Mental Health Resilience Officer, supporting the psychological wellness and resilience of EMS professionals.

Known for her dedication to patient care, Christine mentors the next generation of EMS professionals and actively promotes mental health awareness and child safety in emergency medicine. Outside of her professional life, Christine resides in Toccoa, Georgia, with her husband and son. She enjoys family time on the lake and cherishes weekends at the baseball field, cheering on her son during travel ball tournaments.

With a professional background spanning criminal justice, EMS operations, contract development, compliance management, and emergency communications, Maranda has built a reputation as a highly effective leader and trusted partner among healthcare providers, law enforcement agencies, behavioral health organizations, and government stakeholders. Her ability to navigate complex regulatory environments while fostering strong collaborative relationships has contributed to successful program development and organizational growth throughout her career.

In her role with Team Mobile Health Care, Maranda leads initiatives focused on expanding behavioral health transportation services, strengthening healthcare and public safety partnerships, supporting regional growth strategies, and advancing operational excellence across the organization. Her experience includes managing high-pressure operations, coordinating statewide initiatives, developing successful RFP responses, overseeing grant compliance, and implementing innovative service delivery models centered on compassionate, compliant patient care.

Recognized for her professionalism, leadership, and relationship-building abilities, Maranda remains committed to improving access to care, strengthening community partnerships, and supporting Team Mobile Health Care’s mission of delivering safe, reliable, and patient-centered transportation services.

Originally from Illinois, Madison began her EMS career at just 15 years old through a fire department cadet program. Her early exposure to emergency services sparked a passion for healthcare that led her to graduate from Southwest Tennessee Community College’s EMT program and pursue a career in EMS. Through dedication, leadership, and a strong commitment to patient care, she advanced from EMT to supervisor and ultimately into an operational leadership role.

With more than five years of EMS experience, Madison combines frontline clinical knowledge with operational expertise to support employees, improve service delivery, and ensure exceptional patient experiences. As a certified Mental Health First Aid Trainer, she is passionate about equipping healthcare professionals with the skills needed to provide compassionate, patient-centered care to those facing behavioral health and crisis situations.

Known for her hands-on leadership style, Madison is committed to mentorship, team development, and building strong, high-performing employees while helping shape the next generation of healthcare professionals.

Chastity Cadwallader serves as the Chattanooga Operations Manager for Team Mobile Health Care, bringing over a decade of frontline EMS experience and proven leadership to the organization’s growing East Tennessee operations.

Chastity began her EMS career in 2009 at just 19 years old, entering the field as a dispatcher before transitioning into field operations. She advanced her clinical credentials from Advanced EMT (AEMT) to Paramedic in 2019, achieving her paramedic certification while deployed on a hurricane response—an experience that reflects both her resilience and commitment to service in high-pressure environments. Chastity has spent the past seven years working as a paramedic, including five years in a leadership role.

Known for her passion for leadership and education, Chastity is deeply committed to mentoring the next generation of EMS professionals and fostering a strong, team-first culture. In her role with Team Mobile Health Care, she is focused on building high-performing teams, supporting clinical excellence, and expanding access to reliable, patient-centered medical transportation services across the Chattanooga region.

He is recognized for his commitment to accountability, professionalism, and building high-performing teams dedicated to exceptional patient care.

As a certified Crisis Intervention Team (CIT) Instructor, Chris is passionate about education, de-escalation training, and preparing EMS professionals to deliver compassionate, patient-centered care. His leadership focuses on creating a culture of teamwork, continuous improvement, and operational excellence while ensuring safe and reliable transportation services throughout East Tennessee.

John began his healthcare career in the United States Army, serving within a Special Operations unit where he developed the leadership, discipline, and commitment to service that continue to guide his professional approach today. Following his military service, he spent more than two decades in 911 emergency medical services, providing frontline patient care while leading teams in high-acuity environments.

Throughout his career, John has developed a passion for behavioral healthcare transportation and ensuring vulnerable patients receive safe, compassionate, and dignified care. As a certified BLS and ACLS instructor, he is equally committed to developing future EMS leaders through mentorship, education, and professional growth opportunities.

His leadership philosophy centers on leading by example, fostering accountability, building strong teams, and creating a culture where employees are empowered to succeed while delivering exceptional service to patients and healthcare partners.

He served as a Damage Controlman and Petty Officer Second Class aboard the USS Harry S. Truman (CVN-75), completing three deployments to the Persian Gulf, Mediterranean Sea, and Arctic Circle. During his service, Joshua specialized in shipboard firefighting, emergency response, fire investigation, and search and rescue operations. He led emergency response efforts as Incident Commander during General Quarters and played a key role in maintaining lifesaving systems and training more than 6,000 personnel in emergency preparedness.

Following his military service, Joshua transitioned into civilian EMS, where he has built over seven years of experience in both 911 and private services. He is a certified Advanced EMT in Georgia and South Carolina and an EMT in Florida, and serves as an instructor in EVOC, Child Abuse Prevention, AHA BLS, Heartsaver, and First Aid. Joshua currently works as an Operations Manager in Georgia and previously served as a Division Captain with Amerimed EMS, supporting major events and organizations. He is also a Journeyman Firefighter and a 2024 graduate of the GEMSA Axioms Leadership Course.

With more than a decade of progressive leadership experience in emergency medical services, patient transportation, business development, and healthcare operations, Matt brings a well-rounded perspective to EMS leadership. Throughout his career, he has held key leadership positions with Vital Medical Transport, Ascension, Acadian Ambulance, MedicOne Medical Response, and Transcare Medical, successfully overseeing multi-unit operations, logistics, fleet management, workforce development, and organizational growth initiatives.

Matt’s leadership philosophy centers on building strong teams, fostering accountability, and creating a culture where employees are empowered to succeed. His extensive experience developing healthcare partnerships and improving operational performance has helped organizations strengthen service delivery while maintaining a steadfast commitment to patient-centered care.

A graduate of Columbia Southern University, Matt holds a Bachelor of Science in Emergency Medical Services Administration. His combination of frontline EMS experience and executive operational leadership provides a strong foundation for supporting Team Mobile Health Care’s continued growth and expansion across Tennessee.

As Nashville Operations Manager, Matt is committed to advancing Team Mobile Health Care’s mission by delivering safe, reliable, and compassionate transportation services while building lasting relationships with healthcare partners and the communities we serve.

With 10 years dedicated to EMS billing, Nicole has developed expertise in coding, compliance, and process optimization.

She began her career in EMS billing as a coder, where she quickly built a strong foundation in documentation and reimbursement accuracy. After three years, she advanced to the role of Pre-Bill Supervisor, where she led teams, improved workflow efficiencies, and ensured regulatory compliance across billing operations. During this time, she also earned her EMS coding certification.

Nicole’s healthcare background is complemented by her early clinical experience as a Certified Medical Assistant in an OB/GYN practice, following the completion of her associate’s degree in psychology and technical training in medical assisting. She also brings valuable corporate experience from her role as a Dispute Resolution Specialist at Cargill, where she refined her skills in problem-solving, claims resolution, and client communication.

Marisa Pinnell serves as Communications & Dispatch Manager for Team Mobile Health Care, where she leads communication center operations and supports the coordination of patient transportation services across multiple markets. As a highly respected leader behind the scenes, Marisa plays a critical role in ensuring seamless communication, operational efficiency, and exceptional service delivery every day.

With more than a decade of experience in customer service, healthcare operations, scheduling, and communications, Marisa has built a reputation for professionalism, reliability, and compassionate leadership. Her ability to remain calm under pressure while managing high-volume communications environments has made her an invaluable resource for field crews, healthcare partners, patients, and leadership teams alike.

Marisa’s expertise extends beyond dispatch operations into workforce development, process improvement, and communication workflow optimization. She is passionate about supporting team members, improving operational outcomes, and creating systems that enhance both employee performance and patient care.

Her leadership reflects the critical role communications professionals play in EMS, ensuring the right resources reach the right place at the right time while supporting the organization’s mission of delivering safe, reliable, and compassionate transportation services.

Jacquelyn is an experienced HR professional and serves as Employee Relations Manager at Team Mobile Health Care, a leading ambulance service provider. She oversees payroll, new hire onboarding, insurance enrollment, and a wide range of employee relations matters, bringing a hands-on approach, attention to detail, and a commitment to fostering a supportive and efficient workplace.

She holds both an Associate of Arts and a Bachelor of Business Administration, blending academic knowledge with practical expertise to implement HR strategies that strengthen organizational performance. Outside of work, Jacquelyn enjoys traveling, tackling home improvement projects, and curating her personal style—interests that reflect the creativity and energy she brings to all aspects of her life.

Don was recently married to his wife, Sandy, and is the proud father of two children, Joshua and Tatum. His passion for EMS began after a major motor vehicle accident in 1986 and led him to start his career in 1988, working in both prehospital and hospital settings. In 1997, Don became co-owner, founder, and partner of Emergency Mobile Healthcare, which served the greater Memphis area until 2019.

During those years of building and leading the company, Don also experienced a profound spiritual awakening that deepened his relationship with God and inspired him to pursue a decade of study in Moral Theology and Spiritual Formation, culminating in ordination and chaplaincy. Influenced by saints, church fathers, Christian philosophers, and his personal faith journey, Don is passionate about helping others navigate life’s challenges through a faith-based lens.