EMS Educational Staff

John R. Zartman, NRP, PI
Director, Emergency Medical Services and EMS Education

John Zartman, Director, Emergency Medical Services and EMS EducationJohn serves as the director of EMS educator and providers services for Community Health Network. He began his career in EMS while still attending Peru High School during the summer of 1973, while working for a local funeral home. Falling in love with the emergency side of things, he enrolled in one of Indiana's first emergency medical technician courses, becoming a National Registry EMT in the summer of 1974. Over the years, John has had the opportunity to work for and with many outstanding ambulance providers while developing a well-rounded knowledge of the EMS environment. He became a paramedic in 1979 and served as the director of EMS for Memorial Hospital Cass County EMS for 12 years before coming to Indianapolis. In Indianapolis he served with a major hospital as an EMS educator before transferring to a sister facility and serving as director of EMS education for the University of Saint Francis.

John holds a baccalaureate degree from the American College of Pre-Hospital Medicine, certificates of management from Indiana University-Indianapolis and most EMS certifications. John is a certified paramedic in Indiana and Florida, as well as a Nationally Registered Paramedic (NRP). He holds both provider and instructor certifications for CPR, ACLS, PALS, PPC, PHTLS and EVOC. He serves on the Indiana State EMS Commission Education Advisory Committee as well as being an Indiana State Practical Skills Representative and a National Registry Representative.

James R. Bence, DO, FACEP
EMS Medical Director, EMS Administration and Education Services

James R. Bence, DO, Medical Director, South DivisionDr. Bence began his pre-hospital career as an EMT in 2001 in Marion, Indiana where he received his undergraduate degree from Indiana Wesleyan University in 2002, followed by his master’s degree in physiology from Ball State University in 2004. He completed his medical degree from Lake Erie College of Osteopathic Medicine in 2008 and went on to complete his residency in emergency medicine at Wright State University in 2011 in Dayton, Ohio. He joined as staff physician in the Emergency Department at Community Hospital South in 2011. Dr. Bence has served as EMS medical director since 2012 for Greenwood Fire Department, White River Township Fire Department, Bargersville Community Fire Department and Trafalgar Volunteer Fire Department.

Joshua Armbruster, DO, FACEP
EMS Co-Medical Director

Joshua Armbruster, DOJosh is an osteopathic Emergency Room physician. Born in Dayton, Ohio, he attended medical school at Des Moines University College of Osteopathic Medicine in Iowa. He completed his residency at Doctors Hospital in Columbus, Ohio.

Josh has been serving with Community Health Network for ten years. He joined the EMS Administration and Education Department in 2018, and followed Dr. Vonderohe for approximately two months prior to his retirement. Josh is excited about the new opportunity and ready to learn and help make EMS better.

Josh is married to Jessi, and together they have two boys. He enjoys outdoor activities such as camping, hiking, golf and shooting sports.

Terri R. Hamilton, NRP, PI
BLS Coordinator, EMT Course Lead Instructor

Terri R. Hamilton, EMS EducatorTerri began in 1989 as a volunteer EMT with a local funeral home/ambulance service. In 1997, she helped create a new ambulance service that still operates in her local community. In 2002, she began as a director of that service and continues as an officer today. Also in 1997 Terri earned her primary instructor (PI) certification and began teaching EMT-B courses; she continues to teach 2-3 courses per year. In 2001, she earned her NREMT-Paramedic certification and worked full time with an ALS service until she accepted a position as a paramedic in the Emergency Department at Riley Children’s Hospital. In April 2007, Terri began as a full-time educator with Community Health Network.

Terri has served as an Indiana State Skills Representative since 1999 and in July 2006 was appointed by Gov. Mitch Daniels to the Indiana EMS Commission. Her certifications include nationally-registered paramedic (NRP), primary instructor (PI), EVOC, EVOC instructor, American Safety & Health Institute instructor, ACLS provider and instructor, PALS provider and instructor, BLS provider and instructor, PHTLS provider and instructor, and pediatric pre-hospital care provider.

Lindi B. Holt, PhD, NRP, PI
ALS Coordinator, Paramedic Course Lead Instructor

Lindi Holt, ALS coordinator, paramedic instructorDr. Holt serves as Lead EMS Paramedic Course Instructor for Community Health Network in Indianapolis, Indiana. Previously, she served as dean of operations for a College of Health Professions and program director for two prominent paramedic programs in Indianapolis.

Lindi completed her paramedic training in 1984 at Eastern Kentucky University and obtained an A.S. degree in Emergency Medical Care. In 1986, she earned her BS in Education and Sports Medicine from Eastern Kentucky University. In 1988, she earned an MS in EMS Education from University of Maryland Baltimore County. In 2006, she graduated from Capella University with her PhD in Education.

Professionally, she is a National Registry Examination Representative, site visitor for the CoAEMSP and ABHES, and an active member of the National Association of EMS Educators (NAEMSE). She is a regular presenter at state and national conferences.

Michael K. Matheny, NRP, PI
Special Programs EMS Educator

Michael K. Matheny, ALS Coordinator, Paramedic Course Lead EducatorMike completed his bachelor's degree in biology and sports medicine at Purdue University in 1985. He then began his career as the head athletic trainer at Cardinal Ritter High School in Indianapolis. In 1991, Mike completed his paramedic training through Wishard Memorial Hospital/Indiana University Medical Center. After his tenure as an athletic trainer, Mike took a position at Community Hospital South as a critical care paramedic in the ICU. In 1997, Mike completed an associate's degree in paramedic science at the Indiana University School of Allied Health. Mike is currently a nationally registered and state licensed paramedic, a state certified primary instructor (PI), and American Heart Association faculty for ACLS, BLS and PALS. He is affiliate faculty for PPC and PHTLS and the Indiana state coordinator for AMLS. Mike conducts special courses on prehospital 12-EKGs. He has special interests in cardiology, pharmacology, physiology and sports medicine.

Mike Anderson, NRP, PI
EMS Educator, Adjunct Faculty

Mike Anderson, EMS EducatorMike got his EMT certification in 1991 and started his EMS career as a volunteer in Carthage, Indiana. He also volunteered with Southwest District Ambulance Service while he lived in Knightstown. He has worked in the private ambulance sector as well as in the Emergency Department at Community Hospital East. Mike completed the paramedic program at Community Health Network in 2006 and in 2009 received certification as a primary instructor (PI). Mike is currently a full-time firefighter/paramedic with the Indianapolis Fire Department and has been an adjunct instructor for the EMS Education Department for seven years. Other certifications he holds include HazMat technician and swift water technician. He lives in Greenfield and is the proud father of four children, Carson, Ethan, Kylee and Kennedy.

James Christopher, NRP, NCEE, PI
EMS Educator, Special Events Coordinator

James Christopher, EMS EducatorJim began his EMS career after serving with the military as an EMT with the Wishard Hospital Ambulance Service in 1979. He advanced his education through completion of the Indiana University School of Medicine Paramedic Program in 1981. He continued to advance his training as he achieved the Indiana primary instructor (PI) certification and began teaching EMT courses as well as his primary responsibility of pre-hospital patient care. Jim eventually took a full-time teaching position with the ambulance service as their paramedic course coordinator. Jim served in that position until 1990, when he took the position of EMS coordinator for St. Francis Hospital in Indianapolis. Jim retired from St. Francis as the EMS coordinator, physician extender, safety director, and emergency preparedness manager. Today, Jim is an EMS educator and special projects coordinator at Community Health Network. He has served in many roles within Indiana, including Indiana’s international trauma life support coordinator, and holds many instructor certifications, including ACLS, PALS, EPC, ITLS, PHTLS, EVOC and AMLS. Jim’s special interests in EMS include pediatrics, trauma and special needs patients.

Clayton T. Garard, NRP, PI
EMS Educator, Affiliate Representative

Clayton T. Garard, EMS EducatorClayton began his career volunteering for a local service in 2007. After gaining his EMT certification, he worked in the private sector while finishing his associate’s degree in public safety at Ivy Tech Community College. He graduated valedictorian of his paramedic class in 2011, and began working in the Emergency Department at Community Hospital East. During his tenure as a paramedic in the ED, he completed a second associate’s degree at Ivy Tech in paramedic sciences. He began teaching CPR, ACLS and PALS for the ED and discovered a passion for education. He joined the EMS Education Department at Community Hospital East in 2014 after receiving his certification as a primary instructor (PI). His other instructor certifications include AMLS, PHTLS and EVOC.

Wendell E. Howard, NRP, NCEE, PI
EMS Educator, QA Coordinator

Wendell Howard, EMD educatorWendell Howard joined the Community Health EMS Education Team in 2018. He serves as the QA Representative and EMS Educator at Community Health Network. Wendell joined the Advance Volunteer Fire Department in 1981, igniting his passion for a career in public safety. He obtained his Indiana Paramedic Certification in 1987 from St. Elizabeth Hospital in Lafayette, IN.

Wendell’s work experiences include Boone County EMS, Tippecanoe County EMS (TEAS), and staffing emergency rooms in Lebanon, Lafayette and Carmel. He retired from the Carmel Fire Department in 2016. 

As an EMS instructor of nearly three decades Wendell has taught for multiple agencies, including several hospital-based paramedic programs.

Hope C. Welsh, NREMT
EMS Administrative Assistant

Hope Welsh, EMS adminHope is the administrative assistant for the EMS Education office at Community Hospital East.

While in high school, she began as a volunteer for Community Hospital South Emergency Department in 2011. After she graduated she was hired as a tech at Community Hospital South in the Emergency Department, and worked there for five years. She fell in love with EMS during her interactions with them in the ED, and joined Indianapolis Emergency Medical Services (IEMS) in 2016. There, she obtained her EMT certification and worked for two years before returning to Community Health Network in 2018.

She is currently enrolled at Ball State University, working toward her bachelor's degree in law to pursue her passion for first responders.