working together

Transforming people into Healthcare Professionals

Meet Our Team

Working together to deliver the highest quality EMS educational experience.

Sean Ewen, MD, NREMT

Founder & Executive Director

Prior to finishing medical school, Dr. Ewen worked as an EMT and EMS Supervisor with the University of Minnesota for several years.

He graduated Summa cum laude with a B.A. in Biology from the University of St. Thomas and received his M.D. from the University of Minnesota Medical School. He started Allied Medical Training in 2010 while in his second year of medical school.

Jenny Ewen, BA, NREMT

Director of Operations

Jenny attended the University of Toronto, earning a BA in Professional Writing and Communication, specializing in medical writing. She uses this expertise to design curriculae and company organization and strategy.

Before joining Allied Medical Training, she worked at a Minneapolis-based magazine and worked on print campaigns for a Fortune 500 client. She is an accomplished author of numerous print and online publications, including serving as Editor of our own publication, The Allied Times.

Joanne Ewen, JD, NREMT

Education Consultant

Joanne is an EMT, experienced mediator, and a former criminal justice professor. With extensive experience in academia, she develops curriculae for both online courses and in-class content.

Matt Baer, BS

Support Representative

Matt holds a B.S. in Psychology and Neurobiology from the University of Wisconsin–Madison, with experience across healthcare, research, and customer service roles. In these roles, Matt provided direct support to patients and customers, demonstrating strong communication and problem-solving skills.

Matt is committed to delivering excellent service and support for our students.

Shannon Zellmann, NREMT

Assistant Director of Training

Shannon holds an Associate degree in Business Communications. Before joining Allied Medical Training, Shannon enjoyed a 28 year career in security services and the military. She was the Assistant Director of Campus Safety at Gustavus College and managed the EMR/Security Officer team. Prior to that, she was the Director of Safety and Security at Valleyfair Amusement Park where she directed and managed the EMTs and the First Aid programs, developed safety programs for guests and staff, and directed security staff.

Shannon uses this expertise in management to maintain our high quality of training in the classroom.

Marven Ewen, MD, ABFM

Medical Director

Dr. Marven Ewen is a board-certified family physician licensed in Minnesota and Wisconsin with over 25 years experience practicing family and emergency medicine.

He has worked with EMS personnel throughout his career and brings this experience and medical expertise into the classroom to enhance students’ learning.

Becky Johnson, BS, MBA (EGD 2025), NREMT

Director of Education & Training

Becky Johnson brings over 15 years of expertise in instructional design, project management, and training delivery across multiple industries. She has led large-scale training initiatives and excels at creating engaging, strategic skills training solutions.

As part of her ongoing commitment to the EMS field, Becky has experience as a paid-on-call firefighter at Mendota Heights Fire Department for 7 years and runs their training academy.

With a BS in biochemistry and an MBA in progress, Becky combines technical aptitude with leadership skills to ensure project success and effective learning outcomes.

Sarah Fox, BA, NREMT

Support Specialist

Sarah earned a Bachelor degree from Eckerd College while handling customer service tasks for the campus library. She went on to work for Minnesota Reading Corps, provided administrative support in libraries at MN public schools, and gained experience in patient care as a Phlebotomist in multiple clinical settings.

Sarah uses her expertise in communication and clinical experience to assist in daily business operations and ensure student satisfaction in our online course environment and in the classroom.

Jerry Schmitz, NREMT

Lead EMS Instructor

With over 25 years of Fire and EMS experience, Jerry enjoys helping train future EMS professionals. As a former Captain with the Minneapolis Fire Department, he helped lead all types of Fire and EMS responses and specialized in technical rescue operations. Jerry brings a wealth of EMS experience to the classroom for our EMT and EMR students. He also stays active in providing continuing education and wellness training for the Fire and EMS community.

Casey Litchke, MD, FACEP

Medical Director (CAPCE Courses)

Dr. Litchke is a Board-Certified Emergency Medicine Physician with extensive training and experience in emergency medicine and ultrasound-guided emergency diagnostics and procedures. With a passion for POCUS, he teaches it to RNs, APPs, MDs, and medical students. Also proficient in both Portuguese and Spanish, Dr. Litchke is committed to serving diverse communities of people. Beyond practicing emergency medicine, Dr. Litchke is dedicated to education at home and abroad, having participated in multiple educational projects in Brazil.

Dr. Litchke brings his medical expertise and experience to our CAPCE-accredited courses by being a valued member of our CAPCE Committee to create, review, and continually optimize our refresher course offerings.

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