Will Krost, MD, MBA, NRP, is an Emergency Physician, EMS Medical Director, former flight physician, Paramedic, and former Hospital Administrator. He currently resides in Louisville, KY with his wife and 3 children. He is a faculty member with the University of Louisville Department of Emergency Medicine.

Will has taught at EMS Conferences across the country and abroad for nearly 20 years. In addition to his conference work, Will has been a Professor of Emergency Medicine, Healthcare Leadership, Process Improvement, EMS, Physician Assistant Studies, and Pharmacology for over a decade.

Julie first started working with Limmer Education as a freelancer in 2015, where her first project was the launch of EMTReview.com! In 2019, she became Limmer’s first-ever full-time employee.

She has 17+ years of experience in marketing and advertising, beginning as a copywriter and moving through marketing agencies, freelance, and the corporate world. While her day to day is now focused on growth and strategy, she will always be a copywriter at heart.

Julie lives in the Phoenix area with her husband, son, and three dogs. She enjoys literary fiction, talks a lot about dogs, and does her best to be a good gardener.

Hilary started with Limmer Education as a Sales Manager in 2024, after five years in Enterprise SaaS sales, by way of the e-commerce, apparel, and higher ed fundraising worlds. As an Account Manager, Hilary will be focused on supporting our educator customers and ensuring educators and students are equipped for their EMS education journey.

Hilary lives in Southern Maine with her husband and a gaggle of children and cats. In her free time, she enjoys spinning and gardening and is always trying to learn how to play a new instrument. Ask her about the time she played banjo in a bluegrass band.

As Senior Brand Designer with Limmer Education, Bianka helps design, create, and deliver marketing assets to support the company. After getting an Arts, Media, and Engineering degree at Arizona State University, she started as a digital marketer for a SAAS company. Bianka also has experience with freelance design. She started at Limmer Education in 2021 and is excited to learn all that the EMS world has to offer.

Bianka lives in Arizona with her husband (Ryan) and her corgi (Benny). In her free time, she enjoys spending time with her family, playing board games, and taking long walks (when it isn't 100+ degrees outside). Bianka can often be found driving around in her yellow car on a quest to find the perfect margarita pizza.

Maddie joined the Limmer Education team in 2021 as our Administrative Assistant. Her background is in English and non-profit work. She served two years as an AmeriCorps member in Austin, TX, as a literacy tutor. In 2025, Maddie stepped into the Sales and Customer Support Specialist role to provide support to Limmer Education's Sales team and their customers.

Maddie currently lives in South Glens Falls, N,Y with her boyfriend and two cats, Little One and Olive, who definitely run the household. She enjoys spending time outdoors, reading, knitting, and writing. Maddie can often be found baking and experimenting with new recipes as she has a wicked sweet tooth.

J. Todd Vreeland has over twenty years of experience in the emergency medical service profession. Starting his career as a volunteer EMT for a non-profit ambulance service, he has worked as an EMT and Advanced EMT before being licensed as a Paramedic. Mr. Vreeland has worked for various private, municipal fire, and combination EMS departments during his career. Mr. Vreeland's career includes 17 years as a Fire Service Paramedic, Field Training Officer, and Adjunct Instructor for the Philadelphia Fire Department and over fifteen years of experience as a line and chief officer for several combination EMS departments in suburban Philadelphia.

Mr. Vreeland developed and managed an associate's level paramedic certification program and worked as the National Registry of EMT Coordinator of Examinations. At the National Registry of EMT, he worked with EMS educators, regulators, and physician medical directors to develop the national EMS certification exams. Currently, he is the Co-chair of the International Board of Specialty Services' Item Writing & Exam Construction Committees.

Terri joined Limmer Education in 2025 as our Account Manager, bringing with her an extensive background in nonprofit management and business operations. She enjoys building relationships and is driven to make a difference in the lives of those she meets along the way. She is excited about her role and looking forward to supporting our educators and students.

Terri lives in Missouri and is married to her high school sweetheart. They have three grown children, a son-in-law, daughter-in-law, and their first grandchild. She enjoys life on acreage with a small menagerie of animals, enough to start a small petting zoo. She loves spending time with her family (especially when games are involved, always lots of laughs), exploring the outdoors, music, reading, and has a passion for photography.

Shaina joined the Limmer Education team as an Admin Assistant in 2025. She provides administrative support across multiple departments, helping to facilitate communication, recordkeeping, and smooth daily operations. Before joining the Limmer Education team, Shaina supported outcomes for patient health and preventative care at Medtronic Care Management Services and with the California Department of Public Health. She is excited to become a part of the world of EMS education.

She lives in Riverside, California, with her partner, Madison. Together, they enjoy watching Star Trek and dream of opening their own shelter for rescued pets. Shaina is a regular at her local board game club. She loves social deduction games and can turn any gathering into an impromptu experience, so come prepared! 

Jennifer Purdie is a content creator with experience creating evidence-based medical and healthcare content. She has worked with hospital systems and health publishers, translating complex clinical topics into clear, engaging education for clinicians and patients alike. 

Jennifer lives in Arizona and enjoys staying active, reading, and taking in the desert landscapes.