Meet the Team

Mark Yost, CPIA, AFIS - Sales Executive

Specialties: Commercial Insurance | Farm Insurance | Personal Insurance | Transportation 

Office Location: Lemoyne

About Mark: Mark is originally from Shamokin, PA and graduated from Lycoming College with a Bachelor’s degree in Business Administration with concentrations in Marketing and Finance. He started his professional career at Enterprise in the car sales division as Finance Manager for 9 years. He also worked for PA Media Group as a Healthcare Digital Marketing Account Executive before making the jump to Gunn-Mowery in 2017. Since joining Gunn-Mowery, Mark has earned his CPIA (Certified Professional Insurance Agent) and his Agribusiness and Farm Insurance Specialist (AFIS) designation. When Mark isn’t chasing around his daughter and son, he enjoys attending live concerts and sporting events, craft beer and riding his motorcycle (yes, it’s insured!)

Mark Yost

Mark Yost, CPIA, AFIS

Sales Executive

717.761.4600 x3114

Contact Mark:






Meet the Team