Kristina Castle is a Professional Boxer, but she also has 17 years of experience in Hapkido.  She is a unique blend of a traditional martial artist with a modern competitive edge in Boxing and Kickboxing compiling a record of 17-0 before going Pro.  She loves teaching others and has grown into many roles as a competitor, teacher and training partner.  

This episode has some fun stories of how dropping her brother off at martial arts class led to her joining the school and becoming a professional fighter.  Now she and her brother both run schools.