Miranda was born and raised around horses, all her life. She started out being led around by her mom when she was still in diapers. She grew up showing in all kinds of classes including: Western Pleasure, Halter, Hunt Seat Equitation, Horsemanship, Barrel Racing, and Pole-bending.  In High School she competed in High School Rodeo from her Sophomore through her Senior year and garnered many accomplishments during those years. After High School, she went to Stephens College and got a Bachelor of Science in Equestrian Studies & Small Business Management and was apart of their Equestrian Program. During those years she improved her horsemanship skills, learned about Hunt Seat/ Jumping, gained knowledge in Reining, and learned more about training horses. Since graduating she came home she started Mammen Quarter Horses. While taking on outside horses for the public.