Jen Mandracia. Chief Horse Care Professional. Born and raised in California she managed horseman's park, where she was the head director of the riding school. Jen joined the performance farm team in January of 2002, and is a Master of horse care. She is Cesar's right hand when it comes to the care, health and presentation of his top horses. She has attended numerous international competitions such as: 2003 Pan American Games 2004 Olympic Games 2005 World Cup 2005 Aachen