Nemanja Jovanović is a Doctor of Veterinary Medicine. Under the prefix Heartily, he breeds West Highland White Terriers, Scottish Terriers, Boston Terriers and Jack Russel Terriers. Many of his dogs won the World, European, International, and many beauty championships.
Nemanja Jovanović is an international judge for FCI groups 1, 2, 3, 4, 5, 6, 8, 9 and 10. He judged at many international shows inAustria, Belarus, Belgium, Brasil, Bosnia & Herzegovina, Bulgaria, Colombia, Chile, Croatia, Denmark, Estonia, Finland, Germany, Gorgia, Hungary, Holland, Indonesia, Israel, Ireland, Italy, Japan, Latvia, Litvania, Malta, Montenegro, Moldavia, Macedonia, Mexico, Norway, Portugal, Romania, Russia, San Marino, Slovakia, Slovenia, South Africa, Sweden, Spain, Turkey, Ukraine and Uruguay. He judged at World dog show in Helsinki, European dog show in Brno, Intera shows in Budapest and Split. Member of board of Serbian Toy dogs club.
He acts as a teacher in education seminars for student judges organised by Serbian kennel club and Faculty of Veterinary medicine in Belgrade.