Hanz was born into the Güldenstädt family, his father was a biological and medical scientist attempting to create new drugs to ensure they had a future as well as the people within the country. This profession was inherited down from past generations such as Haz' father and his father before him. Hanz' grandfather was a scientist during the war, he was forced by the German regime to look into the use of biological weapons in order to defeat the enemy. Safe to say, the allies won before any such weapon could be created or used. Heinrich, Hanz' father used to tell him the stories of his grandfather in order to secure a future for his son in the same profession. Hanz was fascinated from then on and particularly on his grandfathers work.
Hanz was a grade A student at school, gathering everything he needed in order to go onto further education , particularly biological science. Hanz would go onto university in order to study this, his father and mother supporting him on the way. Hanz would come away from University and proceed onto working within a lab that would study the effects of diseases on living organisms, this would be to ensure that they could create new vaccines in order to protect those that would become infected from various diseases.
Hanz obsession for his grandfathers work would come back to haunt him in his later years however, he would find the documents regarding the work found within his fathers wardrobe. Hanz would keep these documents closely in order to get an idea of what his grandfather was thinking at the time. He was surprised.
From the documents, Hanz began to indulge in finding out more about human anatomy and began to study in medical and psychological sciences, in order to see how the human body worked. He would continue to study for years to come.
Come present day and Hanz is in his adult years, he is still studying in medical and psychological sciences, in order to further his studies, Hanz travels to South Zagoria, Chernarus in order to talk to inmates within the Storozh Prison, this is when the Outbreak struck. Hanz has been by himself for a large portion of the outbreak, studying the infected from afar in order to find out what they really are capable of.