DSD - Dr. Steffan Datentechnik GmbH is a leading software development company specializing in accident reconstruction and crash evaluation. Founded in 1990 by Dr.

Hermann Steffan, DSD initially focused on developing software for accident reconstruction, including the widely-used PC-Crash software with thousands of licenses worldwide. Over time, DSD expanded its expertise to include biomechanics, structural mechanics, and multi-body simulations. Notably, DSD has performed extensive research and validation through sled tests and full-scale crash tests.

In 1998, DSD introduced the innovative HyperG catapult type sled, which revolutionized closed-loop control in crash evaluation. Since then, DSD has developed several additional testing devices. Their continuous involvement in national and international research projects ensures their expertise in automotive active and passive safety.

DSD also offers a range of services, including accident reconstruction and the development of crash test facilities. With over 4,500 offices and 6,000 installations worldwide, their flagship PC-Crash software has become a premier tool for accident reconstruction. Furthermore, DSD conducts over 1,000 accident reconstructions annually for court and scientific purposes.

Overall, DSD's commitment to software development, extensive research, and practical crash evaluation positions them as a trusted partner in accident reconstruction and crash testing