About TET Systems

Your competent partner to access the Tet Technology

TET Systems is a privately held company located in Heidelberg, Germany. The company was founded by the inventors of the Tet Technology and owns all intellectual property rights to the technology. 

As one stop-shop for the Tet Technology, TET Systems will help interested parties to find the best license model to fit their specific needs. As a result, TET Systems has an active, growing licensing business with more than 500 concluded license agreements worldwide. Our licensees comprise a broad range of businesses from small biotech start-ups to large Pharma companies. 

In addition to further strengthening the Tet Technology IP position, TET Systems intends to broaden its IP portfolio by acquisition and in-licensing of innovative R&D technologies from third parties.


Management

Dr. Juergen GamerManaging Director
Dr. Juergen GamerManaging Director


Juergen Gamer joined TET Systems as Managing Director in March 2023. Before, Juergen held the position of SVP Business & Corporate Development at Apogenix AG between 2006 and 2023. From 2000 to 2005, he worked for Graffinity AG / Santhera Pharmaceuticals AG as VP, Business Development and Project Management. In the years from 1998 to 2000, Jürgen Gamer served at Clontech Lab. Inc. as Head of Business Development Europe. His industrial career started at BASF Pharma from 1995 to 1998. He obtained his Ph.D. in 1995 with highest honors from the “Zentrum für Molekulare Biologie” Heidelberg (ZMBH) at the University of Heidelberg, Germany.

LogoLogo
Dr. Sabine FreundliebManager, Scientific Affairs
Dr. Sabine FreundliebManager, Scientific Affairs


Sabine Freundlieb joined TET Systems as Scientific Affairs Manager in 2003 when the company was founded. From 2000 – 2003 she served as Manager Public Relations at Graffinity AG, Heidelberg. Before she held positions as university assistant at the ZMBH at Heidelberg University and as Research Scientist at Tufts Medical School, Boston. She was trained as a biologist at Univérsité Louis Pasteur, Strasbourg, Pasteur Institut, Paris, and University of Konstanz where she obtained her PhD in 1989.

LogoLogo
Dr. Christian GieffersManager, Licensing & Business Development
Dr. Christian GieffersManager, Licensing & Business Development


Christian Gieffers joined TET Systems as Manager Business Development & Licensing in March 2024. From 2022 to 2024 he was Managing Director and co-founder of TriCos Biotherapeutics GmbH. Before he worked at Apogenix AG (2006-2022) where he was accountable for the development of new drug candidates as VP Preclinical Development. From 2003 to 2006 Christian Gieffers was heading discovery and analytical development of peptide-based vaccines at AFFiRis GmbH Vienna, Austria (2003-2006). During his academic career he worked as a Post Doc at the Institute of Molecular Pathology (IMP) Vienna, Austria (1997-2002). In 1995 he obtained his PhD from the department of Biochemistry at the University of Bielefeld, Germany.

LogoLogo

Supervisory Board

Dr. Manfred GossenChairman of the Board
Dr. Manfred GossenChairman of the Board
LogoLogo
Dr. Ernst BoehnleinMolecular Biologist, previous Managing Director TET Systems
Dr. Ernst BoehnleinMolecular Biologist, previous Managing Director TET Systems
LogoLogo
Dr. Wolfgang WitzAttorney at Law
Dr. Wolfgang WitzAttorney at Law
LogoLogo

Inventors & Founders

The Tet Technology is based on seminal works of Drs. Hermann Bujard and Manfred Gossen. Since then, the Tet Technology has become the most powerful, versatile and widely used conditional mammalian expression system available.