• Studied physics (Diplom) and subsequent doctorate at the C.v.O. University of Oldenburg in the field of theoretical physics / complex systems.
• Simultaneous doctorate at the VU University of Amsterdam (double doctorate).
• Since 2011 head of DLR_School_Lab Bremen, the school laboratory of the German Aerospace Centre (DLR) in Bremen.

Große Kamphake, L., Stiefs, D. & Ostersehlt, D., Mission Pflanzenwachstum- Expedition zum Mars. Development of a teaching model in cooperation with the DLR_School_Lab Bremen. In: LeLa Magazin, Lernort Labor Bundesverband der Schülerlabore (2017), 3, 2017.

Runge, K., Stiefs, D., Schecker, H.: Effects of school preparation for a visit to the DLR School Lab. In: LeLa Magazine, August 2013 (2013), 3-5, 2013.

Zumsande, M., Stiefs, D., Siegmund, S., Gross, T., General analysis of mathematical models for bone remodelling, Bone, 48(4), 910-917, 2011 (doi:10.1016/j.bone.2010.12.010).

Yeakel J. D., Stiefs, D., Novak, M., and Gross T., Generalised modeling of ecological population dynamics, Theoretical Ecology, (2011) 4: 179, 2011 (doi:10.1007/s12080-011-0112-6).

Stiefs, D., Van Voorn, G. A. K., Kooi, B. W., Feudel U., Gross, T., Food quality in producer-grazer models - A generalised analysis, The American Naturalist, 2010.

Stiefs, D., Venturino, E., Feudel, U., Evidence of Chaos in Eco-epidemic Models, Mathematical Biosciences and Engineering 6 (4), 855-871, 2009.

Van Voorn, G. A. K., Stiefs, D., Gross, T., Kooi, B. W., Feudel, U., Kooijman, S. A. L. M., Stabilisation due to predator interference: comparison of different analysis approaches. Mathematical Biosciences and Engineering 5 (3), 567-583, 2008.

Stiefs, D. and Ostersehlt, D., EDEN for Kids-a project to support inquiry-based learning and learning about sustainability. In: Eilks, I., Markic, S., Ralle, B.: Building bridges across disciplines for transformative education and a sustainable future. , Aachen/ Shaker Verlag (2018), 283-288

Sajons, C., Stiefs, D. and Komorek, M., Target structures, characteristics and processes in school labs. In: C. Maurer (ed.), Quality Chemistry and Physics Teaching - Normative and Empirical Dimensions. Society for Didactics of Chemistry and Physics, Annual Conference in Regensburg 2017, 652-654, University of Regensburg, 2018.

Röben, P., Haverkamp H. and Stiefs, D., Teaching technical knowledge in the school laboratory - technical education at the extracurricular learning centre DLR, In: C. Maurer (ed.), Qualitätsvoller Chemie- und Physikunterricht - normative und empirische Dimensionen. Society for Didactics of Chemistry and Physics, Annual Conference in Regensburg 2017, 659-662, University of Regensburg, 2018.

Tamaddon, K., Stiefs, D., "Embodied Experiment of Levitation in Microgravity in a Simulated Virtual Reality Environment for Science Learning", IEEE Virtual Reality, Los Angeles, California, 2017.