current positions
education & previous positions
- staatsexamen mathematics and physics (secondary education), universität würzburg, 1997
- diplom mathematics, universität würzburg, 1997
- ph.d. mathematics, temple university, 2000
- robert riley assistant professor, binghamton university (suny), fall 2000 - spring 2003
- member, mathematical sciences research institute, berkeley, fall 2003 & spring 2008
- member, max-planck-institut für mathematik, bonn, spring - summer 2004
- assistant professor, san francisco state university, fall 2004 - spring 2009
- associate professor, san francisco state university, fall 2009 - spring 2013
- professeur invité, université d'evry val d'essonne, may 2012
- visiting scholar, cornell university, august - september 2014
- gastprofessor, technische & freie universität berlin, october - december 2014
- visiting professor, vassar college, spring 2015
- associate chair of mathematics, san
francisco state university, fall 2016 - spring 2019 & spring
2021 - spring 2023
- gastprofessor, freie universität berlin, fall 2019 - summer
2021
research & writing
teaching & mentoring
- undergraduate and graduate courses at binghamton, fu berlin, and sf state, including number system, proofs & exploration, number theory, complex analysis, algebra, combinatorics, linear algebra, probability
& statistics, discrete geometry, computational geometry, communicating mathematics,
capstone seminar
- adviser to numerous research students and postdocs at sf state, uc berkeley, fu berlin, and msri
- mentor for the national alliance for doctoral studies in the mathematical sciences (since 2009)
- research director for msri-up 2012
- research leader for reuf 2014
- codirector of the san francisco math circle (2005-1014)
- director of the (cm)² program at sf state (2009-2014)
- consultant for project next (2009/10, 2014-16, 2021/22)
- 2012 award for distinguished college or university teaching of mathematics, northern california, nevada & hawaii section of the mathematical association of america
- 2013 deborah and franklin tepper haimo award for distinguished college or university teaching of mathematics
grants
editorial boards
conference organization
languages etc.
detailed cv