A Beurling-Lax-Halmos theorem for spaces with a complete Nevanlinna-Pick factor (together with Raphaël Clouâtre and Michael Hartz) (arXiv, 2019; Proc. Amer. Math. Soc., 2020)

On Schatten-class perturbations of Toeplitz operators (together with Michael Didas and Jörg Eschmeier) (arxiv, 2016; Journal of Functional Analysis, 2017)

"30th International Workshop on Operator Theory and its Applications" (July 2019, Lisbon, Portugal)

"Recent Advances in Operator Theory and Operator Algebras 2018" (December 2018, Bangalore, India)

"Operator Theory 27" (July 2018, Timisoara, Romania)

"46th Canadian Operator Symposium" (June 2018, Winnipeg, Canada)

"Multivariable Operator Theory" (June 2017, Haifa, Israel)

"Operator Theory 26" (June/July 2016, Timisoara, Romania)

"International Workshop on Operator Theory 2014" (September 2014, Belfast, Northern Island)

"Masterclass Free Probability and Operator Algebras" (September 2013, Münster, Germany)

"A Beurling-Lax-Halmos Theorem for Spaces with a Complete Nevanlinna-Pick Factor" (July 2019),
30th International Workshop on Operator Theory and its Applications, Lisbon, Portugal (pdf)

"K-contractions" (December 2018),
Recent Advances in Operator Theory and Operator Algebras 2018, Bangalore, India (pdf)

"Schatten-class Perturbations of Toeplitz Operators" (November 2018),
PhD Defense, Saarbrücken, Germany (pdf)

"K-contractions" (September 2018),
Analysis Seminar, Lund, Sweden (pdf)

"K-contractions" (July 2018),
Operator Theory 27, Timisoara, Romania (pdf)

"K-contractions" (June 2018),
46th Canadian Operator Symposium, Winnipeg, Canada (pdf)

"K-contractions" (January 2018),
Oberseminar Funktionalanalysis, Saarbrücken, Germany (pdf)

"Schatten-class perturbations of Toeplitz operators" (June 2017),
Multivariable Operator Theory, Haifa, Israel (pdf)

"Schatten-p-class perturbations of Toeplitz operators" (June 2016),
Operator Theory 26, Timisoara, Romania (pdf)

"Schatten-p-class perturbations of Toeplitz operators" (May 2016),
Oberseminar Funktionalanalysis, Saarbrücken, Germany (pdf)

"Toeplitz- und Hankeloperatoren auf gewichteten Bergmanräumen" (July 2014),
Oberseminar Funktionalanalysis, Saarbrücken, Germany

"Die von Neumannsche Ungleichung" (November 2012),
Oberseminar Funktionalanalysis, Saarbrücken, Germany (pdf) (in German)

Dissertation (November 2018): "K-contractions, and perturbations of Toeplitz operators" (pdf)

Master's Thesis (August 2014): "Toeplitz and Hankel operators on weighted Bergman spaces and the Fock space" (pdf)

Bachelor's Thesis (November 2012): "Die von Neumannsche Ungleichung" (pdf) (in German)

Evelyn Weber, Master's Thesis, 2019: Pairs of Commuting Contractions (pdf)

Sebastian Toth, Bachelor's Thesis, 2017: Ein Satz über Rand-Darstellungen von Arveson (pdf) (in German)

Valerie Klauk, Master's Thesis, 2016: Dilatationssätze für m-Hyperkontraktionen (pdf) (in German)

Lecturer (together with Jens Horn, M.Sc.): Mathematics for Biology Students and Chemistry Teachers (in german)

Teaching Assistant: Differential Geometry (Prof. Fuchs) (in german)

Teaching Assistant: Mathematics for Biology Students and Chemistry Teachers (Jens Horn, M.Sc.) (in German)

Tutor: Hardy Spaces (Prof. Hartz)

Teaching Assistant: Higher Mathematics for Engineers IV b (Prof. Fuchs) (in German)

Lecturer: Functional Analysis I

Teaching Assistant: Minimal Surfaces (Prof. Fuchs) (in German)

Teaching Assistant: Differential Geometry II (Prof. Fuchs) (in German)

Lecturer: Mathematics for Biology Students and Chemistry Teachers (in German)

Teaching Assistant: Differential Geometry I (Prof. Fuchs) (in German)

Teaching Assistant: Reproducing Kernel Hilbert spaces (Prof. Eschmeier) (in German)

Teaching Assistant: Higher Mathematics for Engineers IV b (Prof. Fuchs) (in German)

Lecturer (together with Sebastian Langendörfer): Mathematics for Biology Students and Chemistry Teachers (in German)

Teaching Assistant: Completely Positive Maps (Prof. Eschmeier) (in German)

Teaching Assistant: Minimal Surfaces (Prof. Fuchs) (in German)

Teaching Assistant: Operator Algebras (Prof. Eschmeier) (in German)

Teaching Assistant: Linear Operators on Hilbert Spaces (Prof. Eschmeier) (in German)

Teaching Assistant: Topology (Prof. Eschmeier) (in German)

Lecturer: Mathematics for Biology Students and Chemistry Teachers (in German)

Teaching Assistant: Introduction to the Theory of Fourier Series (Prof. Eschmeier) (in German)

November 2018: Doctor of Natural Sciences

August 2014: Master of Science in Mathematics

April 2013: Bachelor of Science in Mathematics

2009-2014: Studies of Mathematics at the Saarland University, Saarbrücken

since January 2021: Software Developer at SAP

January 2017 - December 2020: Teaching Assistant (Working Group Fuchs)

November 2014 - March 2019: Research & Teaching Assistant (Working Group Eschmeier)

Student Association (mathematics): 2011-2013, 2014-2015

Student Parliament: 2017-2018 ((Deputy) Chairman)

September 2013 - January 2014 @ Stockholm University