Short Resume

I am a postdoctoral fellow of the German Academic Exchange Service (DAAD) under Jonathan Katz's at the University of Maryland. Most of my research deals with public-key cryptography and its foundations.

I completed my Ph.D. with grade "summa cum laude" at Darmstadt University of Technology, Germany in November 2010. I was fortunate to work with my advisor Marc Fischlin in the research group Minicrypt. The title of my thesis was "On the Complexity of Blind Signatures" and can be found here.

Take a look at my Publications and my CV. You can find my google scholar page here.

Professional Activities

Program Committee

• 2012 - PKC
• 2010 - Workshop Pattern Recognition for IT Security in conjunction with DAGM

External Reviewer (Conferences)

• 2012 - TCC, CT-RSA
• 2011 - CRYPTO, CCS, Asiacrypt, PKC, ProvSec
• 2010 - CT-RSA, PKC, Africacrypt, ACNS, SCN, Asiacrypt
• 2009 - CRYPTO, Eurocrypt, TCC, CT-RSA, CANS, WPES, WeWoRC, ProvSec
• 2008 - Eurocrypt, TCC, CT-RSA, ACNS, Asia CCS

External Reviewer (Journal)

• 2011 - IET, JSS
• 2008 - IEEE Transactions on Dependable and Secure Computing (TDSC)

(Invited) Talks

2011

• Security of Blind Signatures, Revisited, Dagstuhl, Wadern, Germany
• How to Aggregate the CL Signature Scheme, ESORICS, Leuven
• Round Optimal Blind Signatures, CRYPTO, Santa Barbara, USA (VIDEO)
• Impossibility of Blind Signatures from One-Way Permutations, TCC, Brown University, USA

2010

• History-Free Aggregate Message Authentication Codes, Université de Rennes, France
• History-Free Aggregate Message Authentication Codes, Stevens, New Jersey, USA
• Privacy-Preserving Signatures and Beyond, Royal Holloway, London, UK
• On the Impossibility of Three-Move Blind Signature Schemes, EUROCRYPT, Monaco
• Confidential Signatures and Deterministic Signcryption, PKC, ENS, Paris, France

2009

• Provable Security Using at Example of Sanitizable Signature, ConnectIT, Darmstadt, Germany
• Security of VES and a Construction Without Random Oracles, Pairings, Stanford, USA
• History-Free Sequential Aggregation, WPK, Bertinoro, Italy
• Security of Blind Signatures Under Aborts, PKC, UCI, USA
• Security of Sanitizable Signatures Revisited, PKC, UCI, USA

Awards

• 2011 Postdoctoral Fellowship of the German Academic Exchange Service (DAAD)
• 2010 Fellow of the German Academic Exchange Service (DAAD)
• 2008 Best Teaching Assistant Award (awarded among all teaching
  assistants in computer science), Introduction to Cryptography, TU Darmstadt.
• 2000 Programming Award of Ricardo.de and Akte 2000