Till Speicher

Researcher, Aleph Alpha Research

Joined

July 2019

Names

Till Speicher

Emails

****@mpi-sws.org (Confirmed)

****@aleph-alpha-ip.ai (Confirmed)

****@aleph-alpha-research.com (Confirmed)

Personal Links

Career & Education History

Researcher

Aleph Alpha Research (aleph-alpha-ip.ai)

2025 – Present

PhD student

MPI-SWS (mpi-sws.org)

2017 – 2024

Undergrad student

Saarland University (uni-saarland.de)

2013 – 2017

Advisors, Relations & Conflicts

PhD Advisor

Krishna Gummadi

2017 – 2024

Expertise

Deep Learning

Generative Models

2018 – Present

Fairness

2017 – Present

Publications

Revisiting Privacy, Utility, and Efficiency Trade-offs when Fine-Tuning Large Language Models
Soumi Das, Camila Kolling, Mohammad Aflah Khan, Mahsa Amani, Bishwamittra Ghosh, Qinyuan Wu, Till Speicher, Krishna P. Gummadi
- Submitted to ICLR 2026
- Readers: Everyone
Investigating the Effects of Fairness Interventions Using Pointwise Representational Similarity
Camila Kolling, Till Speicher, Vedant Nanda, Mariya Toneva, Krishna P. Gummadi
- Accepted by TMLR
- Readers: Everyone
Rethinking Memorization in LLMs: On Learning by Rote vs. with Understanding
Till Speicher, Bishwamittra Ghosh, Mohammad Aflah Khan, Qinyuan Wu, Vedant Nanda, Soumi Das, Krishna P. Gummadi, Evimaria Terzi
- Submitted to ICLR 2025
- Readers: Everyone
Understanding the Role of Invariance in Transfer Learning
Till Speicher, Vedant Nanda, Krishna P. Gummadi
- Accepted by TMLR
- Readers: Everyone
Understanding the Mechanics and Dynamics of Memorisation in Large Language Models: A Case Study with Random Strings
Till Speicher, Aflah Mohammad Khan, Qinyuan Wu, Vedant Nanda, Soumi Das, Bishwamittra Ghosh, Krishna P. Gummadi, Evimaria Terzi
- Submitted to ICLR 2024
- Readers: Everyone
Exploring Pointwise Similarity of Representations
Camila Kolling, Till Speicher, Vedant Nanda, Mariya Toneva, Krishna P. Gummadi
- Submitted to ICLR 2024
- Readers: Everyone
Diffused Redundancy in Pre-trained Representations
Vedant Nanda, Till Speicher, John P Dickerson, Krishna P. Gummadi, Soheil Feizi, Adrian Weller
- NeurIPS 2023 poster
- Readers: Everyone
Invariance Makes a Difference: Disentangling the Role of Invariance and Equivariance in Representations
Till Speicher, Vedant Nanda, Krishna P. Gummadi
- 22 Sept 2022 (modified: 13 Feb 2023)
- ICLR 2023 Conference Withdrawn Submission
- Readers: Everyone
Learned Neural Network Representations are Spread Diffusely with Redundancy
Vedant Nanda, Till Speicher, John P Dickerson, Soheil Feizi, Krishna Gummadi, Adrian Weller
- Published: 01 Feb 2023, Last Modified: 13 Feb 2023
- Submitted to ICLR 2023
- Readers: Everyone
A Unified Approach to Quantifying Algorithmic Unfairness: Measuring Individual &Group Unfairness via Inequality Indices
Till Speicher, Hoda Heidari, Nina Grgic-Hlaca, Krishna P. Gummadi, Adish Singla, Adrian Weller, Muhammad Bilal Zafar
- 2018 (modified: 12 Nov 2022)
- KDD 2018
- Readers: Everyone

View all 11 publications

Till Speicher

Names

Emails

Personal Links

Career & Education History

Advisors, Relations & Conflicts

Expertise

Publications

Co-Authors