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IEEE/RSJ IROS WS — Geometric Representations in Robotics
Structured priors, metrics, constraints & groundings for Manipulation

Invited Speakers


We are delighted to have a distinguished line-up of speakers from across sensing, learning, planning, and control — united by the role of geometric structure in robotic manipulation.

(i) Geometric Priors & Groundings for Sensing

Joan Lasenby
Prof. Joan Lasenby Confirmed
Professor, University of Cambridge, UK
Personal website

Joan Lasenby is a Professor in the Signal Processing and Communications Group at Cambridge. Her research focuses on applied geometric algebra, computer vision, and motion capture, with strong emphasis on geometric representations for sensing and estimation in physical systems.

Georgia Chalvatzaki
Prof. Georgia Chalvatzaki Confirmed
Professor, Technical University of Darmstadt, Germany
Personal website

Georgia Chalvatzaki leads the PEARL Lab at TU Darmstadt. Her research lies at the intersection of robot learning, planning under uncertainty, and human-robot interaction, with a focus on structured and geometrically-grounded representations for manipulation.

(ii) Structure-Preserving Learning & Manifold-Valued Representations

Arne Sachtler
Arne Sachtler Confirmed
Researcher, TU Munich – German Aerospace Center (DLR), Germany
Personal website

Arne Sachtler's research focuses on manifold-valued motor skills, Riemannian geometry for robot learning, and structure-preserving representations for manipulation, particularly in the context of bimanual and dexterous tasks.

Constantinos Chamzas
Prof. Constantinos Chamzas Confirmed
Assistant Professor, Worcester Polytechnic Institute (WPI), USA
Personal website

Constantinos Chamzas works on learning-guided motion planning and geometric representations for robot manipulation, with emphasis on Experience-based Planning Domains and structured latent spaces that respect geometric constraints.

(iii) Geometry-Aware Planning, Optimization & Control

Robert Mahony
Prof. Robert Mahony Confirmed
Professor, Australian National University (ANU), Australia
Personal website

Robert Mahony is a world-leading expert in geometric control theory, Lie group methods for robotics, and observer design on manifolds. His work spans vision-based control, aerial robotics, and geometric mechanics for fully actuated and under-actuated systems.

Johannes Lachner
Dr. Johannes Lachner Confirmed
Postdoctoral Researcher, Massachusetts Institute of Technology (MIT), USA
Personal website

Johannes Lachner's research focuses on geometric methods for robot control and manipulation, including task-space control on Lie groups, geometric fabrics, and structured optimization for compliant physical interaction.

(iv) Geometric World Models, Affordances & Generative Representations

Jen Jen Chung
Prof. Jen Jen Chung Invited
Professor, University of Queensland, Australia
Personal website

Jen Jen Chung works on probabilistic and geometric representations for robot navigation and manipulation in uncertain environments, with particular interest in Gaussian processes, spatial reasoning, and information-rich planning.

Francesco Bullo
Prof. Francesco Bullo Invited
Professor, University of California, Santa Barbara (UCSB), USA
Personal website

Francesco Bullo is a leading authority on geometric mechanics, network systems, and distributed control. His research on Lagrangian and Hamiltonian mechanics for robotic systems, Lie group methods, and geometric control has been foundational to the field.