Antonis Sidiropoulos

Antonis Sidiropoulos

Robotics Research & AI Engineer

About Me

Robotics Research & AI engineer with PhD in Robotics and 7+ years of experience in classical and learning-based control, motion planning and manipulation. Hands-on experience with action chunking transformers, Vision-Language-Action models, and large-scale vision models for robotic manipulation. First-author publications in top-tier robotics conferences (ICRA, IROS, Humanoids) and journals (AURO, JINT). Track record of deploying learning-based policies on industrial and agricultural robotic platforms, combining deep learning with classical control methods for safe, robust real-world performance. Passionate about embodied AI, and AI-driven autonomy for next-generation robotics.

Core Expertise

Robot Learning

  • Imitation learning (BC, DAgger, Diffusion Policy, ACT)
  • Reinforcement learning (PPO, SAC, DDPG)
  • Vision-Language-Action models (OpenVLA, SmolVLA, pi0.5)
  • Foundation models (SAM, DINO, CLIP, SigLIP)
  • Perception (instance segmentation, 6D pose estimation)

Planning & Control

  • Motion planning for multi-DoF manipulators (sampling & optimization based)
  • Impedance/admittance control
  • LQR, MPC
  • Collision avoidance

Technical Stack

  • PyTorch, LeRobot, HuggingFace
  • ROS2, MoveIt2, ros2_control
  • Isaac Sim, Mujoco, Gazebo
  • C++, Python, Docker, Git

Professional Experience

AI Engineer

Oct 2025 – Present

Fine-tuning and integration of LLMs and VLMs for automation and decision-making. Developing agentic workflows (ReAct, planning, tool calling) for multimodal AI applications.

Senior Robotics Software Engineer

Aug 2023 – Aug 2025

Led end-to-end development of ROS 2–based motion planning and manipulation stack for industrial applications. Fine-tuned and deployed action chunking transformers. Developed learning-based motion generation combining imitation learning with classical planning. Integrated transformer-based vision models for instance segmentation and grasp planning.

Research Assistant – Robotics & AI

Dec 2016 – Dec 2022

Developed imitation learning and reinforcement learning policies for agricultural manipulation, human-robot handover in assistive robotics, and collaborative manipulation. Authored multiple first-author publications in ICRA, IROS, Humanoids, AURO, and JINT. Contributed to 4 EU H2020 projects (Bacchus, RAMCIP, Collaborate, SMARTsurg).

Education

PhD in Robotics

Developed novel Learning from Demonstrations frameworks for motion generation and manipulation in dynamic environments, combining deep neural networks with dynamical systems for robust generalization. (Thesis)

B.Sc./M.Sc. in Electrical & Computer Engineering

Aristotle University of Thessaloniki (AUTH) | Sep 2011 – Nov 2016
GPA: 9.71 / 10 — Ranked 1st among all graduates (2006–2016)

Selected Publications

Full list of publications