Alex Lang

Alex Lang is currently a Member of Technical Staff at Perplexity, a company focused on developing AI technology to transform internet interactions.45 He has a strong background in artificial intelligence, machine learning, and physics.

Prior to joining Perplexity, Lang held several notable positions:

1. VP of Technology at Unlearn.AI, where he led teams working on generative AI models for medical applications.12
2. Senior Manager of Perception at Cruise, focusing on self-driving car technology.2
3. Director of Perception and Prediction at Motional, developing driverless vehicles.2
4. Machine Learning Research Scientist at nuTonomy (later Motional), where he contributed to the development of PointPillars, a groundbreaking algorithm for object detection in self-driving cars.2

Education and Early Career

Lang holds a Ph.D. in Physics from Boston University, where he worked with Pankaj Mehta.123 He also completed a postdoctoral research fellowship at the Salk Institute for Biological Studies under Terry Sejnowski, applying machine learning to neuroscience problems.2

Skills and Interests

Lang is known for his expertise in:

• Artificial Intelligence and Machine Learning
• Perception and Prediction systems for autonomous vehicles
• Applying physics concepts to biological problems
• Leading and inspiring technical teams

He describes himself as someone who loves "making science fiction a reality" and thrives on inspiring teams to tackle challenging problems.2