It seems he did a lot of work on CP2077:
Senior Gameplay Designer
2020 –
Cyberpunk 2077
- Implementing skills & perks
- Creating pipeline for balancing the game and economy
- Helping balance the game and economy
- Working closely with UI team on various screens & panels - inventory, character progression, crafting, cyberware,
Lead Gameplay Designer - RPG
2019–2021
Cyberpunk 2077
- Leading team of 3 designers
- Working closely with other designers in merging and introducing RPG mechanics and elements into various features - guns, netrunning
- High level design and implementation of crafting system based on vision provided by Gameplay Director
- Improving pipelines between content and design team
- Improving and executing the pipelines between artists and design team - clothing, cyberware
RPG Coordinator
2018–2019
Cyberpunk 2077
- Coordinated team of 2 designers in developing core RPG features
- Worked closely with programmers on expanding existing pipelines of creating data structures for stats, status effects, items
- Worked with artists on assets creation pipeline required to deliver gameplay features - clothing system, cyberware
Specialist Gameplay Designer
2017–2018
Cyberpunk 2077
- Designed and implemented progression and itemization systems
- Worked with team of programmers on creating pipelines and tools for balancing the game and economy
- Prepared framework for other gameplay designers to use in their respective features - guns, AI, player locomotion
Junior Gameplay Designer
2016–2017
Cyberpunk 2077
- Prepared high level designs for gameplay features related to progression systems
- Designed and helped introduce DataBase system and data structures to the engine - stats, items
- Helped establish core RPG features
Source: