Who are the influential voices in recent breakthroughs in renewable resources?

There isn’t one definitive list: the influential voices change depending on whether you mean solar technology, energy storage, wind, geothermal power, or the policies that help new systems reach the grid. A few people whose work or leadership is closely tied to these areas are:

• Martin Green of UNSW Sydney has helped shape modern silicon photovoltaic research, including work on improving solar-cell efficiency.
• Henry Snaith at the University of Oxford is a prominent researcher in perovskite solar cells, including tandem designs that layer perovskites over silicon.
• Shirley Meng, a materials scientist at the University of Chicago, is an influential voice in advanced batteries and the storage technologies needed to make variable renewable power more useful.
• Yet-Ming Chiang of MIT works on electrochemical storage and co-founded Form Energy, which is developing iron-air batteries aimed at long-duration energy storage.
• Tim Latimer, co-founder of Fervo Energy, has helped bring attention to enhanced geothermal systems and their potential to supply power beyond sunny or windy hours.
• Henrik Stiesdal, a longtime wind-energy engineer and entrepreneur, has contributed to turbine technology and floating offshore wind.
• Damilola Ogunbiyi, CEO of Sustainable Energy for All, is a prominent advocate for clean-energy access and the policies and financing that can support it.

These are examples, not a ranking. Many breakthroughs come from large research teams, public labs, startups, and local energy projects; organizations such as NREL and the International Energy Agency also help shape the conversation. If you have a particular breakthrough in mind—such as a new solar-cell design or a geothermal project—the most relevant voices will be in that specialty.