Solar Research Staff

These staff lead solar research programs at NREL.

Also, see NREL staff listings for concentrating solar power and photovoltaic research.

Photo of Mary Werner.

Mary Werner

Solar Energy Technologies Lab Program Manager

In 2015, Mary became the program manager for the Solar Program, the flagship program at the lab.

Photo of Kristen Ardani

Kristen Ardani

Chief of Staff

Kristen leads the solar market research and analysis program at NREL, focusing on efforts to reduce soft costs and transfer emerging technologies to market.

Photo of Steve Gorin.

Stephen Gorin

Laboratory Program Manager II-Partnership Development

Steve serves as the partnership lead for photovoltaic research at NREL. He develops collaborative efforts in materials science, renewable energy generation, energy efficiency, and energy systems integration.

Photo of Nancy Haegel

Nancy Haegel

Research Advisor III-Materials Science

Nancy Haegel is director of the National Center for Photovoltaics.

Photo of Joseph Simon.

Joe Simon

Researcher V-Systems Engineering

Joe leads NREL’s solar tech-to-market research. He is an experienced project manager focusing on renewable energy, event management, competition management and optimizing the built environment through sustainable, energy-efficient design, development, and analysis.