Headshot of ARPA-E Fellow Dr. Elizabeth Shoenfelt Troein
Dr. Elizabeth Shoenfelt Troein
Fellow

Dr. Elizabeth Shoenfelt Troein currently serves as an ARPA-E fellow. Her interests include advancing Negative Emissions Technologies, including accelerated geomineralization, direct carbon capture, and others.  

Headshot of ARPA-E Program Director Dr. Marina Sofos
Dr. Marina Sofos
Program Director

Dr. Marina Sofos currently serves as a Program Director at the Advanced Research Projects Agency-Energy (ARPA-E). Her focus at ARPA-E is on novel materials and manufacturing, data analytics, and advanced control methods to improve the efficiency and flexibility of buildings and transportation.

Dr. Grigorii Soloveichik
Program Director

Dr. Grigorii Soloveichik currently serves as a Program Director at the Advanced Research Projects Agency-Energy (ARPA-E). His focus at ARPA-E includes developing electrochemical processes and advanced materials for energy storage and conversion.

ARPA-E Contracting Specialist Renee Sperling
Renee Sperling
Contract Specialist

Renee Sperling currently serves as a Contract Specialist at the Advanced Research Projects Agency - Energy (ARPA-E). Sperling performs cradle-to-grave administration of a variety of financial assistance and acquisition awards. Prior to ARPA-E, Sperling provided grants administration and data analysis for Bush-Clinton Katrina Fund and United Nations Foundation.

Dr. David Tew
Program Director

Dr. David Tew currently serves as a Program Director at the Advanced Research Projects Agency – Energy (ARPA-E). His focus at ARPA-E includes combined heat and power systems, industrial processes, and transportation energy efficiency.

Headshot of ARPA-E Fellow Dr. Gregory Thiel
Dr. Gregory Thiel
Fellow

Dr. Gregory Thiel currently serves as an ARPA-E Fellow. His interests include carbon capture and utilization, industrial electrification, and waste-to-resource technologies.

Headshot of ARPA-E Tech-to-Market Advisor Max Tuttman
Max Tuttman
Technology-to-Market Advisor

Max Tuttman currently serves as a Technology-to-Market Advisor at the Advanced Research Projects Agency-Energy (ARPA-E) where he helps prepare innovative energy technologies for transition from the lab to the market. 

ARPA-E Program Director Marc von Keitz
Dr. Marc von Keitz
Program Director

Dr. Marc von Keitz currently serves as a Program Director at the Advanced Research Projects Agency-Energy (ARPA-E). His focus at ARPA-E includes biological energy conversion processes, sustainable biomass production and utilization, as well as energy-efficiency.

Headshot of ARPA-E Program Director Dr. Douglas Wicks
Dr. Douglas Wicks
Program Director

Dr. Douglas Wicks currently serves as a Program Director at the Advanced Research Projects Agency-Energy (ARPA‑E). His focus at ARPA-E is on waste-to-energy technologies. 

Donna C. Williams
Donna C. Williams
Contracting Officer

Donna C. Williams currently serves as a Contracting Officer at the Advanced Research Projects Agency – Energy (ARPA-E). As a Contracting Officer, Williams is responsible for the award and administration of financial assistance contracts in accordance with federal laws and regulations. Prior to ARPA-E, Williams served as a Contracting Officer/Team Leader within the U. S. Department of Energy’s Office of Headquarters Procurement Services.