Firm
Built on one idea.
New generation needs capital before it creates value. We provide it with the discipline of a bank and the patience of an owner.
Leadership
The people behind the capital.
Thomas N. ZickellChief Executive Officer
Founder and Chief Executive Officer of Pearl Street; Chief Executive Officer and cofounder of GSTJ LLC, working across energy, defense and data-center infrastructure.Read profile →Michael GoeringChief Operating Officer
Chief Operating Officer of GSTJ LLC and Chief Executive Officer of Data Power Investments.Read profile →Jonathan MandersonManaging Partner
Managing Partner of GSTJ LLC, working across transaction origination and execution.Read profile →Stephen HaasFounding Member
A founding member of GSTJ LLC and a central figure in the firm’s defense-sector work.Read profile →Stuart WeissChief Compliance Officer
Independent Chief Compliance Officer for Data Power Investments at the fund level.Read profile →Headquartered in Washington, DC.
We work close to the agencies, regulators and institutions that shape the American grid. That is where energy policy is set. It is also, fittingly, our reminder of the current that started it all.