Zach Helder

Senior Manager, Petersen & Company

Zach Helder

Latest Commentary

Insulating Global Hunger from Petropower Geopolitics

ANALYSIS
by Coauthors
Road tankers are filled with gasoline unloaded from ships anchored offshore and held in storage tanks at the Baniyas Oil Terminal in Tartous province, Syria, Tuesday, Sept. 29, 2026.

When Agricultural Research Is Abandoned

ANALYSIS
by Coauthors
Soil researcher Asmita Gautam, a Ph.D. candidate at Purdue University, prepares a soil sample for carbon content analysis, July 13, 2023, in West Lafayette, Ind.
All Commentary by this Expert
Back to Expert Listing