Reuters correspondent Gram Slattery is moving to its Washington bureau to cover Congress and campaigns.

He has been a Rio de Janeiro-based correspondent for Reuters specializing in the oil and gas industry, as well as white-collar crime and corruption. Slattery’s recent stories have shed light on criminal wrongdoing by some of the world’s largest commodity traders and revealed how organized crime groups have infiltrated Brazil’s largest fuel distributors.

Slattery was previously stationed in São Paulo and Santiago and has also reported extensively from Argentina and Bolivia.

He was born in Massachusetts and graduated from Harvard College.