Federal court work nearly every week these past 15 years. One company since 1987, other since 2002. My throughput is up to 8,000 words/day of survey-type translation material, less than half that for difficult stuff. I interpret conference presentations for hours at a stretch. Search for portugueseinterpreter... tradutoramericano... libertariantranslator...

For oil, gas, mining, geology, geophysics, energy engineering, agribusiness and the environment, petróleo, gás, mineração, geologia, geofísica, energia, agronegócios e ambiente: Search for braziliantranslated

Former translator association language chair and grader for 8 years, past president of AATIA, Austin, where I graduated from U. of Texas in Portuguese (easier than engineering).

I have interpreted one president, dozens of cabinet officers, innumerable professors, oilmen, engineers and agribusiness specialists--and provide photographic proof on my websites.

I look at samples and bid on jobs--no sample, no bid; I never answer blind-bid ads.
Eu olho amostra e faço proposta--sem amostra não há proposta, e não especulo às cegas.
Email on my websites, email sempre online, with e-bid forms in the USA and Brazil.
I accept credit cards by sending a PayPal invoice. Boletos bancários para pagamento no Brazil
My credentials, graphics, videos, voice samples, etc. are on my websites. Fiercely independent, I write my own agreements.