A home for the brands we build.

Osten Welt is a small, independent group based in Atlanta. We start brands in areas we know well, build them with care, and let each one grow on its own terms.

Our brands

MARKETING AGENCY

OWD

OstenWelt Discovery

Brand strategy, identity and campaigns. Working with nonprofits and advocacy organizations since 2017.

owdiscovery.com

ENGLISH COURSES

English4B2B

Short, self-paced courses in corporate English for professionals who think in Portuguese and work in English.

english4b2b.com

PUBLISHING

The New Full

Publisher of The New Full, a bariatric memoir and practical guide. Available now on Amazon Kindle.

thenewfull.com

TRAVEL APP

InterlineConnect

A trip planner for airline employees and pass riders. It shows connection options across carriers, with tips from travelers who have made the same connection. In development for iPhone.

interlineconnect.app

How we work

Every brand here starts as a small test. We build it properly, put it in front of real customers, and keep what works.

When a brand earns its place, it becomes a business of its own. Until then, Osten Welt is the structure behind it: one company, shared tools, and the same standard of work across everything we make.

Marcio Cavalcanti, founder of Osten Welt

FOUNDER

Marcio Cavalcanti

Marcio founded Osten Welt in 2018. Born in Brazil and raised between Brazil and the United States, he works in English, Portuguese and Spanish.

He spent five years at Delta Air Lines in global sales and now leads strategic partnerships at a national disability law firm. He studied business strategy at Harvard Business School.

Get in touch

For partnerships, press or questions about any of our brands, write to marcio@ostenwelt.com.

Email us