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Our team

This is the team behind Radio Ambulante:

Daniel Alarcón

Executive Producer

circletwitterbird @DanielGAlarcon

Daniel Alarcón’s books include War by Candlelight (2005) and Lost City Radio (2007), named a Best Novel of the Year by the San Francisco Chronicle and the Washington Post. His most recent novel, At Night We Walk in Circles, was a finalist for the 2014 PEN/Faulkner Award. He is a professor of Broadcast at the Columbia University School of Journalism in New York.

Carolina Guerrero

Executive Director

circletwitterbird @nuncaduermo

Carolina is a media entrepreneur. She's passionate about solving the problem of inequality of access, and democratizing the kinds of stories being told across the region. She has worked as a promoter for cultural and social projects, creating a bridge between organizations in her native Colombia, and public and private institutions in Latin America and the United States, designing and managing festivals and art exhibits, teaching workshops and planning fundraising events. Carolina is a John S. Knight Journalism fellow 2014/2015 at Stanford University, and lives in New York City.

Camila Segura

Senior Editor

circletwitterbird @CamilaSegura

Even though Camila has spent most of her adult life in academia, after obtaining her PhD in literature from Columbia University, she realized radio was her true passion. She has been working for years as a freelance editor and translator, and now she has joined Radio Ambulante’s team where she is closer to her real interests. Currently she lives in Bogota with her husband and daughter Carmen.

Silvia Viñas


circletwitterbird @SilviaVinas

Before joining Radio Ambulante Silvia was the Latin America Regional Editor for Global Voices. She studied literature and political science and has worked as an editor and journalist. Silvia was born in Montevideo, Uruguay, from a Spanish father and a Uruguayan mother. She grew up in five Latin American countries and in Spain.

Luis Trelles


circletwitterbird @cu_bata

A journalist and filmmaker based in Puerto Rico, Luis has made documentaries for Hispanic Public Television in New York. His work as a short film screenwriter has been recognized by the Mexican Film Institute, the Puerto Rico Film Corporation and the Student Academy Awards. The Open Society Foundation recently gave him a Soros Justice Fellowship to produce a multimedia series about criminal justice in Puerto Rico.

David Trujillo


circletwitterbird @davidtru08

He was afraid of the radio, but he let himself be taken by it. After studying journalism, he began to write in different Colombian and Latin American magazines about travel, ecology, gastronomy, culture, lifestyle, science and technology. He thought of pursuing a career in the film industry, but eventually he realized he preferred staying as a spectactor. He loves asking questions and listening to answers, so journalism has become his perfect tool to move around the world. He has been living in Bogotá for the last few years.

Luis Fernando Vargas Vega

Assistant Editor

circletwitterbird @LuisVarvega

Costa Rican. As a teenager he wanted to be a philosopher, yet he became a journalist. He has written about art, music, literature, and cuisine in various Costa Rican media outlets. He reads to save himself, though he is not sure from what. His life belong to two cats, Quentin and Pelusa. He’s 20-odd years old, but many call him “Sir”: they have been very good or badly lived–the years–. He’s still undecided on that.

Andrés López

Sound Designer

circletwitterbird @Andres_Azpiri

When he was 10 years old and heard the song “Lemon Tree," he was sure he had to dedicate his life to music. When he turned 21, he spent a year in Germany playing in different venues and recording in the same studios as his childhood heroes. Once back in Mexico, he improvised his own studio that started growing once local bands chose it to produce their albums. In 2016 he remodeled the studio and El Limonero was born, where he produces and post produces audio for bands and films.

Ryan Sweikert

Sound Designer

circletwitterbird @ryansweikert

Weirdly, Ryan got his start in radio hitchhiking across the country. He took a mic and a recorder, stuck out his thumb, and went from New York to California interviewing everyone who gave him a ride. He learned how to produce audio stories at the Transom Story Workshop. He currently lives in New York, and is pursuing a masters in journalism at NYU.

Jorge Caraballo

Engagement Editor

circletwitterbird @jorgecaraballo

Jorge is a journalist and editor. He has just completed a master's degree in Media Innovation at Northeastern University thanks to a Fulbright scholarship. He is in charge of maintaining an active (and fun) conversation with the community of Radio Ambulante on social networks and designing strategies to make this relationship more collaborative. During the few moments when he is not in front of a screen, he likes to bike, do yoga, share music by Felisa (his partner) and read books on paper, that rare and mysterious format.

Ana Prieto

Fact Checker

circletwitterbird @anaprieto

Degree in Social Communications and freelance journalist, lives and works in Buenos Aires. She is the author of two non-fiction books and collaborates in several national and regional media outlets, such as Revista Ñ, Orsai, Anfibia and Univision Noticias. She is also part of the Spanish sector of International Journalists Network (IJNet). In her various fields of study, they've always called her "obse" (Argentine idiom for "obsessive"), due to her mania in checking information centimeter by centimeter.

Elsa Liliana Ulloa

Multimedia Assistant

Graphic designer from Bogota, Colombia. Worked for many years as an assistant in an array of academic publications in the faculty of economics at Colombia’s National University. She is currently in charge of making the Spanish subtitles for Radio Ambulante’s episodes.

Barbara Sawhill

Spanish Language Education Coordinator

circletwitterbird @BSawhill

Barbara has taught languages in the United States and Colombia for over 25 years. In 2013, she began to incorporate RA’s crónicas into her teaching. Barbara knows first-hand how these stories can transform teaching and learning, and is excited to help other educators experience the same. She writes about her teaching practice on her blog, Language Lab Unleashed.

Annie Correal


circletwitterbird @anniecorreal

Annie Correal is a reporter for The New York Times where she writes stories about New York City and beyond. She is a founder at Radio Ambulante and has produced radio for This American Life and NPR. She was born in Bogotá.

Martina Castro


circletwitterbird @MartinaCastro

Martina is Founder and CEO of Adonde Media, a bilingual podcast production company. After co-founding Radio Ambulante, she was senior producer and sound designer at RA for five years. Previously, she was managing editor at KALW and a producer at NPR.