The Team

pv magazine USA consists of an advertising team and a team of editors bringing you up-to-date content about the solar photovoltaics market in the USA.

Editorial contacts


Christian Roselund

Senior Editor

Email: christian.roselund( at )

Christian joined pv magazine in 2014 and specializes in the U.S. and Latin American markets and policy, grid integration issues and upstream solar technology. Before this he covered global solar policy, markets and technology for Solar Server, and has written about renewable energy for CleanTechnica, German Energy Transition, Truthout, The Guardian (U.K.), and IEEE Spectrum.


Tim Sylvia

Editorial Intern

Email: tim.sylvia( at )

Tim Sylvia is an editorial intern at pv magazine USA. He is a senior communications major at Hood College in Frederick, Maryland. You can follow Tim on twitter @TSylviaMedia


John Weaver


Email: john.weaver( at ) 

John Fitzgerald Weaver is a solar developer; known digitally as the ‘Commercial Solar Guy.’ As a project developer and installer, he’s sold and managed 50+ solar projects, valued over $25 million, ranging in size from 5kW to 1500kW. He’s been involved in many aspects of the solar supply chain –- as a company founder, developer, project manager, manufacturer, permit runner, salesman, contractor and financier.


Editors for sister websites

Above are the editors involved in pv magazine USA. Check the other websites for editors involved in pv magazine International, pv magazine Germany, pv magazine China, pv magazine India, pv magazine Latin America and pv magazine Mexico.

Advertising contact




Matt Gallinger

Senior Manager, Business Development & Sales

Email: matt( at )
Phone: +1 518 56 00 179


Andrea Jeremias

Chief Sales Officer

Email: jeremias( at )
Phone: +49 30 213 005 023
Mobile: +49 175 22 48 904


Marina Ramain

Senior Manager, Marketing & Events

Email: marina.ramain( at )
Phone: +49 30 213 005 029
Mobile: +49 152 020 67  924


Francesco Tedesco

Sales Manager (Italy)

Email: fr.tedesco( at )
Mobile: +39 328 939 24 50

Julia Wolters

Sales Manager

Email: julia.wolters( at )
Phone: +49 30 213 005 028
Mobile: +49 175 290 44 01


Rachel Sorenson

Sales Manager (Spain & Latin America)

Email: rachel.sorenson( at )
Phone: +49 30 213 005 039
Mobile: +49 172 243 75 82



Calvin Chong

Sales Manager (Asia)

Hong Kong office

Email: calvin( at )
Mobile/Wechat: +852 97 32 8266
Skype: calvinchong26


Noriko Ishii

Sales Contact (Japan)

Email: japan( at )
Phone: +49 30 213 00 50 24


Advertise with us

pv magazine USA is the premier way for you to get your brand’s message to key figures in the U.S. solar market. Learn more about your options for advertising with us.

This page was last updated on September 13, 2019.