Guest editor of special issue on cave and rock art.

Every issue of the magazine is compiled by a guest editor.

These issues are edited by a guest editor who is a specialist in their field.

He writes and has been a guest editor for Futures journal.

"We believe that this relationship did not influence the selection of Brian as guest editor," he said.

In 2007, he served as guest editor for an issue of Ploughshares.

There has been some occasions where guest editors were brought in to help develop the magazine.

Presently, each issue is thematic, and has a guest editor.

For each edition, the editorial team is also being joined by one or two guest editors.

They have regularly worked with guest editors drawn from the marketing community.