Most of these periodicals are also online. And there, you can often find links to useful sites. This person's job will be to match up the mission with the technology to enhance and support it. I have a solution. Go back to high school.
High schools are full of bright, tech-savvy kids.
In some school districts, they have to have a certain number of community service hours to graduate. All you have to do is become an Amazon Associate. One suggestion is to add a page at your site listing books that relate to your cause. The site will even provide you a choice of graphics to use. MORE, much more, information than is possible in your printed materials.